电气自动化专业英语6-8
电气自动化专业英语
Unit 10
English for Automation
Unit 1
Reading A
The main components used in electronics are of two general types: passive (e.g. resistors and capacitors) and active (e.g. transistors and integrated circuits). The main difference between active and passive components is that active ones require to be powered in some way to make them work.
English for Automation
Unit 1
Two wires are connected to opposite ends of the resistor (Figure 1-2). When we apply a potential difference between the wires we set up a current from one wire to the other, through the resistor. The size of the current is proportional to the difference in voltage between the wires. The resistance (in units of Ohms) is defined as the ratio of the applied voltage, V (in Volts), divided by the current, I (in Amps), produced by the applied voltage.
常用电气自动化专业英语词汇
常用电气自动化专业英语词汇电流 current电压 voltage功率 power频率 frequency电阻 resistance电容 capacitance电抗 reactance电阻率 resistivity阻抗 impedance相，相位 phase有功功率 active power无功功率 reactive power视在功率 apparent power装设功率 installed power安培 ampere (A)伏 volt (V)欧姆 ohm赫兹 hertz (HZ)瓦 watt (W)供电局 power supply authority电力公司 power supplycompany发电厂 power plant变电所 substation配电站 distribution substation配变电站 transformer station终端变电站 terminal substation车间变电站 substation in workshop :室内变电站 indoor substation自动变电站 automatic substation成套变电站 unit substation高压室 H.T room低压室 L.T room变压器室 transformer room变压器平台 transformer platform柴油发电机室 diesel generator room 控制室 control room蓄电池室 battery room维修间 maintenance room值班室 duty room休息室 rest room电容器室 condenser room充电室 battery --charging room室外储油罐 outdoor oil tank地下油罐 underground oiltank日用油箱 day tank负荷 load一类负荷 first-class load二类负荷 second-class load三类负荷 third-class load照明负荷 lighting load动力负荷 power load电阻负荷 resistance load电抗负荷 reactive load冲击负荷 shock load空载 non -load有载 on-load满载 full -load过载 over -load不平衡负荷 unbalanced load平衡负荷 balanced load额定负载 nominal load负荷计算 load circulation功率因数 power factor同时使用系数 diversity factor需要系数法 demand factor method利用系数法 utilization factor method二项式法 binomial method无功功率补偿 reactive powercompensation自然功率因数 natural power factor补偿后功率因数 power factorafter compensating 高压补偿 compensating inH.T side低压补偿 compensating in L.T side负荷率 load rate补偿容量 compensating capacity设备装设容量 installed capacity备用容量 standby capacity额定容量 rated capacity视在容量 apparent capacity计算容量 calculated capacity短路容量 short circuit capacity负荷计算表 load calculation table电压 voltage高压 high tension(H.T)低压 low tension (L.T)冲击电压 impulse voltage临界电压 critical voltage残余电压 residual voltage击穿电压 breakdown voltage供电电压 supply voltage照明电压 lighting voltage工作电压 working voltage额定电压 rated voltage相电压 phase voltage线电压 line voltage过压 over--voltage欠压 under--voltage电压降 voltage drop电压损失 voltage loss电压偏移 voltage deviation电压波动 voltage variation电压标准 voltage standard电压等级 voltage class电压调整率 voltage regulation rate电流 current交流 alternating current (A.C)直流 direct current (D.C)短路电流 short--circuit短路点 short circuitpoint三相短路电流 three-phase short-circuit current 两相短路电流 two-phase short-circuit current 单相短路电流 single--phase short-circuit current 短路电阻 short-circuit resistance短路电压 short-circuit voltage短路电抗 short-circuit reactance短路容量 short-circuit capacity短路稳定性 short-circuit stability短路冲击电流 short-circuitimpulse current热效应 thermal effect稳定短路电流 steady stateshort-circuit current切断电流 cut-off current整定电流 setting current动作电流 action current额定电流 rated current,nominal current熔体电流 melt current熔丝电流 fuse current故障电流 fault current极限电流 limiting current过电流 over--current有效值 virtual value,effective value电源，供电方式 power andsupply system工作电源 working powersource操作电源 operating powersource备用电源 standby source应急电源 emergency source常用电源 normal source供电电压 supply voltage双回路供电 two-feeder supply两个独立电源 two independentpower supply放射式 radial system单回路放射式 one-circuitradial system双回路放射式 two-circuitradial system有公用备用干线的放射式radial systemwith public standby main line树干式 trunk system单回路树干式 one-circuittrunk system单侧供电双回路树干式 two-circuittrunk system with one-side power supply双侧供电单回路树干式 one-circuit trunk system with two-sidepowersupply双侧供电双回路树干式 two-circuittrunk system with two-side power supply环式 ring system链式 chain system变压器—干线式 transformer-main line systemTN系统 TNsystemTN—S系统 TN-S systemTN—C 系统 TN-C systemTN—C—S系统 TN-C-S systemTT 系统 TTsystem单相二线制 1-phase 2-wire system三相四线制 3-phase 4-wire system三相五线制 3-phase 5-wire system保护线 protective earth (PE)中性线（N线） neutral分列运行 independent operation并列运行 parallel operation无载运行 non-load operation变压器 transformer三相变压器 three-phase transformer油浸变压器 oil-immersed transformer自冷变压器 self-cooling transformer铜线变压器 copper-coil transformer铝线变压器 aluminum-coil transformer有载调压的变压器 on-loadregulating transformer可调变压器 variable transformer全封闭的变压器 fully-enclosed transformer干式变压器 dry transformer单相变压器 single-phase transformer防雷变压器 lightning-proof transformer环氧浇注变压器 epoxy-resin filled transformer电力变压器 power transformer低损耗变压器 low losstransformer照明变压器 lighting transformer控制变压器 control transformer三相油浸自冷式铝线低损耗有调压电力变压器3-phase oil-immersed self-cooling andlow-loss aluminum-coil powertransformer变压器系数 transformer factor调压器 voltage regulator稳压器 stabilizer减压器 reducer整流器 rectifier限流器 current limiter不停电电源 uninterrupted power supply (UPS)变阻器 rheostat电阻器 resister自动功率调整器 automatic powerregulator电压互感器 voltage transformer电流互感器 current transformer降压变压器 step-down transformer自动调压器 automatic regulator高频变压器 high-frequency transformer降压器 step-down transformer升压器 step-up transformer编号 code型号 type用途 function二次接线图号 secondarywiring drawing No.外形尺寸 overall dimension一次主要设备 preliminary main equipment辅助设备 auxiliary equipment进线 incoming line出线 outgoing line规格 specification数量 quantity高压电器 H.T equipment高压配电柜 H.T distribution cabinet高压开关柜 H.T switchgear手车式高压开关柜 draw—out type H.T switchgear户内交流金属铠装移动式开关柜indoor A.C armored movable switchgear高压无功功率补偿装置H.T reactive power compensator高压静电电容器柜H.T electrostatic capacitor cabinet大功率并联电容无功功率补偿high power parallel capacitor reactive powercompensating 高压断路器H.T circuit breaker少油断路器 minimum oil circuit breaker油断路器 oil circuitbreaker真空断路器 vacuum circuit breaker空气断路器 air circuit breaker六氟化硫断路器 sulfurhexaflouride breaker (SF6 breaker)户内式 indoor (type)户外式 outdoor (type)电磁式 electromagnetic产气式 aerogenic高压接触器 H.T contactor高压真空接触器 H.T vacuumcontactor高压负荷开关 H.T loadswitch高压隔离开关 H.T isolator操动机构 control mechanism手动操动机构 hand controlmechanism电磁操动机构 magnetic control mechanism弹簧储能操动机构(energystoring) spring operating mechanism电动操动机构 motor drivedoperating mechanism高压熔断器 H.T fuse跌落式熔断器 drop—out fuse高压电抗器 H.T reactor串联电抗器 series reactor高压互感器 H.T transformer移相电容器 phase—shift capacitor低压配电装置 L.T distributordevice低压配电屏 L.T distribution panel低压无功功率补偿装置 L.T reactive power compensator抽屉式低压配电屏 drawable L.Tdistribution panel电动机控制中心 motor controlcenter (MCC)固定式低压配电屏 fixed L.Tdistribution panel低压静电电容器屏 L.Telectrostatic capacitor panel出线屏 outgoing panel进线屏 incoming panel联络屏 connection panel计量屏 measurement panel动力馈电屏 power feeder panel照明馈电屏 lighting feeder panel控制柜 control cabinet配电箱 distribution cabinet总配电箱 generaldistribution box动力配电箱 power distribution box照明配电箱 lighting distribution box插座箱 socket box电度表箱 kilowatt-hour meter box非标准控制箱，柜，台non-standard control box, cabinet, desk电源切换箱 power change-over box开关 switch总开关 master switch主开关 main switch刀开关 knife switch负荷开关 load switch开启式开关 open switch封闭式开关 closed switch组合开关 combination switch自动空气断路器 automatic airbreaker框架式 skeleton type塑料外壳式断路器 moulded casecircuit breaker (MCCB)行程开关 position switch微动开关 microswitch万能转换开关 universal switch分级转换开关 stepping switch换相开关 phase converter防爆开关 explosion proof switch漏电保护开关 leakage protection switch三向开关 three—way switch轻载开关 underload switch压力开关 pressure switch单刀双掷开关 single-poledouble throw switch接触器 contactor交流接触器 A.C contactor直流接触器 D.C contactor消弧接触器 arc extinction contactor起动器 starter电磁起动器 electromagnetic starter磁力起动器 magnetic starter自动空气式星三角起动器 automatic airstar-delta starter 减压起动器 voltage reducing starter起动控制箱 starting controler低压熔断器 L.T fuse螺旋式熔断器 screw fuse快速熔断器 quick fuse瓷插式熔断器 plug-in fuse继电器 relay电流继电器 current relay电压继电器 voltage relay过电流继电器 over-current relay信号继电器 signal relay时间继电器 timing relay中间继电器 intermediate relay漏电继电器 leakage relay欠压继电器 under-voltage relay绝缘监视继合器 insulation detection relay交流电度表 A.C kilowatt hour meter单相电度表 single-phase kilowatt hour meter三相电度表 three-phasekilowatt hour meter无功电度表 reactivekilovolt ampere-hour meter无功功率表 reactive power meter有功功率表 active power meter电流表 ammeter, current meter电压表 voltmeter万用电表 universal meter绝缘检查电压表 insulationcheck voltage meter 功率因数表 power factor meter多相电度表 polyphase meter电力定量器电机 electrical machine同步的 synchronous异步的 asynchronous电动机 motor发电机 generator转子 rotor定子 stator柴油发电机（组） dieselgenerator (set)电动发电机（组） motor generator(set)感应电动机 induction motor鼠笼式感应电动机 squirrel cageinduction motor 绕线式电动机 wound-rotor induction motor滑环式电动机 slip-ring motor起动电动机 starting motor; actuating motor自激电动机 motor with self excitation同步器 synchronizer励磁机 exciter伺服电动机 service motor插接装置 plug device插头 plug螺口插座 screw socket卡口插座 bayonet socket插座 socket; outlet单相二极插头 1-phase 2-poleplug三相插头 3-phase plug单相插座 single phase socket三相四极插座 3-phase 4-polesocket接线柱 binding post接头 adapter接线板 terminal block接线盒 terminal box;junction box接线箱 connection box;junction box 线路及安装 line and installation线，线路 line andcircuit高压线路 H.T line输电线路 transmission line电源进线 incoming line出线 outgoing line馈线 feeder供电干线 main supplyline; supply main 低压线路 L.T line电力干线 main power line照明干线 main lighting line支线 branch line电力支线 power branchline照明支线 lighting branchline封闭式母线 enclosed bus--bar接插式母线 plug-in bus--bar接地母线 earth line中性线，零线 neutral应急照明线 emergency lighting line联络线 liaison line滑触线 trolley line埋地线 underground line明线 open wire暗线 concealed wire明线布线 open wiring暗线布线 concealed wiring通信线路 communication line 架空线路 overhead line架空干线 overhead main电缆线路 cable line电缆沟 cable trench电缆桥架 cable bridge电缆托架 cable tray电缆槽 cable duct墙式电缆槽 wall duct导线 conductor andcable裸导线 bare conductor铝线 aluminum conductor铜芯线 copper core cable电缆 cable馈电电缆 feed cable电力电缆 power cable照明电缆 lighting cable通信电缆 communication cable 控制电缆 control cable信号电缆 signal cable实心电缆 solid cable同轴电缆 coaxial cable单芯电缆 single-core cable双股电缆 paired cable高压电缆 H.T cable低压电缆 L.T cable绝缘电缆 insulated cable屏蔽电缆 shielded cable护套电缆 sheathed cable铜芯电缆 copper corecable铠装电缆 armored cable铅包电缆 lead-covered cable油浸电缆 oil-immersed cable漆包电缆 lacquer-cover cable纸绝缘电缆 paper-insulated cable橡皮绝缘电缆 rubber-insulated cable塑料绝缘电缆 plastic-insulate cable绕扎电缆 wrapped cable聚乙烯 polyethylene, polythene聚氯乙烯绝缘电缆 polyvinylchloride (PVC) cable交联聚乙烯绝缘电缆 x-linked polyethylene (XLPE) cable乙烯绝缘软性电缆 vinyl cabtyre cable阻燃铜芯塑料绝缘电线flame retardant copper core plasticinsulated wire交联聚乙烯绝缘钢带铠装聚氯乙烯护套电力电缆x—linked polythene insulated steel tapearmored PVC sheathed power cable韧性橡皮绝缘电缆 tough-rubbersheathed cable地下电缆 ground cable架空电缆 overhead cable软电缆 flexible cable电缆隧道 cable tunnel电缆隧道口 cable tunnel exit电缆井 cable pit电缆人孔 cable manhole电缆夹 cable cleat电缆分线箱 cable junction box 电缆箱，分线盒 cable cabinet电缆接线头 cable plug电缆终端盒，电缆接头电缆吊架，电缆吊杆 cable hanger 电缆桥架 cable bridge埋深 buried depth安装 installation安装高度 installation height电杆长度 pole length线间距离 distance between lines 跨度 span弧垂 sag交叉点 crossing point架空引出 over-head leading out 落地安装 installed onground嵌装在墙上 built in wall挂墙安装 suspended onwall明装 surface mounted嵌装 flush mounted暗装 conceal mounted架空引入 over-head leading-in 敷设 laying明敷 exposed laying暗敷 concealed laying埋地敷设 led underground 由……引来 (led) from引至 (led) to直埋 buried directlyunderground穿钢管敷设 laid in steelconduit引上 led-up引下 led--down沿……敷设 run along沿墙 along wall沿梁 along beam跨柱 across column弯曲半径 bending radius抽头 tap-off电缆终端头 cable termination joint试验，维护 test, maintenance试车 test run,commission整定 setting修理 repair验收 acceptance故障 fault停电 power cut,power failure校正 correct停机 stop定期检修 periodic maintenance继电保护 relaying保护 protection保护配置 protection disposition电流速断保护 current quick-breaking protection 过电流保护 over-current protection纵联差动保护 tandem differential protection过载保护 over-load protection距离保护 distance protection功率方向保护 directional power protection 继电器 relay逆流继电器 reverse-current relay阻抗继电器 impedance relay低周率继电器 low frequencyrelay重合闸继电器 reclosing relay定向继电器 directional relay瞬动继电器 instantaneous relay辅助继电器 auxiliary relay差周率继电器 difference frequency relay 极化继电器 polarized relay合闸位置继电器 closing position relay整定 setting整定值 set value整定范围 setting range时限 time lag反时限 inverse time定时限 definite time定时反时限 definite inverse time变时限 dependent time死区 dead zone保护范围 protection range动作 action动作时间 action time,actuating time动作范围 action range延时 delay切换 switchover瞬时动作 instantaneous action复位 reset直流操作 D.C operation交流操作 A.C operation操作电压 control voltage合闸 switch on跳闸 trip off接通 switch-in, close-up备用电源自动投入automaticswitch-on of standby power supply自动重合闸 automatic reclosing脱扣线圈 tripping coil电流脱扣，串联脱扣 series tripping电压脱扣，并联脱扣 shunt tripping起动 start停止 stop按钮 push button断开，切断 break, cut off直接起动 direct starting延时速断 delay quickbreaking保护跳闸 protecting tripping防跳 tripping prevent跳闸指示灯 trippingindicating lamp合闸回路 closing circuit超温报警 overtemperature alarming防雷，接地 lightningprotection and earthing雷击 lightning stroke雷害 lightning disturbance雷电闪络 lightning flash over雷电过电，雷涌 lightning surge直击雷 direct stroke侧击雷 side stroke感应雷 induction stroke雷暴 thunderstorm雷电日 thunder day雷电日数 number oflightning days雷电或然率 lightning probability触电 electric shock静电感应 electrostatic induction放电 electric discharge间隙 gap电火花 spark电弧 arc漏电 leakage漏电路径 leakage path避雷装置 lightning protector避雷针 lightning rod,lightning conductor避雷带 lightning belt避雷网 lightning-protection net避雷针支架 lightning rodsupport避雷针基础 lightning rodbase避雷器 arrester球形避雷 spherical arrester管式避雷 tubular arrester阀式避雷器 auto-valve arrester角式避雷器 horn arrester多隙避雷器 multigap arrester金属氧化物避雷器 metal-oxide arrester铅避雷器 aluminum arrester氧化膜避雷器 oxide filmarrester磁吹避雷器 magnetic blow-out arrester磁吹阀式避雷器 magneticblow-out valve type arrester 防雷工程 lightning protection engineering均压网 voltagebalancing net保护和接地 protection and earthing保护范围 protection range保护高度 protection height保护半径 protection radius保护角 protection angle防雷分类 classificationof lightning protection 一类防雷区 first classprotection接地 earthing接地电阻 earth resistance接地电阻表 earth tester防雷接地 earthing forlightning protection人工接地 artificial earthing工作接地 working earthing保护接地 protective earthing保护地 protective earth信号地 signal earth重复接地 re-earthing中性点接地 neutral point earthing屏蔽接地 shielding earthing接地系统 earthing system接地故障 earth fault暗接地线 concealed earth line暗检测点 concealed checkpoint接地装置 earthing device接地开关 earthing switch接地火花避雷器 earthing arrester接地母线 earth bus接地线 earth conductor接地极 earth electrode引下线 led-down conductor断接卡 disconnector接地干线 ground bus垂直接地极 vertical electrode水平接地极 horizontal electrode降阻剂 resistance reducer利用主筋作引下线mainreinforcing bar used as down-led conductor利用铁爬梯作引下线 iron ladderused as down-led conductor 接地线引入处 entrance ofearth wire自然接地体 natural grounding基础接地体 foundation grounding接零保护 neutral protection保护接零 protective neutralization接零干线 neutral main利用电线管作零线 conduit used asneutral line零线，接地线 neutral line(conductor)零线，中性线 neutral line(conductor)带电金属外壳 currentcarrying metallic case不带电金属外壳 non-currentcarrying metallic case材料 material金属 metal镀锌 zinc plating ,galvanization镀铂 platinum plating镀钠 cadmium plating镀铬 chromium plating镀镍 nickel plating镀锡 tin plating镀锌板 galvanized sheet镀锌层 zinc coat镀锌钢板 galvanized steel plate 镀锌扁钢 galvanized flatsteel镀锌角钢 galvanized angle steel 镀锌圆钢 galvanizedround steel 镀锌钢管 galvanized steel pipe 镀锌槽钢 galvanizedchannel steel 硬塑料管 hard plastic pipe绝缘材料 insulating materials绝缘包布 insulating tape填充 filling填料 filler, fillingmaterial电缆膏 cable compound绝缘膏 insulating compound膏 compound漆 lacquer, paint清漆 varnish搪瓷 enamel; porcelain enamel 沥青 bitumen; asphalt云母 mica环氧树脂 epoxy resin腊 wax石膏 gypsum石棉asbestos电木，酚醛塑料 bakelite玻璃纤维 glass fiber橡皮 rubber辅件 auxiliaries支架 support电缆夹具 cable cleal电缆接头 cable spice电缆套 cable box电缆铠装 cable armouring接地螺栓 earthing bolt百叶窗 louvres隔板 closure, partition隔热板 heat shield法兰，垫圈 flange镀锌螺母 galvanized nut螺钉 screw, nail螺栓 bolt垫块 bearer垫木 skid垫片 gasket, spacer垫圈 washer; (ring )gasket吊钩 hanging hook轨 rail照明 lighting人工照明 artificial lighting工作照明 working lighting直接照明 direct lighting间接照明 indirect lighting局部照明 local lighting;spot lighting 移动照明 portable lighting应急照明 emergency lighting疏散照明 egress lighting值班照明 duty lighting警卫照明 guard lighting障碍照明 obstacle lighting正常照明 normal lighting舞台照明 stage lighting走道照明 corridor lighting盘面照明 dial lighting楼梯照明 staircase lighting剧场照明 theater lighting室内照明 indoor lighting室外照明 outdoor lighting道路照明 road lighting广场照明 plaza lighting街道照明 street lighting照明方式 lighting pattern一般照明 general lighting辅助照明 supplementary lighting 大面积照明 area lighting大面积泛光照明 area flood lighting 逆光照明 back lighting漫散照明 diffuse lighting橱窗照明 shop windowlighting。
电气专业英语
电气自动化专业英语abbreviate 缩写，缩写为abscissa axis 横坐标absolute encoder 绝对编码器ac squirrel cage induction motor 交流笼型感应电动机ac motor 交流环电动机academic 纯理论的accelerometer 加速度测量仪accommodate 适应accutrol 控制器acoustic wave 声波active 有源的active region 动态区域active filter 有源滤波器active component 有功分量active in respect to 相对….呈阻性active(passive) circuit elements 有(无)源电路元件actuate 激励，驱动actuator 执行机构actuator 执行器adjacent 临近的,接近的adjacent 相邻的，邻近的Adjustable-voltage inverter 电压型逆变器admittance 导纳advent 出现air gap 气隙aircraft 飞机air-gap flux 气隙磁通air-gap line 气隙磁化线air-gap flux distribution 气隙磁通分布algebraic 代数的algebraic 代数的algebraical 代数的algorithm 算法algorithmic 算法的align 调整，校准allowable temperature rise 允许温升alloy 合金allude 暗指，直接提到alnico 铝镍钴合金alphabet 字母表alternating current, AC 交流aluminum 铝ambient 环境的ambiguity 模棱两可Ammeter 安培计、电流表ammeter 电流表ampere-turns 安匝(数)amplidyne 微场扩流发电机amplification 扩大Amplitude Modulation AM调幅analog electronics 电力电子学analog-to-digital conversion, ADC 模数转换器analytical 解析的analytical 分析的，分解的angular 角的anode 阳极、正极antenna 天线aptly 适当地，适宜地arbitration 仲裁，公断arc welding 电弧焊armature 电枢armature coil 电枢线圈armature m.m.f wave 电枢磁势波armature 衔铁armature 电枢armature circuit 电枢电路arrangement 结构as a rule of thumb 根据经验asynchronous machine 异步电机attenuate 衰减audio 音频的automatic station 无人值守电站automatic oscillograph 自动示波器automatic Voltage regulator(AVR) 自动电压调整器automobile 汽车automobile starter motor 汽车启动机autonomic 自治的autonomous 匿名的autotransformer 自耦变压器auxiliary 辅助的auxiliary motor 辅助电动机auxiliary 辅助的backlash 啮合间隙，齿隙ballast 镇流器bandwidth 带宽bar code reader 条码阅读器base 基极bearing 轴承bellows 膜盒bilateral circuit 双向电路bimotored 双马达的binary 二进制binary-coded decimal BCDbiphase 双相的bipolar junction transistor(BJT 双极性晶体管bistable circuit 双稳电路blend 混合，调和，配料block diagram 方框图blow (保险丝)烧断bode plot 波特图bolt 螺栓boost 增压boost-buck 升压去磁boredom 讨厌，无趣braking 制动branch circuit 直路breakaway force 起步阻力breakdown 击穿breakdown torque 极限转矩bronze 青铜brush 电刷brute 僵化的buck 补偿bushing 套管bushing 高压套bypass 旁路by-product 副产品calibrate 校正calibration 校准，标定，刻度calibration 标定，标准化call for 需要cam 凸轮cantilever 悬臂capability 容量capacitance effect 电容效应capacitor 电容器capacitor 电容器capacity 容量capsule 封装carbon 碳carbon-filament lamp 碳丝灯泡carrier 载波Cartesian coordinates 笛卡儿坐标系cartridge 盒式保险丝cast-aluminum rotor 铸铝转子cathode 阴极cease 停止，终了centimeter 厘米centrifugal 离心的，离心力centrifugal force 离心力ceramic 陶瓷的chamber 室，腔chao 混乱checksum 检查和chopper circuit 斩波电路circuit components 电路元件circuit parameters 电路参数circuit diagram 电路图circuit branch 支路circuitry 电路，线路circumference 圆周circumnavigate 饶过clamp 夹住，夹紧clamp 夹，钳classic 古典的，经典的，传统的clearance 间隙client-server 客户-服务器client-server model 客户服务器模型clinker-cooler 熟料冷却器closed-loop 闭环■coast 跟踪惯性coaxial 共轴的,同轴的cogging 齿槽效应coil winding 线圈绕组coils 线圈、绕组coincide in phase with 与….同相coincidence 一致，相等collector 集电极]collector 集电极commutation 换向commutation condition 换向状况commutator 换向器commutator 换向器commutator-brush combination 换向器-电刷总线compatible 兼容的complement 补码complex impedance 复数阻抗complex number 复数compound 紧密、结合compound generator 复励发电机compounded 复励compound-wound 复励condominium (国际)共官conductance 电导conductor 导体conduit 导线，导线管cone pulley 塔轮，快慢轮configuration 组态connection 接线端constraint 强制，约束contact 触点contactor 接触器contiguous 邻近的conveyance 运输工具conveyor 传送机copper bar 铜导条copper end rings 铜端环core 铁心corona 电晕,放电corridor 通路corridor 通道，走廊corrosion 腐蚀cost-effective 花费大的counter emf 反电势counter electromotive force、CEMF 反电势counteract 抵抗，抵消，消除counterclockwise 逆时针counterpart 对应物coupling capacitor 结合电容creep 蠕动criteria 标准，判据crude 不精细的，粗略的crystal 晶体crystal 晶体的，水晶，晶体cubicle 立方体culminate 达到极值点culprit 犯罪者cumulative compound 积复励cumulatively compounded motor 积复励电动机Current source inverter 电流型逆变器cutoff 截止,关闭Cyclic Redundancy Check 循环冗余检查cylindrical 圆柱式的damper 减速器dashpot relay 油壶式继电器dashpot 阻尼器DC link 直流环节dc generator 直流发电机dc motor 直流电动机de machine 直流电机decouple 解耦，去除干扰deenergize 不给…通电deflection 挠度、挠曲demagnetization 退磁，去磁demodulation 解调demodulator 解调器demystify 阐明denominator 分母depict 描绘、描写depict 描述depress 压下derivative 导数derive 推倒deteriorate 使….恶化deterioration 损坏,磨损deterioration 变化，降低品质deviation 偏差dial 刻度盘dial 刻度盘，调节控制盘diameter 直径diaphragm 震动膜diaphragm 膜片，挡板diaphragm 膜片diaphragm 膜，隔板dictate 确定differential compound 差复励differential pressure transducer 差压变送器differential equation 微分方程differentiation 微分diode 二极管direct axis 直轴direct axis transient time constant 直轴瞬变时间常数direct-current 直流discrete 离散的displacement 位移displacement current 位移电流dissipate 散发dissipate 浪费distillation 蒸馏distributed system 分布式系统distribution 分配，配电doubly excited 双边励磁drill 钻床due 应得到的dungen 地牢dwelling 住房dynamic response 动态响应dynamic braking 能耗制动dynamic-state operation 动态运行dynamometer 测力计，功率计e.m.f=electromotive fore 电动势eddy 涡流eddy current braking 涡流制动eddy current 涡流effective values 有效值effects of saturation 饱和效应elapse 时间(流逝)elapse 过去，消逝elbow 弯头electric energy 电能electrical stressing 电气应力electrical device 电气设备electrode 电极电焊条electrodynamometer 电测力计electro-hydraulic 电动液压的electrolytic 电解的electromagnetic torque 电磁转矩electromagnetic interference 电磁干扰electromechanical 机电的electronic mail 电子邮件electro-pneumatic 电动气动的elusive 难以捉摸的emitter 发射极emitter 发射管放射器、发射极enclosure 外(机)壳enclosure 机壳enclosure 设备外壳encode 编码encoder 编码器end ring 端环energize 励磁energy converter 电能转换器entity 实体enumerate 列举envision 预见epoch angle 初相角equilibria 平衡equilibrium level 平均值equivalent T–circuit T型等值电路equivalent circuit 等效电路error signal 误差信号error detector 误差检测器error 误差，偏差escalation 升级，提高establishment 组织，部门etiquette 规则excitation system 励磁系统excited by 励磁exciting voltage 励磁电压expedite 加速expel 排出，放出expire 期满,终止exponential 指数external armature circuit 电枢外电路external characteristic 外特性extruded 型材的fabricate 制造faithful 正确的，可靠的fallout 余波，附带结果fasten 固定，连接feasible 可行的feedback system 反馈系统feedback loop 反馈回路feedback 反馈feedback component 反馈元件feedback signal 反馈信号feeder 馈电线，电源线，馈电板feedforward 前馈felt 毡ferromagnetic 铁磁的fidelity 保真度fidelity 重现精度，真实，正确field winding 磁场绕组、励磁绕组field coils 励磁线圈field current 励磁电流field effect transistor(FET) 场效应管field pole 磁极figure of merit 品质因数，优值filter 滤波器fin 飞边fixture 设备，装置]flicker 闪烁，摇曳flip-flop 触发器fluctuation 升降剥动，不规则的变化fluorescent 荧光的，有荧光性的flux density 磁通密度flux linkage 磁链flux per pole 每极磁通forced commutation 强迫换流forced-draft 强制通风forging 锻造form-wound 模绕forward transfer function 正向传递函数forward 转发fraction 分数frame 机座，机壳frequency 频率frequency- domain 频域Frequency Shift Keying(FSK) 移频键控friction 摩擦full load 满载full-duplex 全双工full-load torque 满载转矩furnace 炉fuse 保险丝、熔丝fuse 熔断器，保险丝fuse 熔断器gain 增益gamut 全体，整体gear 齿轮、传动装置general-purpose relay 通用继电器generating 发电generator 发电机generator 发电机generator voltage 发电机电压Geometrical position 几何位置geometry 几何结构glitch 同步glue 胶合，粘贴goggles 护目镜，潜水镜graphite 石墨grinder 磨床grossly 大概，大体上的ground-fault protector (GFP)ground-fault circuit interrupter(GFCI) 接地故障保护器，接地故障断路器gyroscope 陀螺仪half-duplex 半双工hand-wheel 手轮，驾驶盘，操纵盘hardwired 硬接线的harmonic 谐波的havoc 大破坏hazard 危险hazardous 危险的heat sink 散热器heating appliance 电热器hierarchy 阶梯，等级high-gain 高增益high-pass filter 高通滤波器high-performance 高性能的high-volume 大容量hitherto 迄今,至今hockey puck 冰球hoist 起重机horsepower 马力horsepower 马力horseshoe magnet 马蹄形磁铁host 主机humidity 湿度hydraulic 液压传动hydraulic 液力的hydraulic 液压的，液压传动装置hydropower station 水电站hysteresis 磁滞ideal source 理想电源ideological 思想的imaginary part 虚部immunity 抗扰性impedance 阻抗impulse 推动力in parallel with 并联in series with 串联in terms of 根据，在……方面in the vicinity of 在…附近，在…左右in(inch,inches) 英寸incident 入射的increment encoder 增量编码器indicating needle 仪表、指针indispensable 必需的，必不可少的induced current 感生电流induced-draft fan 吸风机induction generator 感应发电机induction coupling 感应耦合induction machine 感应式电机induction machine 感应电机induction motor 感应电动机induction motor 感应电动机induction-disc relay 感应圆盘式继电器inductive component 感性(无功)分量inertia 惯性inertial 惯性的，惯量的inference 干扰infinite voltage gain 无穷大电压增益infrastructure 基础，底层结构inherent 固有的inhibit 禁止initiate 引起，促进injection molding 注模inrush current 涌流instantaneous electric power 瞬时电功率instantaneous mechanical power 瞬时机械功率instruction set 指令集insulation 绝缘insulation 绝缘insulation 绝缘insulator string 绝缘子串intake 吸入integrate 求…的积分integrated circuit 集成电路integration 积分下限integration 积分interactive 交互式interconnection 相互连接interface 接口interface data unit 接口数据单元interfere with 有害于... internal resistance 内阻interoffice 局间的interrupter 断续(流、电、路)器intimately 密切地intimately 紧密地，直接的inventory 存货，清单inventory 存货inverse 倒数inverse time relay 反时限继电器inversion 反相,反转inverting amplifier 反向放大器iron-loss 铁损isolation 隔离、分离、绝缘、隔振isolation transformer 隔离变压器jerk 振动，冲击jog 啮合joint 关节，铰链keyway 键槽killer 迷人的kiln 炉kinematic 运动的，运动学的knob 旋钮、圆形把手knob 钮，圆形把手lable 为……标号lagging(trailing) edge 下降沿laminate 叠制，叠压laminated core 叠片铁芯lamination 叠片latch circuit 锁存电路latching relay 自锁继电器lathe 车床launcher 发生器，启动装置laundry 洗衣房leading edge 上升沿leakage 漏电流leakage reactance 漏磁电抗leakage flux 漏磁通leakage current 漏电流leakage 泄漏left-hand rule 左手定则lever 杆,杠杆lever 手柄，控制杆liable 有责任的light emitting diode 发光二极管light-dimmer 调光lightning shielding 避雷lightning arrester 避雷装置limit switch 限位开关limiter 限幅器line 线电压line trap 限波器linear zone 线性区line-to-neutral 线与中性点间的link 连杆live conductor 带电导体load characteristic 负载特性load-saturation curve 负载饱和曲线locked-rotor 锁定转子locked-rotor torque 锁定转子转矩longitudinal 经度了；纵向的long-shunt 长复励loss 损耗low-pass filter 低通滤波器lubricant 润滑剂、润滑油lubrication 润滑，注油magnetic torque 电磁转矩magnetic amplifier 磁放大器magnetic circuit 磁路magnetic field 磁场magnetic flux 磁通magnetization curve 磁化曲线magnetizing current 磁化电流，励磁电流magnetizing reacance 磁化电抗magneto 磁发电机magnitude 振幅maintenance 维护malfunction 故障manipulations 操作，控制，处理manipulator 机械手，操作器manual control 手动控制margin 余量，裕度mass 物质，块，堆mass-produce 大量生产mature 成熟的means 手段，工具measurand 被测量，被测量对象mechanical rectifier 机械式整流器mechanical stressing 机械应力mechanical rectifier 机械式换向器Megohmmeter 兆欧表merit 优点，长处，指标metallic 金属的meticulous 详细的micrometer 千分尺mid-frequency band 中频带milliammeter 毫安表milling machine 铣床mine minder 矿坑卷扬机mismatch 失配moderate 适度的，适中的modulation 调制modulator 调制器modulus 模moisture 潮湿、湿气moisture 潮气，湿度molecule 分子morally 道德上，道义上motoring 电动机驱动mount 安装multimeter 万用表multiple axis drive 多轴驱动multiplexer 多路转换器mutual flux 交互(主)磁通mutual-inductor 互感narrowband filter 带通滤波器neutral 中性的nevertheless 然而newsgroup 新闻组no load 空载no-load 空载nomenclature 术语nominally 标称nonetheless，none the less 仍然，依然nonvolatile 非挥发的nuisance 障碍，公害number of poles 极数numerator 分子numerical 数值的object-oriented 面向对象的obsolete 废弃的occupancy 占有，占用，居住octal-base 八脚的offset 偏心Ohmmeter 欧姆计、电阻表open-loop 开环operating condition 运行状态operation amplifier 运算放大器operational calculus 算符演算optical fiber 光纤orifice 孔，注孔orifice 侧流板，隔板orthogonal 垂直的，正交的Oscillation 振荡oscillation 振荡oscillatory 振动的，摆动的oscilloscope 示波器outgoing 外出了，离开的out-of-step 不同步的over-current relay 过电流继电器overhauling 检修overload 过载P.D=potential drop 电压降panel 操纵台，面板parity 校验pedal 踏板，踏蹬penetrate 透过，渗透per unit value 标么值percentage 百分数performance characteristic 工作特性peripheral 外设periphery 周围，圆周permanent magnet 永磁体permanent-magnet 永磁permissible 允许的perpendicular 垂直的，正交的perpendicular 垂直的，正交的Personnel 人员、职员pertinent 有关的per-unit value 标么值pharmaceutical 药剂，药品phase 相位(控制)phase displacement 相位差phase reversal 反相phase sequence 相序philosophy 基本原理photosensor 光电传感器pickup current 始动电流piezoelectric 压电的pilot light 信号灯piston 活塞pitch 齿轮pitfall 缺陷pivot 支点pivot 轴，支点，旋转中心pivot 轴，支点plant 装置，设备plate (电)镀plug fuse 插头式保险丝plugging 反向制动plunger 可动铁心，插棒式铁心pneumatic 气动的pneumatic 气动的pneumatic 气动的，气动力学的pointer 指针polarity 极性polarity 极性polarity 极性pole 极点Polyphase 多相(的)polyphase rectifier 多相整流器polyphase rectifier 多相整流器potential transformer 电压互感器potential distribution 电位分布potential transformer 电压互感器potentiometer 电位器power frequency 工频power amplifier 功率放大器power flow diagram 功率流程图prebias 预偏置predominant 主要的，突出的prefix 前缀，把…放在前面premise 上述各点，前言，根据primary cell 原生电池primary 最初的，基本的，初级线圈prime 上撇号prime mover 原动机prime motor 原动机primitive 操作，原型prismatic 棱型的private line 专用线路process of self–excitation 自励过程process 进程profile 轮廓，仿行profile 轮廓prolong 延长propagate 传导、传播propagation 传播，宣传proposition 命题pros and cons 优缺点protective gap 保护性间隙放电protocol 协议protocol data unit 协议数据单元protrude 使伸出，突出proximity 距离quadrant 象限quadruple 四合一quantization 量化r.m.s values=root mean square values 均方根值rack mounting 机架安装radial 径向的radial 径向的，辐射状的radiated 传播random 随机的random-wound 散绕rated 额定的rated torque 额定转矩rating 额定值，标称值，定额ratio 比，比率reaction 电感reactive power 无功功率reactive component 无功分量reactive in respect to 相对….呈感性real part 实部recast 重做receptacle 插座receptacle 插座，插孔rectifier 整流器redundant 多余的redundant 多余的，重复的reference Voltage 基准电压refinement 改进refinement 明确表达regeneration 再生,、后反馈放大regenerative braking 回馈制动regulator 调节器relay 继电器release current 释放电流reluctance 磁阻reluctance 磁阻remarks 附注，要点remote database 远程数据库remote login 远程登陆remote terminal 终端representation 代表，表示reprisal 报复residence 住宅resident program 驻留程序residential 住宅的，居住的resolver 解算器resonance 共鸣resonance 共振restriking 电弧再触发resynchronize 再同步retarding torque 制动转矩retrofit 改型reveal 展现reverse braking 反接制动revolute 旋转的，转动的revolutions per minute 转/分revolutions per second 转/秒revolving magnetic field 旋转磁场RF noise 射频干扰rheostat 变阻器，电阻箱rheostat 变阻器rig 设备right-hand rule 右手定则rigid 刚性的，坚固的riiple 纹动ripple 脉动.robustness 鲁棒性rolling 轧制rolling mill 轧钢机rotating commutator 旋转(整流子)换向器rotating magnetic field 旋转磁场rotor (stator) winding 转子(定子绕组) rotor 转子rotor core 转子铁芯rotor resistance 转子电阻router 路由器rugged 坚固的runout table 输出轨道salient 突出的salient poles 凸极salient-pole 凸极式sampling 采样sampling period 采样周期saturate 使…饱和saturation curve 饱和曲线saturation effect 饱和效应scale 刻度、量程scale 改变比例schematic (电路)原理图符号sealed-off 封的self excited 自励self–excitation process 自励过程self-bias resistor 自偏置电阻self-exciting 自励的self-inductor 自感self-latching 自锁semiconductor 半导体separately 单独励磁地separately excited 他励separately excited 他励的series 串励series excited 串励series-wound 串励service data unit 服务数据单元servo 伺服servomechanism 伺服机构，伺服系统shock 冲击short-circuiting ring 短路环short-shunt 短复励shunt 分流，分路，并联，旁路shunt 并励shunt 分路器shunt excited 并励shunt displacement current 旁路位移电流shunt field 并励磁场shunt-wound 并励signal amplifier 小信号放大器signal-to-noise ration、SNR 信噪比signify 表示silica 硅石、二氧化硅silicon 硅simulate 模拟，方针simultaneous 同时的Single Side Band(SSB) 单边带single-phase 单相的singly excited 单边励磁sinusoidal 正弦的sinusoidal time function 正弦时间函数sinusoidal–density wave 正弦磁密度slip 转差率slip rings 滑环slot 槽，开槽solenoid relay 螺管式继电器solenoid 线圈solenoids 螺线管solid state 固体solid-state relay 固态继电器solt 槽sophisticated 复杂的，完善的spare 备用的spark gap 火花放电隙spatial waveform 空间波形speed regulation 速度调节speed-torque characteristic 速度转矩特性speed-torque curve 转速力矩特性曲线sphere 球体spiral 螺旋形的spring 弹簧spring 弹簧square 平方squeeze 压榨，挤，挤榨squirrel 鼠笼式squirrel cage 鼠笼squirrel-cage 鼠笼式，笼型stabilization network 稳定网络stabilize 使稳定stabilizer 稳定器stabilizing transformer 稳定变压器stand-alone 独立的standby 后备的staor winding 定子绕组starting current 启动电流starting torque 启动转矩static allocation 静态分配stator 定子stator 定子stator 定子steady–state condition 瞬态暂态steady direct current 恒稳直流电steer 驾驶，操纵，引导stepper 步进电机storage battery 蓄电池strain gage 应变计量器strategy 策略stress 应力strip 条，带，(跨接)片strive for 争取structural 结构上的studmounted 拴接式subnet 子网subsequently 其后substantially 主要地，实质上地subtle 微妙的，巧妙的subtract 减去summation 求和，加法summer 加法器summing circuit 总和线路反馈系统中的比较环节switchyard 户外配电装置symmetry 对称synchronous 同步电动机synchronous generator 同步发电机synchronous condenser 同步进相(调相)机synchronous reactance 同步电抗synchronous machine 同步电机synchronous speed 同步转速synchronous speed 同步转速synchroscops 同步指示器synthesis 综合物tachogenerator 测速发电机tachometer 转速计tachometer 测速仪tap 抽头tap 抽头taxonomy 分类学，分类technical specifications 技术条件telemedicine 远程医疗terminal 端子terminal voltage 端电压terminology 术语，专门名词terminology 术语testbed 测试平台the dielectric 电介质theorem 定理therapy 治疗thermal 热的，热量的thermocouple 热电偶thermocouple 热电偶thermometer 温度计third harmonic voltage 三次谐波电压three-phase 三相threshold 门限,阈值threshold 门，界限，阈值throttle 节流阀，风门thumb 检查、查阅thyristor 晶闸管time constant 时间常数time delay 延时time invariant 时不变的time-phase 时间相位timing relay 延时继电器toggle (来回)切换toggle 搬扭，刀闸token 令牌topology 拓扑学toroid 环状物torque 转矩，扭矩trade-off 权衡，折衷trajectory 轨迹transducer 传感器transducer 变送器transformer 变压器transformer 变压器transformer 变压器transient 瞬态的transient response 瞬态响应transistor 电子晶体管transistor 晶体管transistor-to-transistor logic，TTL 晶体管-晶体管逻辑transit 运输translatory 平移的traveling-wave 行波triac 双向可控硅Triac 双向晶闸管trial and error 试错法，试凑法triangular symbol 三角符号trigger 引起,触发trigger 起动装置trigonometric transformations 瞬时值trip coil 跳闸线圈troubleshoot 排除故障truthtable 真值表tuner 调谐器turns 匝数turns ratio 变比、匝比two-way configuration 二线制undervoltage 欠电压unidirectional 单方向的，方向不变的unidirectional current 单方向性电流uninterruptible power supply 不间断电源uninverting amplifer 同相放大器validity 正确性vane 机器的叶，叶片vector equation 向(相)量方程velodyne 伺服积分器vendor 生产厂商ventilation 通风，流通空气vernier 游标尺vibration 振动vibration 震动vicinity 附近，邻近，接近videoconference 可视会议virtual reality 虚拟现实virtually 实际上，实质上virtue 优点viscous 粘稠的viscous friction 粘滞摩擦volatile 挥发的，易失的voltage control system 电压控制系统voltage across the terminals 端电压volt-ampere characteristics 伏安特性Voltmeter 电压表、伏特计voltmeter 电压表wafer 薄片Ward-Leonard system 发电机-电动机组系统watchdog timer 看门狗定时器water-tight 防水Watt-hour 瓦时、瓦特小时watt-hour meter 电度表Wattmeter 瓦特计、电表、功率wattmeter 电力表waveguide 波导、波导管wavy groove 起伏的沟槽wear 磨损，损耗weighted 加权的whilst=whilewide area network 广域网windage 通风wind-driven generator 风动发电机winding 绕组winding 绕组winding loss 绕组(铜)损耗worldwide shared 全球共享的wound-rotor 绕线式wrap 捆，缠，环绕wreak 发泄，报复wrench 扳手wye-connected 星形连接yield 产生，提供yoke 轭zener diode 齐纳二极管zero sequence current 零序电流。
电气工程及其自动化专业英语(语法部分)
Specialized English for Electrical Engineering ＆ Its Automation
戴文进 编著
电气工程及其自动化专业教研室
Introduction
• 1 Importance
• 2 Purpose Train students’ comprehension and application ability to
• 另外，专业词汇的词义普遍比较单一，词汇中前 缀和后缀出现的频率很高，缩略语使用的比较多。
电气工程及其自动化专业教研室
词汇的分类( lexical classification)
1 技术词汇(special technical words )---某个专业所特有的词汇，如 diode, substation，autotransformer，superconductivity.
Application, implementation
电气工程及其自动化专业教研室
词汇的构成( words constitution)
专业词汇构成的特征(1)有50%以上的专业词汇来 自外来语;(2)广泛地使用构词法;(3)常用词汇专业化. 1合成法( composition)
horsepower, push-pull, power utilization 2 转换法(conversion)
• Other characteristic, such as frequency, wave shape, and phase balance are seldom recognized by the consumers, but are given constant attention by electric power utility engineers.
电气工程及其自动化专业英语介绍
电气工程及其自动化专业英语介绍Introduction:Electrical Engineering and its Automation is a field of study that combines electrical engineering principles with automation techniques. This discipline focuses on the design, development, and implementation of electrical systems and their control using various automation technologies. In this article, we will delve into the various aspects of Electrical Engineering and its Automation, including its scope, key concepts, job opportunities, and future prospects.Body:1. Scope of Electrical Engineering and its Automation:1.1 Importance of Electrical Engineering:- Electrical engineering plays a vital role in various industries, including power generation, telecommunications, transportation, and manufacturing.- It involves the design and maintenance of electrical systems, such as power distribution networks, control systems, and electronic devices.1.2 Automation in Electrical Engineering:- Automation techniques are applied to enhance the efficiency, reliability, and safety of electrical systems.- Automation technologies, such as PLC (Programmable Logic Controller) and SCADA (Supervisory Control and Data Acquisition), are used for process control, monitoring, and data acquisition.1.3 Integration of Electrical Engineering and Automation:- The integration of electrical engineering principles with automation technologies enables the development of advanced control systems and intelligent machines.- It facilitates the automation of various industrial processes, leading to increased productivity and reduced human intervention.2. Key Concepts in Electrical Engineering and its Automation:2.1 Electrical Circuit Analysis:- This involves the study of electrical circuits and their behavior using mathematical models and techniques.- Concepts such as Ohm's law, Kirchhoff's laws, and circuit theorems are used to analyze and solve electrical circuit problems.2.2 Power Systems:- Power systems deal with the generation, transmission, and distribution of electrical energy.- Concepts like power generation, power factor correction, and power system protection are essential in ensuring a stable and reliable power supply.2.3 Control Systems:- Control systems involve the regulation and control of electrical processes.- Concepts like feedback control, PID (Proportional-Integral-Derivative) controllers, and system stability are crucial in designing and implementing control systems.3. Job Opportunities in Electrical Engineering and its Automation:3.1 Electrical Engineer:- Electrical engineers are responsible for designing, developing, and maintaining electrical systems.- They work in various industries, including power generation, telecommunications, and manufacturing.3.2 Automation Engineer:- Automation engineers specialize in the design and implementation of automation systems.- They develop control strategies, program PLCs, and integrate automation technologies into electrical systems.3.3 Research and Development:- Electrical engineering and its automation offer numerous research and development opportunities.- Researchers work on developing innovative technologies and improving existing systems to meet the evolving demands of industries.4. Future Prospects in Electrical Engineering and its Automation:4.1 Renewable Energy:- The growing focus on renewable energy sources, such as solar and wind power, presents new challenges and opportunities in electrical engineering and its automation.- Engineers are needed to design and optimize renewable energy systems and integrate them into the existing power grid.4.2 Internet of Things (IoT):- The integration of electrical systems with IoT technologies opens up new avenues for automation and control.- Electrical engineers can leverage IoT to develop smart grids, intelligent buildings, and efficient energy management systems.4.3 Artificial Intelligence (AI):- AI techniques, such as machine learning and neural networks, can be applied to enhance the automation capabilities of electrical systems.- Electrical engineers can explore the use of AI for predictive maintenance, fault detection, and optimization of electrical processes.Conclusion:Electrical Engineering and its Automation is a dynamic field that combines electrical engineering principles with automation technologies. It plays a crucial role in various industries and offers a wide range of job opportunities. The integration of electrical engineering with automation enables the development of advanced control systems and intelligent machines. With the increasing focus on renewable energy, IoT, and AI, the future prospects in this field are promising. As technology continues to advance, electrical engineering and its automation will continue to evolve, driving innovation and shaping the future of industries.。
电气工程及其自动化专业英语 Chapter 6 Electric Power Systems
Section 1 Introduction
to acceptable levels, voltage levels had to be high for long-distance power transmission. Such high voltages were not acceptable for generation and consumption of power; therefore, a convenient means for voltage transformation became a necessity. The development of the transformer and AC transmission by L. Gaulard and J.D. Gibbs of Paris, France, led to AC electric power systems. In 1889, the first AC transmission line in North America was put into operation in Oregon between Willamette
Section 1 Introduction
The first complete electric power system (comprising a generator, cable, fuse, meter, and loads) was built by Thomas Edison – the historic Pearl Street Station in New York City which began operation in September 1882. This was a DC system consisting of a steam-engine-driven DC generator supplying power to 59 customers within an area roughly 1.5 km in radius. The load, which consisted entirely of incandescent lamps, was supplied at 110 V through an underground cable system. Within a few years similar systems were in
电气自动化专业英语词汇
nylonflexibleconduit,polyamidetubing波纹管fleciblecable曲挠电缆electronicballast电子镇流器sheathedcontrolcable屏蔽控制电缆horsepower马力slip转差率SSR(SolidStateRelay)固态继电器gain增益powerfrequency工频harmonic谐波airknife风刀anodizing阳极化DIWater去离子水BJ(bubblejet)二流体exhaust排气drain排水humidity湿度RH相对湿度perssure压力temperature温度negatibepole负极positivepole正极common公共端source原极sink漏极FFU(fanfilterunit)风扇过滤单元intensity,绝缘体conductor导体tacttime节拍lifetime寿命NG(nogood)不良品OKREWORK再生laminator,coat,贴膜vaccum真空absoluteencoder绝对值编码器ABSabsoluteposition绝对位置INCincreasepisition增量位置velocity速度acceleratedtime加速时间decelaretimeanalogtodigitalconvertetA/Dantenna天线acceleration加速度stroke行程bolt螺栓boltholebypass旁路interpolation插补100baseT双绞线电缆相连速率100mbpsthreshole灰度值tolerance容忍度TBD待决定capacitor电容有功activepowerreactivepower无功lowerlimit上限upperlimit下限CIMcomputerintegrationmanufacturing电脑整合创造FAfactoryautomation工厂自动化DIWDE-IonizedWater去离子水UPWUltra-pureWater超纯水cleanroom洁净室HEPAhighefficientparticulateairfilter高效粒子空气过滤MGVmanualguidedvehicle人力搬运车AGVautomaticguidedvehicle自动搬运车
电气自动化专业英语单词(按首字母排列)
电气自动化专业英语单词abbreviate 缩写，缩写为abscissa axis 横坐标absolute encoder 绝对编码器ac motor 交流环电动机ac squirrel cage induction motoracademic 纯理论的accelerometer 加速度测量仪accommodate 适应accutrol 控制器acoustic wave 声波active (passive) circuit elementsactive component 有功分量active filter 有源滤波器active in respect to 相对…呈阻性active region 动态区域active 有源的actuate 激励，驱动actuator 执行机构actuator 执行器adjacent 临近的,接近的adjacent 相邻的，邻近的Adjustable-voltage inverter 电压型逆变器admittance 导纳advent 出现air gap 气隙aircraft 飞机air-gap flux distribution 气隙磁通分布air-gap flux 气隙磁通air-gap line 气隙磁化线algebraic 代数的algebraic 代数的algebraical 代数的algorithm 算法algorithmic 算法的align 调整，校准allowable temperature rise 允许温升alloy 合金allude 暗指，直接提到alnico 铝镍钴合金alphabet 字母表alternating current, AC 交流aluminum 铝ambient 环境的ambiguity 模棱两可Ammeter 安培计电流表ammeter 电流表ampere-turns 安匝(数)amplidyne 微场扩流发电机amplification 扩大Amplitude Modulation(AM调幅analog electronics电力电子学analog-to-digital conversion, ADC 模数转换器analytical 分析的，分解的analytical 解析的angular 角的anode 阳极，正极antenna 天线aptly 适当地，适宜地arbitration 仲裁，公断arc welding 电弧焊armature circuit 电枢电路armature coil 电枢线圈armature mmf wave 电枢磁势波armature 电枢armature 电枢armature 衔铁arrangement 结构as a rule of thumb 根据经验asynchronous machine 异步电机attenuate 衰减audio 音频的automatic oscillograph 自动示波器automatic station 无人值守电站automatic Voltage regulator(AVR) automobile starter motor 汽车启动机automobile 汽车autonomic 自治的autonomous 匿名的autotransformer自耦变压器auxiliary motor 辅助电动机auxiliary 辅助的auxiliary 辅助的backlash 啮合间隙，齿隙ballast 镇流器bandwidth 带宽bar code reader 条码阅读器base 基极bearing 轴承bearing 轴承bellows 膜盒bilateral circuit 双向电路bimotored 双马达的binary 二进制binary-coded decimal,BCDbiphase 双相的bipolar junction transistor(BJT双极性晶体管blend 混合，调和，配料block diagram 方框图blow （保险丝）烧断bode plot 波特图bolt 螺栓boost 增压boost-buck 升压去磁boredom 讨厌，无趣braking 制动branch circuit 直路breakaway force 起步阻力breakdown torque 极限转矩breakdown 击穿bronze 青铜brush 电刷brute 僵化的buck 补偿bushing 高压套bushing 套管bypass 旁路by-product 副产品calibrate 校正calibration 标定，标准化calibration 校准，标定，刻度call for 需要cam 凸轮cantilever 悬臂capability 容量capacitance effect 电容效应capacitor 电容器capacitor 电容器capacity 容量capsule 封装carbon 碳carbon-filament lamp 碳丝灯泡carrier 载波Cartesian coordinates 笛卡儿坐标系cartridge 盒式保险丝cast-aluminum rotor铸铝转子cathode 阴极cease 停止，终了centimeter 厘米centrifugal force 离心力centrifugal 离心的，离心力ceramic 陶瓷的chamber 室，腔chao 混乱checksum 检查和circuit branch 支路circuit components 电路元件circuit diagram 电路图circuit parameters 电路参数circuitry 电路，线路circumference 圆周circumnavigate 饶过clamp 夹，钳clamp 夹住，夹紧classic 古典的，经典的，传统的clearance 间隙client-server model 客户服务器模型client-server 客户-服务器clinker-cooler 熟料冷却器closed-loop 闭环■coast 跟踪惯性coaxial 共轴的,同轴的cogging 齿槽效应coil winding 线圈绕组coils 线圈绕组coincide in phase with 与…同相coincidence 一致，相等collector 集电极collector 集电极]commutation condition 换向状况commutation 换向commutator 换向器commutator 换向器commutator-brush combination compatible 兼容的complement 补码complex impedance 复数阻抗complex number 复数compound generator 复励发电机compound 紧密结合compounded 复励compound-wound 复励condominium （国际）共官conductance 电导conductor 导体conduit 导线，导线管cone pulley 塔轮，快慢轮configuration 组态connection 接线端constraint 强制，约束contact 触点contactor 接触器contiguous 邻近的conveyance 运输工具conveyor 传送机copper bar 铜导条copper end rings 铜端环core 铁心corona 电晕,放电corridor 通道，走廊corridor 通路corrosion 腐蚀cost-effective 花费大的counter electromotive force ，CEMF反电势counter emf 反电势counteract 抵抗，抵消，消除counterclockwise 逆时针counterpart 对应物coupling capacitor 结合电容creep 蠕动criteria 标准，判据crude 不精细的，粗略的crystal 晶体crystal 晶体的，水晶，晶体cubicle 立方体culminate 达到极值点culprit 犯罪者cumulative compound 积复励cumulatively compounded motor 积复励电动机Current source inverter 电流型逆变器cutoff 截止,关闭Cyclic Redundancy Check 循环冗余检查cylindrical 圆柱式的damper 减速器dashpot relay 油壶式继电器dashpot 阻尼器dc generator 直流发电机DC link 直流环节dc motor 直流电动机de machine 直流电机decouple 解耦，去除干扰deenergize 不给…通电deflection 挠度，挠曲demagnetization退磁，去磁demodulation 解调demodulator 解调器demystify 阐明denominator 分母depict 描绘，描写depict 描述depress 压下derivative 导数derive 推倒deteriorate 使…恶化deterioration 变化，降低品质deterioration 损坏,磨损deviation 偏差dial 刻度盘dial 刻度盘，调节控制盘diameter 直径diameter 直径diaphragm 膜，隔板diaphragm 膜片diaphragm 膜片，挡板diaphragm 震动膜dictate 确定differential compound 差复励differential equation 微分方程differential pressure transducer差压变送器differentiation 微分differentiation 微分diode 二极管direct axis transient time constantdirect axis 直轴direct-current 直流discrete 离散的displacement current 位移电流displacement 位移dissipate 浪费dissipate 散发distillation 蒸馏distributed system 分布式系统distribution 分配，配电doubly excited 双边励磁drill 钻床due 应得到的dungen 地牢dwelling 住房dynamic braking 能耗制动dynamic response 动态响应dynamic-state operation动态运行dynamometer 测力计，功率计eddy current braking 涡流制动eddy current 涡流eddy current 涡流eddy 涡流effective values 有效值effects of saturation 饱和效应elapse 过去，消逝elapse 时间（流逝）elbow 弯头electric energy 电能electrical device 电气设备electrical stressing 电气应力electrode 电极电焊条electrodynamometer 电测力计electro-hydraulic 电动液压的electrolytic 电解的electromagnetic interference 电磁干扰electromagnetic torque 电磁转矩electromechanical 机电的electronic mail 电子邮件electro-pneumatic 电动气动的elusive 难以捉摸的emf = electromotive fore电动势emitter 发射管放射器发射极emitter 发射极enclosure 机壳enclosure 设备外壳enclosure 外（机）壳encode 编码encoder 编码器end ring 端环energize 励磁energy converter 电能转换器entity 实体enumerate 列举envision 预见epoch angle 初相角equilibria 平衡equilibrium level 平均值equivalent circuit 等效电路equivalent T –circuit T型等值电路error detector 误差检测器error signal 误差信号error 误差，偏差escalation 升级，提高establishment 组织，部门etiquette 规则excitation system 励磁系统excited by 励磁exciting voltage 励磁电压expedite 加速expel 排出，放出expire 期满,终止exponential 指数external armature circuit 电枢外电路external characteristic外特性extruded 型材的fabricate 制造faithful 正确的，可靠的fallout 余波，附带结果fasten 固定，连接feasible 可行的feedback component 反馈元件feedback loop 反馈回路feedback signal 反馈信号feedback system 反馈系统feedback 反馈feeder 馈电线，电源线，馈电板feedforward 前馈felt 毡ferromagnetic 铁磁的fidelity 保真度fidelity 重现精度，真实，正确field coils 励磁线圈field current 励磁电流field effect transistor(FET)场效应管field pole 磁极field winding 磁场绕组励磁绕组field winding 励磁绕组figure of merit品质因数，优值filter 滤波器fin 飞边fixture 设备，装置]flicker 闪烁，摇曳flip-flop 触发器fluctuation 升降剥动，不规则的变化fluorescent 荧光的，有荧光性的flux density 磁通密度flux linkage 磁链flux per pole 每极磁通forced commutation 强迫换流forced-draft 强制通风forging 锻造form-wound 模绕forward transfer function 正向传递函数forward 转发fraction 分数frame 机座，机壳frequency- domain 频域Frequency Shift Keying(FSK)移频键控frequency 频率friction 摩擦full load 满载full-duplex 全双工full-load torque 满载转矩furnace 炉fuse 保险丝，熔丝fuse 熔断器fuse 熔断器，保险丝gain 增益gain 增益gamut 全体，整体gear 齿轮，传动装置general-purpose relay通用继电器generating 发电generator voltage 发电机电压generator 发电机generator 发电机Geometrical position 几何位置geometry 几何结构glitch 同步glue 胶合，粘贴goggles 护目镜，潜水镜graphite 石墨grinder 磨床grossly 大概，大体上的ground-fault circuit interrupter（GFCI）接地故障保护器，接地故障断路器ground-fault protector （GFP）gyroscope 陀螺仪half-duplex 半双工hand-wheel 手轮，驾驶盘，操纵盘hardwired 硬接线的harmonic 谐波的havoc 大破坏hazard 危险hazardous 危险的heat sink 散热器heating appliance 电热器hierarchy 阶梯，等级high-gain 高增益high-pass filter高通滤波器high-performance 高性能的high-volume 大容量hitherto 迄今,至今hockey puck 冰球hoist 起重机horsepower 马力horsepower 马力horseshoe magnet 马蹄形磁铁host 主机humidity 湿度hydraulic 液力的hydraulic 液压传动hydraulic 液压的，液压传动装置hydropower station 水电站hysteresis 磁滞ideal source 理想电源ideological 思想的imaginary part 虚部immunity 抗扰性impedance 阻抗impedance 阻抗impedance 阻抗impulse 推动力in （inch ,inches）英寸in parallel with 并联in series with 串联in terms of 根据，在……方面in the vicinity of 在…附近，在…左右incident 入射的increment encoder 增量编码器indicating needle仪表指针indispensable 必需的，必不可少的induced current 感生电流induced-draft fan 吸风机induction coupling 感应耦合induction generator 感应发电机induction machine 感应电机induction machine 感应式电机induction motor 感应电动机induction motor感应电动机induction-disc relay 感应圆盘式继电器inductive component 感性（无功）分量inertia 惯性inertial 惯性的，惯量的inference 干扰infinite voltage gain 无穷大电压增益infrastructure 基础，底层结构inherent 固有的inhibit 禁止initiate 引起，促进injection molding 注模inrush current 涌流instantaneous electric power瞬时电功率instantaneous mechanical power 瞬时机械功率instruction set 指令集insulation 绝缘insulation 绝缘insulation 绝缘insulator string 绝缘子串intake 吸入integrate 求…的积分integrated circuit 集成电路integration 积分integration 积分下限interactive 交互式interconnection 相互连接interface data unit 接口数据单元interface 接口interfere with 有害于。
电气自动化专业英语第六七八章翻译
电气自动化专业英语第六,七,八章翻译第六章的参考译文：仅供参考，不恰当的地方，请自行修改补充，欢迎通过Email（qiulk@）进行讨论和交流。
?6.1?直流电动机的类型?市场上可购买到的电动机基本上分为四种类型：①永磁直流电机；②串励直流电机；③并励直流电机；④复励直流电机。
因其电路布局和物理性质，使得每一种电机具有不同的特点。
?6.1.1?永磁直流电机?永磁直流电机，如图6.1所示，其结构与相对应的直流发电机的结构相同。
永磁直流电机用于低力矩的应用场合。
当使用此种电机时，通过电刷-换向器装置，直接将电源连接到电枢导体上。
磁场由安装在定子上的永磁体产生，永磁直流电机的转子是一个绕线式电枢。
?该类型电机通常采用铝镍钴合金或陶瓷永磁体，而不是励磁线圈。
铝镍钴合金永磁体用于大马力的应用场合。
陶瓷永磁体通常用于小马力低转速的电机。
陶瓷永磁体具有较高的抗去磁能力，但磁通水平相对较低。
这些磁体通常安装在电机的机壳上，并在电枢绕组插入之前进行磁化。
?永磁直流电机与传统的直流电机相比有几个优点，一个优点是降低了运行成本；永磁电机的速度特性与并励直流电机的速度特性相似；永磁电机的旋转方向可以通过调换两根电源线而实现反转。
?6.1.2?串励直流电机?直流电机电枢和励磁电路的接线方式决定了电机的基本特性。
每一种类型的直流电机具有与之对应类型的直流发电机相似的结构，在多数情况下，唯一的区别在于发电机是作为一个电压源，而电动机是一个机械能转换装置。
?串励直流电机，如图6.2所示，其电枢和励磁电路以串联的方式连接起来。
只有一条从直流电压源的电流通路。
因而，励磁线圈由大线径导线、以相对少的匝数绕制而成的，使得励磁绕组的电阻较小。
施加到电机轴上电机负载的变化导致流经励磁线圈的电流发生变化。
如果机械负载增加，则电流也增大。
增大的电流产生一个更强的磁场。
串励电机的转速在空载下的很快与重载下的很慢之间变化。
由于大电流流过励磁线圈，所以串励电机可产生大力矩输出。
电气自动化专业英语词汇
电气自动化专业英语比较常见的有关词,cylinder 汽缸stopper 死档forklift 叉车chain链条flowchart 流程图pulse frequency modulation control PFMpulse width modulation control PW Mtime blet同步带spare parts,buffer备件pneumatic气动electomechanical机电的solenoid 线圈motor 电机valve 阀DD motor 直驱电机(圆盘电机)LIM linear induction motor直线电机SM(servo motor)伺服电机conveyor 传送带inverter 变频器RFID(radio frequency identification)射频识别系统sensor 传感器photoelectric sensor 光电开关light curtain光幕proximity sensor接近开关barcode 条形码barcode reader条码识别器anti-vibration抗震anti-static 抗静电cable tires ,nylon strip(尼龙扎带)电缆扎带wiring duct,wire trough线槽cableveyor电缆拖链optical fiber sensor光纤传感器optical fiber amp光纤放大器cable marker电缆线号OOBA 开箱检查PLC MAIN BASE plc主基板solt 插槽backboard bus 背板总线POWER SUPPLY MODULE电源模块battary 电池motion module位置模块DC INPUT MODULE DC输入模块DC OUTPUT MODULE DC输出模块anolog output module模拟量输出模块anolog input module模拟量输入模块 ETHERNET MODULE以太模块CONNECTOR 连接器terminal resistance终端电阻remote i/o 远程i/ofiber cable 光缆touch panel触摸屏adapater适配器servo amplifer伺服放大器encoder cable编码器电缆rotating transformer旋转变压器motor power plug电机电源插头barker plug制动器插头speed contorler速度控制器breaker,no-fuse breaker,断路器magnatic contactor接触器overload relay热继led indicator light led指示灯emergency button急停按钮selector switch选择开关realy继电器 timer定时器counter计数器filter滤波器ball screw滚柱丝杠terminal block接线端子排terminal piece终端片symbol bar标志条 multilayer sound and light signal lamp多层式声光信号灯buzzer 报警器wire beezer 线鼻子heat shrinkoing tubing热缩管nylon flexible conduit,polyamide tubing波纹管flecible cable曲挠电缆electronic ballast电子镇流器sheathed control cable屏蔽控制电缆horsepower马力slip转差率SSR(Solid State Relay)固态继电器gain增益power frequency工频harmonic谐波air knife风刀anodizing阳极化DI Water去离子水BJ(bubble jet)二流体exhaust 排气drain排水humidity湿度RH 相对湿度perssure压力temperature 温度negatibe pole负极positive pole正极common 公共端source 原极sink 漏极FFU(fan filter unit)风扇过滤单元intensity,绝缘体conductor导体tact time节拍life time寿命NG(no good)不良品OKREWORK再生laminator,coat,贴膜vaccum真空absolute encoder绝对值编码器ABS absolute position绝对位置INC increase pisition 增量位置velocity速度accelerated time加速时间decelare timeanalog to digital convertet A/Dantenna 天线acceleration加速度stroke 行程bolt螺栓bolt holebypass 旁路interpolation插补100baseT 双绞线电缆相连速率100mbpsthreshole灰度值tolerance容忍度TBD 待决定capacitor电容有功 active powerreactive power 无功lower limit 上限upper limit 下限CIM computer integration manufacturing电脑整合制造FA factory automation 工厂自动化DIW DE-Ionized Water去离子水UPW Ultra-pure Water超纯水clean room洁净室HEPA high efficient particulate air filter高效粒子空气过滤MGV manual guided vehicle 人力搬运车AGV automatic guided vehicle 自动搬运车IR infra-red 红外线recipe配方maintenance维护exposure 曝光cleaner清洗机etcher蚀刻机plasma等离子vent 破真空CDA compressed dry air压缩干燥空气scribe切割break 掰断grind研磨aligment对位,定位line reactor 进线电抗器tap分接头power factor功率因数no-load空载full load满载lighting光源lens镜头caramer摄像机frame grabber影像采集卡AOI automatic optical inspection自动光学检验line-scan线性扫描,线阵area-scan面阵WD 工作距离Back light 逆光、背光自动聚焦Depth of field 景深 pass：指的是用“视觉系统”对被测体进行检测之后的结果为正确。
电气工程及其自动化专业英语
电气工程及其自动化专业英语Section I basic electric circuitChapter 1 Introduction to electric circuitsNew Words and Expressions1. electrical circuit n. 电路2. voltage n. 电压，伏特3. curre nt n. 电流，通用的，流通的，现在的4. curre nt flow n. 电流5. resistor n. 电阻，电阻器6. battery n. 电池7. load n. 负载，负荷8. performa nee n. 性能9. circuit diagram n. 电路图10. idealized model n. 理想模型Introduction*A simple circuit and its components.idealized model of the circuit*Model can be cha nged if n ecessary.*summarizeIn elementary physics classes you undoubtedly have been introduced to the fun dame ntal con cepts of electricity and how real comp onen ts can be put together to form an electrical circuit. A very simple circuit, for example, might consist of a battery, some wire, a switch, and an incandescent light bulb as shown in Fig.1-1. The battery supplies the en ergy required to force electro ns around the loop, heati ng the filame nt of the bulb and caus ing the bulb to radiate a lot of heat and some light.Energy is transferred from a source, the battery, to a load, the bulb———You probably already know that the voltage of the battery and the electrical resista nee of the bulb have something to do with the amount of curre nt that will flowin the circuit. From your own practical experienee you also know that no current will flow until the switch is closed. That is, for a circuit to do anything, the loop has to be completed so that electro ns can flow from the battery to the bulb and the n back aga in to the battery. And fin ally, you probably realize that it doesn t much matter, whether there is on e foot or two feet of wire connecting the battery to the bulb, but that it probably would matter if there is a mile of wire between it and the bulb.Also shown in Fig. 1-1 is a model made up of idealized components. The batteryis modeled as an ideal source that puts out a constant voltage, VB, no matter what amount of curre nt, i, is draw n. The wires are con sidered to be perfect con ductors that offer no resista nee to curre nt flow. The switch is assumed to be ope n or closed. There is no arcing of curre nt across the gap whe n the switch is ope ned, nor is there any bounce to the switch as it makes con tact on closure. The light bulb is modeled as a simple resistor, R, that never changes its value, no matter how hot it becomes or how much curre nt is flow ing through it.Fig. 1-1 (a) A simple circuit(b) An idealized represe ntati on of thecircuitFor most purposes, the idealized model shown in Fig. 1-1b is an adequate represe ntati on of the circuit; that is, our prediction of the current that will flow through the bulb whenever the switch is closed will be sufficiently accurate that we can consider the problem solved. There may be times, however, when the model is in adequate. The battery voltage, for example, may drop as more and more curre nt is drawn, or as the battery ages. --------------------------------- T he light bulb' s resistance may change as it heats up, and the filame nt may have a bit of inductance and capacitance associated with it as well as resistance so that when the switch is closed, the current may not jump in sta ntan eously from zero to some fin al, steady state value. The wires may beundersized, and some of the power delivered by the battery may be lost in the wires before it reaches the load. These subtle effects may or may not be important, depending on what we are trying to find out and how accurately we must be able to predict the performa nee of the circuit. If we decide they are importa nt, we can always cha nge the model as n ecessary and then proceed with the an alysis. The point here is simple. The comb in ati ons of resistors, capacitors, in ductors, voltage sources, curre nt sources, and so forth, that you see in a circuit diagram are merely models of real comp onents that comprise a real circuit, and a certa in amount of judgme nt is required to decide how complicated the model must be before sufficie ntly accurate results can be obta in ed. For our purposes, we will be using very simple models in general, leav ing many of the complicati ons to more adva need textbooks.Chapter 2Definitions of key electrical quantitiesNew Words and Expressionscharge n. vt.电荷；充电nu cleus n.原子核(pl.); nuclear adj.n egative n.否定，负数，底片adj.否定的，消极的，负的，阴性的positive adj.［数］正的adj.［电］阳的in gen eral 通常,大体上，一般而言，总的说来algebraic adj.代数的，关于代数学的soluti on to the circuit problem n.关于电路问题的解法the un its of power n.功率的单位direct curre nt (dc) n 直流电alter nat ing curre nt(ac) n.交流电sinu soidally adv.正弦地tran sistor n.晶体管Part 1 Charge and CurrentAn atom con sists of a positively charged nu cleus surro un ded by a swarm of n egativelycharged electr ons. The charge associated with one electr on has bee n found to be 1.602 x 10- 19 coulombs; or, stated the other way around, one coulomb can be defined as the charge on 6.242 x 1018 electro ns. While most of the electr ons associated with an atom are tightly bound to the nu cleus, good con ductors, like copper, have free electrons that are sufficie ntly dista nt from their nu clei that their attract ion to any particular n ucleus is easily overcome. These con ducti on electr ons are free to wan der from atom to atom, and their moveme nt con stitutes an electric curre nt.In a wire, when one coulomb ' s worth of charge passes a given spot in one second, the current is defined to be one ampere (abbreviated A), named after the nineteenth-century physicist Andr ' e Marie Amp'ere. That is, curre nt i is the net rate of flow of charge q past a point, or through an area:i=d q/d t (1.1)In general, charges can be negative or positive. For example, in a neon light, positive ions move in one direct ion and n egative electr ons move in the other. Each con tributes to curre nt, and the total curre nt is their sum. By conven ti on, the direct ion of curre nt flow is take n to be the direct ion that positive charges would move, whether or not positive charges happen to be in the picture. Thus, in a wire, electrons moving to the right constitute a current that flows to the left, as shown in Fig.1-2.(〉)dq--- / =—dtFig. 1-2 By conven tio n, n egative charges movi ng in one direct ion con stitute a positive curre ntflow in the opposite direct ionW/hen charge flows at a steady rate in one direction only, the current is said to be direct current, or 血A battery, for example, supplies direct curre nt. When charge flows back and forth sinusoidally, it is said to be alternating current, or ac. In the United States the ac electricity delivered by tes of ac and dc are show n in Fig.1-3.Time ―(a)Fig. 1-3 (a) Steady-state direct curre nt (de) (b) Alter nat ing curre nt(ac)Part 2 Kirchhoff' s Current LawTwo of the most fun dame ntal properties of circuits were established experime ntally a cen tury and a half ago by a Germa n professor, Gustav Robert Kirchhoff (1824 - 1887). The first property, known as Kirchhoff ' s current law (abbreviated KCL), states that at every instant of time the sum of the curre nts flow ing into any node of a circuit must equal the sum of the curre nts leavi ng the no de, where a node is any spot where two or more wires are join ed. This is a very simple, but powerful con cept. It is in tuitively obvious once you assert that curre nt is the flow of charge, and that charge is con servative—n either being created nor destroyed as it en ters a no de. Uni ess charge somehow builds up at a no de, which it does not, the n the rate at which charge en ters a node must equal the rate at which charge leaves the no de.There are several alter native ways to state Kirchhoff ' s curre nt law. The most com monly used stateme nt says that the sum of the curre nts flow ing into a node is zero as show n in Fig. 1-4a, in which case some of those curre nts must have n egative values while some have positive values. Equally valid would be the stateme nt that the sum of the curre nts leav ing a node must be zero as show n in Fig. 1-4b(aga in some of these curre nts n eed to have positive values and some n egative). Fin ally, we could say that the sum of the curre nts en teri ng a node equals the sum of the curre nts leav ing a node (Fig. 1-4c). These are all equivale nt as long as we un dersta nd what is meant about the directi on of curre nt flow whe n we in dicate it with an arrow on a circuit diagram. Curre nt that actually flows in the directi on show n by the arrow is give n a positive sig n. Curre nts that actuallyflow in the opposite direct ion have n egative values.(a) The sum of the curre nts into a node equals zero(b) The sum of the curre nts leav ing the node is zero(c) The sum of the curre nts en teri ng a node equals the sum of the curre nts leavi ng the node Note that you can draw curre nt arrows in any directio n that you want — that much is arbitrary — but once havi ng draw n the arrows, you must the n write Kirchhoff ' s curre nt law in a manner that is con siste nt with your arrows, as has bee n done in Fig.1-4. The algebraic soluti on to the circuit problem will automatically determ ine whether or not your arbitrarily determ ined direct ions for curre nts were correct.Example 1.1 Using Kirchhoff ' s Current LawA node of a circuit is shown with current direction arrows chosen arbitrarily. Havingpicked those directi on s, i1 = - 5 A, i2 = 3 A, and i3 = - 1 A. Write an expressi on for Kirchhoff ' s current law and solve for i4.Solution. By Kirchhoff ' s current law,i1 + i2 = i3 + i4 so thatThat is, i4is actually 1 A flowi ng into the no de. Note that i2, i3, and i4 are all en teri ng the no de, and i1 is the only curre nt that is leavi ng the no de.Part 3 Kirchhoff ' s Voltage LawElectr ons won ' t flow through a circuit uni ess they are give n some en ergy to help send them on their way. That “ push ” is measured in volts, where voltage is defi ned to be the amount nodenodenode1 + i4 i4 = - 1 AFig. 1-4 lllustrating various ways that Kirchhoff ' s current law can be statedof en ergy (w, joules) give n to a un it of charge,v=dw/dq A 12-V battery therefore gives 12 joules of en ergy to each coulomb of charge that it stores. Note that the charge does not actually have to move for voltage to have meaning. Voltage describes the potential for charge to do work.While curre nts are measured through a circuit comp onent, voltages are measured across componen ts. Thus, for example, it is correct to say that curre nt through a battery is 10 A, while the voltage across that battery is 12 V. Other ways to describe the voltage across a comp onent in clude whether the voltage rises across the comp onent or drops. Thus, for example, for the simple circuit in Fig. 1-1, there is a voltage rise across the battery and voltage drop across the light bulb. Voltages are always measured with respect to someth ing. That is, the voltage of the positive terminal of the battery is“ so many volts ” with respect to the negative terminal; or, the voltage at a point in a circuit is some amount with respect to some other poin t. In Fig. 1-5, curre nt through a resistor results in a voltage drop from point A to point B of VAB volts. V A and VB arethe voltages at each end of the resistor, measured with respect to some other point.The reference point for voltages in a circuit is usually desig nated with a ground symbol. While many circuits are actually groun ded — that is, there is a path for curre nt to flow directly into the earth —some are not (such as the battery, wires, switch, and bulb in a flashlight). When a ground symbol is show n on a circuit diagram, you should con sider it to be merely a reference point at which thevoltage is defi ned to be zero. Fig.1-6 points out how cha nging the node labeled as ground cha nges the voltages at each node in the circuit, but does not cha nge the voltage drop across each comp onent.(1-2)Fig. 1-5 The voltage drop from point A to point B is V AB, where VAB = VA - VBThe sec ond of Kirchhoff ' s fun dame ntal laws states that the sum of the voltages around any loop of a circuit at any instant is zero. This is known as Kirchhoff ' s voltage law (KVL). Just as was the case for Kirchhoff ' s curre nt law, there are alter native, but equivale nt, ways of stat ing KVL. We can, for example, say that the sum of the voltage rises in any loop equals the sum of the voltagedrops around the loop. Thus in Fig. 1-6, there is a voltage rise of 12 V across the battery and avoltage drop of 3 V across R1 and a drop of 9 V across R2. ------------- Notice that it doesn' t matterwhich node was labeled ground for this to be true. Just as was the case with Kirchhoff ' s current law, we must be careful about labeli ng and in terpret ing the sig ns of voltages in a circuit diagram in order to write the proper vers ion of KVL. A plus (+) sig n on a circuit comp onent in dicates a reference direct ion un der the assumpti on that the pote ntial at that end of the comp onent is higher than the voltage at the other end. Aga in, as long as we are con siste nt in writi ng Kirchhoff ' s voltage law, the algebraic soluti on for the circuit will automatically take care of sig ns.Part 5 Summary of Principal Electrical QuantitiesThe key electrical qua ntities already in troduced and the releva nt relati on ships betwee n these quantities are summarized in Table 1-1.Since electrical quantities vary over such a large range of magnitudes, you will often find yourself work ing with very small qua ntities or very large qua ntities. For example, the voltage created by your TV antenna may be measured in millionths of a volt (microvolts, 卩V), while the power gen erated by a large power stati on may be measured in billi ons of watts, or gigawatts (GW). To describe quantities that may take on such extreme values, it is useful to have a system of prefixes that accompany the units. The most commonly used prefixes in electrical engineering are give n in Table 1-2.Part 6 Ideal Voltage Source and Ideal Current SourceElectric circuits are made up of a relatively small nu mber of differe nt kinds of circuiteleme nts, or comp onen ts, which can be in terc onn ected in an extraord in arily large nu mber of ways.At this point in our discussion, we will concentrate on idealized characteristics of these circuit eleme nts, realiz ing that real comp onents resemble, but do not exactly duplicate, the characteristics that we describe here.An ideal voltage source is one that provides a give n, known voltage vs, no matter what sort ofload it is conn ected to. That is, regardless of the curre nt draw n from the ideal voltage source, it will always provide the same voltage. Note that an ideal voltage source does not have to deliver a con sta nt voltage; for example, it may produce a sinu soidally vary ing voltage —the key is that voltage is not a fun ctio n of the amount of curre nt draw n. A symbol for an ideal voltage source is show n in Fig. 1-7.A special case of an ideal voltage source is an ideal battery that provides a con sta nt dc output, as show n in Fig. 1-8. A real battery approximates the ideal source; but as curre nt in creases, the output drops somewhat. To acco unt for that drop, quite ofte n the model used for a real battery is an ideal voltage source in series with the internal resista nee of the battery.An ideal curre nt source produces a give n amount of curre nt is no matter what load it sees. As show n in Fig. 1-9, a commo nly used symbol for such a device is circle with an arrow in dicati ng the directi on of curre nt flow. While a battery is a good approximati on to an ideal voltage source, there is nothing quite so familiar that approximates an ideal curre nt source. Some tran sistor circuits come close to this ideal and are ofte n modeled with idealized curre nt sources.Section II The electric power systemChapter 1 Brief Introduction to The Electric Power SystemNew Words and ExpressionsMinimum a 最小prime mover n 原动机gen erator n 发电机load n 负载furn ace n 炉膛boiler n 锅炉fissi on able n 可裂变的fissi on able material 核燃料Part 1 Minimum Power systemelevatio n n 高度，海拔internal combusti on engine 内燃机 steam-drive n turbi ne 汽轮机hydraulic turbi ne 水轮机convert v 变换，转换 shaft n 传动轴，轴 torquen 力矩servomecha nism n 伺服机构* Elements of a minimum electric power system *Types of energy source *Types of prime mover *Types of electrical load*Functions of the control systemA minimum electric power system is shown in Fig.1-1, the system consists of an energy source, a prime mover, a generator, and a load.The en ergy source may be coal, gas, or oil burned in a furnace to heat water and gen erate steam in a boiler; it may be fissi on able material which, in a nu clear reactor, will heat water to produce steam; it may be water in a pond at an elevatio n above the gen erat ing stati on; or it may be oil or gas burned in an internal combusti on engine.The prime mover may be a steam-driven turbine, a hydraulic turbine or water wheel, or aninternal combustion engine. Each one of these prime movers has the ability to convert energy in the form of heat, falling water, or fuel into rotation of a shaft, which in turn will drive theEnergy source Prime nioverGenerator Lx>adContjolFig* 1-1 The tninfnmm electric power systemgen erator.The electrical load on the gen erator may be lights, motors, heaters, or other devices, alone or in comb in ati on. Probably the load will vary from mi nute to min ute as differe nt dema nds occur. The control system functions (are ) to keep the speed of the machines substantially constant and the voltage within prescribed limits, even though the load may cha nge. To meet these load con diti on s, it is n ecessary for fuel in put to cha nge, for the prime mover in put to vary, and for the torque on the shaft from the prime mover to cha nge in order that the gen erator may be kept at con sta nt speed. In additi on, the field curre nt to the gen erator must be adjusted to maintain con sta nt output voltage. The con trol system may in clude a man stati oned in the power pla nt who watches a set of meters on the gen erator output term in als and makes the n ecessary adjustme nts manu ally .In a moder n stati on, the con trol system is a servomecha nism that sen ses gen erator-output con diti ons and automatically makes the n ecessary cha nges in en ergy in put and field curre nt to hold the electrical output with in certa in specificati ons.Part 2 More Complicated Systems*Foreword*Cases of power system with out circuit breaker *Power system with circuit breakerNew Words and Expressions1. associated2. circuit3. circuit breaker4. dee nergize5. dee nergized6. outage n7. diagram8. switch out of9. switch offIn most situati ons the load is not directly conn ected to the gen erator term in als. More com monlya 联接的 n 电路n 断路器 vt 切断，断电 adj 不带电的停电 n 简图退出来，断开 v 切断，关闭the load is some distanee from the generator, requiring a power line connecting them. It is desirable to keep the electric power supply at the load with in specificati ons. However, the con trols are near the generator, which may be in another building, perhaps several miles away.If the dista nce from the gen erator to the load is con siderable, it may be desirable to in stall transformers at the generator and at the load end, and to transmit the power over a high-voltage line (Fig.1-2). For the same power, the higher-voltage line carries less current, has lower losses for the same wire size, and provides more stable voltage., TransformerTransformerPrime 〔Mover Generator f C High-voltage line—Fig- 1-2 A generator connected through transformers anda high-voltage line to a distant loadIn some cases an overhead line may be un acceptable. In stead it may be adva ntageous to use an un dergro und cable. With the power systems talked above, the power supply to the load must be in terrupted if, for any reas on, any comp onent of the system must be moved from service for maintenance or repair.Additi onal system load may require more power tha n the gen erator can supply. Ano ther gen erator with its associated tran sformers and high-voltage line might be added.It can be shown that there are some advantages in making ties between the generators (1) and at the end of the high-voltage lines (2 and 3), as shown in Fig.1-3. This system will operate satisfactorily as long as no trouble develops or no equipment needs to be taken out of service.Kig. 1-3 A system with para)lei operation or the generators t of the transformers andof the transmission lintsThe above system may be vastly improved by the in troducti on of circuit breakers, which may be ope ned and closed as n eeded. Circuit breakers added to the system, Fig.1-4, permit selected piece of equipme nt to switch out of service without disturb ing the rema in der of system. With this arran geme nt any eleme nt of the system may be dee nergized for maintenance or repair by operati on of circuit breakers. Of course, if any piece of equipme nt is take n out of service, the n the total load must be carried by the remaining equipment. Attention must be given to avoid overloads duri ng such circumsta nces. If possible, outages of equipme nt are scheduled at times when load requireme nts are below no rmal.Low-voltageo=^GeneratorsFig.1-5 shows a system in which three gen erators and three loads are tied together by threeFig* 1-4 A system with necessary circuit breakerstran smissi on lin es. No circuit breakers are show n in this diagram, although many would berequired in such a system.Fis- 1-S Three generators supplying threeloads over hlgh-voltnge trAnsmlsston linesChapter 2 Faults on Power SystemNew Words and Expressions1. fault2. in terfere neen 干扰，防碍6. feed (fed)给。
电气工程及其自动化专业英语介绍
电气工程及其自动化专业英语介绍Electric Engineering and its Automation: An IntroductionIntroduction:Electric Engineering and its Automation is a specialized field that combines the principles of electrical engineering with the concepts of automation and control systems. This interdisciplinary branch focuses on the design, development, and implementation of electrical systems and automation technologies. In this text, we will provide a detailed overview of the key aspects, subjects, and career prospects associated with the field of Electric Engineering and its Automation.1. Overview of Electric Engineering and its Automation:Electric Engineering and its Automation involves the study and application of electrical principles, electronic devices, and automation technologies to design and develop efficient electrical systems. It encompasses various subfields such as power systems, control systems, robotics, mechatronics, and industrial automation. The field aims to enhance the performance, reliability, and safety of electrical systems while optimizing energy consumption.2. Core Subjects in Electric Engineering and its Automation:a. Electrical Circuits: This subject focuses on the analysis and design of electrical circuits, including resistive, capacitive, and inductive elements. Students learn about circuit laws, network theorems, and various circuit analysis techniques.b. Power Systems: Power systems deal with the generation, transmission, and distribution of electrical energy. Students study power generation technologies, power system stability, load flow analysis, and protection systems.c. Control Systems: Control systems involve the design and analysis of systems that regulate and control the behavior of dynamic processes. Students learn about feedback control, system modeling, stability analysis, and controller design techniques.d. Electronics: Electronics focuses on the study of electronic devices and their applications. Students learn about semiconductor devices, digital electronics, analog electronics, and integrated circuit design.e. Automation and Robotics: This subject covers the principles and applications of automation technologies and robotics. Students study industrial automation, programmable logic controllers (PLCs), robotic systems, and human-machine interfaces.f. Instrumentation and Measurement: Instrumentation and measurement deal with the techniques and instruments used to measure and control various electrical parameters. Students learn about sensors, transducers, data acquisition systems, and signal processing techniques.3. Skills and Competencies:Graduates in Electric Engineering and its Automation possess a range of skills and competencies that make them valuable in various industries. These include:a. Technical Skills: Proficiency in electrical circuit analysis, power system design, control system modeling, programming languages (such as MATLAB and C++), and knowledge of automation technologies.b. Problem-Solving Abilities: The ability to analyze complex electrical and automation problems, identify potential solutions, and implement effective strategies.c. Communication Skills: Effective communication skills to collaborate with multidisciplinary teams, present technical information, and write reports.d. Analytical Thinking: The capability to analyze data, interpret results, and make informed decisions related to electrical systems and automation technologies.e. Adaptability: The willingness to learn and adapt to new technologies, industry trends, and emerging practices in the field.4. Career Prospects:Graduates in Electric Engineering and its Automation have a wide range of career opportunities in various sectors. Some potential career paths include:a. Power Systems Engineer: Designing and maintaining electrical power systems for industries, utilities, and renewable energy projects.b. Control Systems Engineer: Developing and implementing control systems for industrial automation, robotics, and manufacturing processes.c. Electrical Design Engineer: Designing electrical systems for buildings, infrastructure projects, and transportation networks.d. Automation Engineer: Designing and programming automation systems for industrial processes, including PLC programming and human-machine interface (HMI) design.e. Research and Development: Working in research and development departments of companies or academic institutions to innovate and improve electrical and automation technologies.f. Project Management: Overseeing and managing electrical and automation projects, ensuring their successful completion within budget and timeline.Conclusion:Electric Engineering and its Automation offer a broad range of opportunities for individuals interested in the design, development, and implementation of electrical systems and automation technologies. The field combines the principles of electrical engineering with automation concepts, making it a highly interdisciplinary and in-demand profession. Graduates in this field possess the necessary skills and competencies to contribute to various industries and play a crucial role in advancing technology and improving efficiency in electrical systems.。
电气工程及其自动化专业英语苏小林
电气工程及其自动化专业英语-ZOE Su1. Introduction电气工程及其自动化( Electrical Engineering and Automation)是一个广泛应用于各个领域的学科，它涵盖了电力系统、电子电路、自动控制、仪器测量等多个方面。
在学习和研究这门学科时，熟悉相关的英语专业术语是非常重要的。
本文档将介绍一些电气工程及其自动化专业中常用的英语词汇和短语。
2. Electrical Engineering 英语词汇2.1 电力系统•Power system: 电力系统•Power generation: 发电•Power transmission: 输电•Power distribution: 配电•Power plant: 发电厂•Substation: 变电站•Transformer: 变压器•Generator: 发电机•Transmission line: 输电线路•Circuit breaker: 断路器•Load: 负载2.2 电子电路•Circuit: 电路•Resistor: 电阻器•Capacitor: 电容器•Inductor: 电感器•Diode: 二极管•Transistor: 晶体管•Integrated circuit (IC): 集成电路•Printed circuit board (PCB): 印制电路板•Voltage: 电压•Current: 电流2.3 自动控制•Control system: 控制系统•Feedback: 反馈•PID controller: 比例积分微分（PID）控制器•Sensor: 传感器•Actuator: 执行器•Control signal: 控制信号•Closed-loop control: 闭环控制•Open-loop control: 开环控制2.4 仪器测量•Instrumentation: 仪器测量•Measurement: 测量•Accuracy: 精度•Calibration: 校准•Sensor: 传感器•Meter: 仪表•Voltmeter: 电压计•Ammeter: 电流计•Oscilloscope: 示波器•Multimeter: 电表3. Electrical Engineering 英语短语3.1 电力系统•Power blackout: 停电•Grid integration: 网络集成•Load shedding: 负荷调节•Power factor: 功率因数•Power outage: 断电•Voltage regulation: 电压调节•Renewable energy: 可再生能源•Power factor correction: 功率因数校正•Power supply: 电源3.2 电子电路•Logic gate: 逻辑门•Circuit design: 电路设计•Printed circuit board (PCB) design: 印刷电路板设计•Analog circuit: 模拟电路•Digital circuit: 数字电路•Circuit analysis: 电路分析•Circuit simulation: 电路仿真•Circuit board layout: 电路板布局•Electronic component: 电子元件•Circuit diagram: 电路图3.3 自动控制•Automatic control: 自动控制•Control loop: 控制回路•Feedback loop: 反馈回路•Control system design: 控制系统设计•Proportional control: 比例控制•Integral control: 积分控制•Derivative control: 微分控制•Control algorithm: 控制算法•System response: 系统响应•Setpoint: 设定值3.4 仪器测量•Measurement uncertainty: 测量不确定性•Precision measurement: 精密测量•Measurement accuracy: 测量准确性•Metrology: 计量学•Calibration procedure: 校准程序•Test equipment: 测试设备•Instrument calibration: 仪器校准•Measurement range: 测量范围•Measurement error: 测量误差•Data acquisition: 数据采集4. 总结掌握电气工程及其自动化专业中的英语词汇和短语是很有必要的，它可以帮助我们更好地理解和交流相关知识。
电气工程与自动化专业英语 第6章
6
Text A Thyristor DC Drivers
The combination of power, control, and protective circuits constitutes the converter. Standard modular converters are available as off-the-shelf items in sizes from 0.5 kW up to several hundred kW, while larger drives will be tailored to individual requirements. Individual converters may be mounted in enclosures with isolators, fuses etc., or groups of converters may be mounted together to form a multi-motor drive.
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6.2 Motor current waveforms
2
Armature voltage
The ripple voltage (纹波电压)causes a ripple current to flow in the armature, but because of the armature inductance, the amplitude of the ripple current is small. In other words, the armature presents a high impedance to a.c. voltages. This smoothing effect of the armature inductance is shown in Figure 6.2(b),
电气自动化专业英语词汇
line-to-neutral stator winding leakage reactance no-load full load Polyphase iron-loss complex impedance rotor resistance leakage flux locked-rotor chopper circuit separately excited compounded dc motor de machine speed regulation shunt series armature circuit optical fiber interoffice waveguide bandwidth light emitting diode
磁阻 功率放大器 复励发电机 变阻器 自励过程
self – excitation process commutation condition
换向状况 积复励电动机
steady direct current 恒稳直流电 sinusoidal time function 正弦时间函数 complex number 复数
Cartesian coordinates 笛卡儿坐标系 modulus 模
reluctance power amplifier compound generator rheostat
基准电压 磁放大器 微场扩流发电机 自励的 限幅器 手动控制 方框图 线性区 电压互感器 稳定网络 稳定器 气隙磁通 饱和效应 饱和曲线 磁链 标么值 并励磁场 磁路 负载饱和曲线 气隙磁化线 多相整流器
potential transformer stabilization network stabilizer air-gap flux saturation effect saturation curve flux linkage per unit value shunt field magnetic circuit
《 电气自动化专业英语》 习题解答
第一单元EXERCISE 11．F 2．F 3．T 4．T 5．FEXERCISE 21．有源元件2．Ohm’s Law3．电势差4．applied voltage5．绝缘材料6．positive protons 7．电子器件8．depletion zone EXERCISE 31．C 2．E 3．B 4．F 5．D 6．A EXERCISE 41．交流2．数/模转换3．音频4．自动频率控制5．自动增益控制6．调幅EXERCISE 51．Emitter (E) 2．p-type Emitter region 3．n- type Base region4．p-type Collector region 5．Collector (C) 6．Emitter-Base Junction (EBJ)7．Base (B) 8．Collector-Base Junction (CBJ) 9．PNP练习答案242EXERCISE 71．B 2．A 3．D 4．E 5．C第二单元EXERCISE 11．F 2．T 3．F 4．F 5.TEXERCISE 21．混合电路2．numeric value 3．离散值4．digital circuit 5．调谐电路6．printed circuit board 7．替换模型8．closed path EXERCISE 31．C 2．D 3．B 4．AEXERCISE 41．异步传输模式2．计算机辅助教学3．电荷耦合器件4．码分多址5．压缩只读光盘6．数字信号处理EXERCISE 51．BATTERY (1) 2．TOGGLE SWITCH 3．PUSH TO MAKE (A) 4．PUSH TO MAKE (B) 5．BATTERY (2) 6．MOTOR 7．RELAY练习答案243EXERCISE 7 1．C2．A3．D4．B第三单元EXERCISE 1 1．F2．F3．F4．T5．TEXERCISE 2 1．数字电子电路 2．voltage level 3．逻辑门4．AND gate 5．计算机处理能力 6．switch off7．逻辑电路8．processing chipEXERCISE 3 1．C2．F3．A4．G5．D6．B7．EEXERCISE 4 1．计算机辅助工程 2．计算机辅助制造 3．数据流程图 4．数字视频光盘5．电动势6．柔性制造系统EXERCISE 5 1．Insulation2．Silicon chip 3．Connection wires 4．Terminal pins5．Base plate6．Plastic caseEXERCISE 7 1．C2．B3．A练习答案244 第四单元EXERCISE 11．F 2．F 3．F 4．T 5．TEXERCISE 21．发光二极管2．reverse bias 3．场效晶体管4．depletion region5．运算放大器6．integrated circuit 7．电场8．bipolar junction transistor EXERCISE 31．C 2．E 3．A 4．D 5．BEXERCISE 41．功能电刺激2．调频3．全球定位系统4．硬盘5．高清晰度电视6．高频EXERCISE 51．Diodes 2．Piezo Buzzer 3．Transistor 4．Transformer 5．Relay 6．Inductors 7．Integrated Circuits (IC’s)8．Capacitors 9．Crystal 10．ResistorsEXERCISE 71．C 2．A 3．E 4．B 5．F 6．D第五单元EXERCISE 11．F 2．F 3．T 4．F 5．TEXERCISE 21．机械传感器2．redox electrode 3．可见光谱4．metal detector 5．热传感器6．strain gauge 7．流量计8．radar gun EXERCISE 31．B 2．A 3．C 4．E 5．D练习答案245EXERCISE 4 1．集成电路2．智能决策支持系统 3．智能网络 4．解释结构建模法 5．综合业务数字网6．知识库管理系统EXERCISE 5 1．Protection tube2．Titania element 3．Gasket 4．Carrier substrate5．Metal body with hexagon nut 6．Ceramic holder 7．Glass insulation 8．Outer metal body9．Signal cable10．SealEXERCISE 7 1．C2．A3．B第六单元EXERCISE 1 1．T2．T3．T4．F5．FEXERCISE 2 1．直流电2．source of electricity 3．交流电4．power dissipation 5．配电系统 6．magnet pole7．电压脉冲8．wire coilEXERCISE 3 1．B2．D 3．F 4．A 5．E 6．CEXERCISE 41．基尔霍夫电流定律 2．基尔霍夫电压定律 3．液晶显示器 4．发光二极管5．环路滤波器6．线性二次调节器练习答案EXERCISE 51．Motor Housing 2．Stator Winding 3．Rotor 4．Winding Support and Cooling Jacket 5．Front Bearings 6．Shaft7．Coolant Inlet 8．Coolant Outlet 9．Rear Bearings 10．Feedback SensorEXERCISE 71．B 2．A 3．D 4．C第七单元EXERCISE 11．T 2．F 3．T 4．F 5．FEXERCISE 21．装配线2．PLC 3．数控机床4．nominal voltage 5．继电器触点6．multiple inputs 7．光传感器8．AC power EXERCISE 31．C 2．E 3．A 4．D 5．BEXERCISE 41．制造自动化2．模型库3．最经济控制4．平均无故障时间5．金属氧化物半导体6．中波EXERCISE 51．Connections 2．Programming port Run/ Halt switch Screwdriver inputs 3．Status IO indicators 4．Optional Battery 5．I/O Module Connectors 6．Output Terminals 7．Input Terminals 8．Power-supply Terminals EXERCISE 7246练习答案1．B 2．C 3．A247练习答案248 第八单元EXERCISE 11．T 2．F 3．F 4．T 5．TEXERCISE 21．基础元件2．positive feedback 3．闭环系统4．component value 5．负反馈6．set parameter 7．巡航控制8．open-loop system EXERCISE 31．C 2．E 3．B 4．A 5．DEXERCISE 41．光放大器2．开发系统互联3．脉冲编码调制4．鉴相器5．锁相器6．模式识别EXERCISE 51．GND 2．TRIGGER 3．OUTPUT 4．RESET 5．CONTROL VOLTAGE 6．THRESHOLD 7．DISCHARGEEXERCISE 71．C 2．A 3．E 4．B 5．D第九单元EXERCISE 11．F 2．F 3．F 4．T 5．TEXERCISE 21．集成电路2．Read Only Memory (ROM) 3．随机存储器4．frequency stabilization 5．串行通信6．power supply circuit 7．输入/输出口8．general-purpose registerEXERCISE 3练习答案1．C 2．E 3．B 4．A 5．DEXERCISE 41．可编程序逻辑控制器2．质量管理3．射频4．平面关节型机器人5．异步串行接口6．通用串行总线EXERCISE 51．Microcontroller 2．PLL 3．Oscillator 4．SPI PC 5．Microprocessor 6．RAM 7．Program Memory 8．EEPROM EXERCISE 71．C 2．A 3．D 4．B第十单元EXERCISE 11．T 2．F 3．T 4．F 5．FEXERCISE 21．传感系统2．relative motion 3．自由度4．work volume5．定向机构6．position mechanism 7．公法线8．forward kinematics EXERCISE 31．C 2．A 3．F 4．E 5．B 6．DEXERCISE 41．超高频2．录像机3．可视图形适配器4．甚高频5．无线应用协议6．方法库EXERCISE 51．Battery 2．CCD(Charge Coupled Device) 3．Sensor Board 4．Lean Sensor 5．ANT 6．Motor Controller Board 7．FSR (Pressure Sensor) EXERCISE 7249练习答案1．C 2．E 3．A 4．B 5．D 250。
电气工程及其自动化专业英语
voltage drop 电压降 volt-ampere characteristics 伏安特性
metal-filament lamp 金属丝灯泡
carbon-filament lamp 碳丝灯泡
non-linear characteristics 非线性特性
Unit 1 Circuit Elements and Parameters
• With time-invariant currents and voltages, the magnetic anห้องสมุดไป่ตู้ electric fields of the associated electric plant are also timeinvariant. This is the reason why no e.m.f.s of self- (or mutual-)induction（自感或互感）appear in D.C. circuits, nor are there （倒装结构）any displacement currents （位移电 流）in the dielectric surrounding the conductors(导体周围的 电介质）.
Techniques
Unit 1 Specialized English Words
circuit components 电路元件
circuit parameters 电路参数
the dielectric 电介质
storage battery 蓄电池
electric circuit 电路
wire导线
电气工程及其自动化专业英语
Specialized English for Electrical Engineering ＆ Its Automation
电气工程及其自动化专业英语介绍
电气工程及其自动化专业英语介绍Introduction to Electrical Engineering and its Automation1. Overview of Electrical Engineering and its AutomationElectrical Engineering and its Automation is a specialized field that combines the study of electrical systems and automation technologies. It involves the design, development, and implementation of electrical systems, as well as the integration of automation technologies to enhance efficiency and productivity. This field plays a crucial role in various industries such as power generation, telecommunications, manufacturing, and transportation.2. Curriculum and CourseworkThe curriculum for Electrical Engineering and its Automation program is designed to provide students with a strong foundation in both electrical engineering principles and automation technologies. The coursework includes theoretical knowledge, practical skills, and hands-on experience to prepare students for real-world challenges. Some of the core subjects covered in this program include:- Circuit Analysis: This course focuses on the fundamentals of electrical circuits, including Ohm's law, Kirchhoff's laws, and network theorems.- Power Systems: Students learn about the generation, transmission, and distribution of electrical power, as well as power system protection and control.- Control Systems: This course introduces the principles of control systems and their applications in various industries. Topics covered include feedback control, system modeling, and PID controllers.- Programmable Logic Controllers (PLCs): Students gain knowledge and skills in programming and troubleshooting PLCs, which are widely used in industrial automation.- Industrial Robotics: This course covers the principles of robotics and their applications in manufacturing processes. Students learn about robot programming, kinematics, and sensor integration.- Digital Signal Processing: This subject focuses on the analysis and processing of digital signals using various techniques such as Fourier analysis, filtering, and modulation.3. Laboratory Facilities and Research OpportunitiesThe Electrical Engineering and its Automation program provides state-of-the-art laboratory facilities to enhance practical learning and research opportunities. Students have access to well-equipped labs for experiments and projects related to electrical circuits, power systems, control systems, robotics, and automation technologies. These facilities allow students to apply their theoretical knowledge to real-world scenarios and gain hands-on experience.Furthermore, the program offers research opportunities for students interested in advancing their knowledge and contributing to the field. Research areas may include renewable energy systems, smart grid technologies, intelligent control systems, and artificial intelligence in automation. Students can work closely with faculty members on research projects and gain valuable insights into cutting-edge technologies and industry trends.4. Career ProspectsGraduates of the Electrical Engineering and its Automation program have excellent career prospects in various industries. They can work as electrical engineers, automation engineers, control system engineers, power system engineers, or robotics engineers. Some potential career paths include:- Power Generation and Distribution: Graduates can work in power plants, utility companies, or renewable energy projects, designing and maintaining electrical systems and ensuring efficient power generation and distribution.- Manufacturing and Automation: Graduates can find opportunities in manufacturing companies, where they can design and optimize automation systems, improve production processes, and implement quality control measures.- Telecommunications: Graduates can work in the telecommunications industry, designing and maintaining communication networks, developing innovative solutions, and ensuring reliable connectivity.- Research and Development: Graduates can pursue careers in research and development organizations, contributing to the advancement of electrical engineering and automation technologies.5. ConclusionIn conclusion, the Electrical Engineering and its Automation program provides students with a comprehensive understanding of electrical systems and automation technologies. The curriculum, laboratory facilities, and research opportunities prepare students for successful careers in various industries. Graduates of this program have the necessary skills and knowledge to contribute to the development and implementation of advanced electrical and automation systems.。
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6.1 直流电动机的类型市场上可购买到的电动机基本上分为四种类型：①永磁直流电机；②串励直流电机；③并励直流电机；④复励直流电机。
因其电路布局和物理性质，使得每一种电机具有不同的特点。
6.1.1 永磁直流电机永磁直流电机，如图6.1所示，其结构与相对应的直流发电机的结构相同。
永磁直流电机用于低力矩的应用场合。
当使用此种电机时，通过电刷-换向器装置，直接将电源连接到电枢导体上。
磁场由安装在定子上的永磁体产生，永磁直流电机的转子是一个绕线式电枢。
该类型电机通常采用铝镍钴合金或陶瓷永磁体，而不是励磁线圈。
铝镍钴合金永磁体用于大马力的应用场合。
陶瓷永磁体通常用于小马力低转速的电机。
陶瓷永磁体具有较高的抗去磁能力，但磁通水平相对较低。
这些磁体通常安装在电机的机壳上，并在电枢绕组插入之前进行磁化。
永磁直流电机与传统的直流电机相比有几个优点，一个优点是降低了运行成本；永磁电机的速度特性与并励直流电机的速度特性相似；永磁电机的旋转方向可以通过调换两根电源线而实现反转。
6.1.2 串励直流电机直流电机电枢和励磁电路的接线方式决定了电机的基本特性。
每一种类型的直流电机具有与之对应类型的直流发电机相似的结构，在多数情况下，唯一的区别在于发电机是作为一个电压源，而电动机是一个机械能转换装置。
串励直流电机，如图6.2所示，其电枢和励磁电路以串联的方式连接起来。
只有一条从直流电压源的电流通路。
因而，励磁线圈由大线径导线、以相对少的匝数绕制而成的，使得励磁绕组的电阻较小。
施加到电机轴上电机负载的变化导致流经励磁线圈的电流发生变化。
如果机械负载增加，则电流也增大。
增大的电流产生一个更强的磁场。
串励电机的转速在空载下的很快与重载下的很慢之间变化。
由于大电流流过励磁线圈，所以串励电机可产生大力矩输出。
串励电机多用于重载和速度调节要求低的场合。
一个典型的应用是汽车启动电机。
6.1.3 并励直流电机并励直流电机比其它类型的直流电机应用更广。
如图6.3所示，并励电机的励磁线圈与电枢以并联的形式连接到直流电源。
这种类型直流电机的励磁线圈由细径导线绕制多圈而制成，具有相对较高的电阻。
由于励磁绕组是并励电机的高阻并联电路，所以，流经励磁绕组的电流较小。
但是，由于磁场绕组的匝数很多，所以，仍然产生一个强大的电磁场。
绝大多数（约95%）的并励电机电流是流过电枢电路的（意味着只有约5%的电流流过励磁电路，也就是说该电流的大小变化不是很大，对磁场强度的影响就会很小）。
因为励磁电流对磁场强度影响很小，所以电机转速受负载电流变化的影响很小。
流过并励电机的电流关系如下所示：IL=Ia+If其中，IL-是从电源流出的总电流；Ia是电枢电流；If是励磁电流。
励磁电流可以通过在励磁绕组电路上串联一个可变电阻而改变，因为励磁电流很小，所以采用一个低功率的变阻箱，通过励磁电阻的改变以改变电机的转速。
当励磁电阻增大时，励磁电流减小。
励磁电流减小，导致电磁场强度的下降。
当磁场磁通下降是，电枢会转得更快一些，归因于磁场交互作用的减弱。
这样，通过应用励磁变阻箱的方法，直流并励电机的转速可以很容易地发生变化。
并励绕线式直流电机具有非常好的速度调节特性。
当负载增加时，电机转速有轻微的下降，其原因是电枢两端电压降增加。
正是因为其良好的速度调节特性和易于速度控制的特点，直流并励电机通常应用于工业应用，许多类型的变速机床均由直流并励电机所驱动。
6.1.4 复励绕线式直流电机复励绕线式直流电机如图6.4所示，拥有两组励磁绕组，一个与电枢串联，另一个与电枢并联。
此种电机结合了串励电机和并励电机的优点。
复励电机的连接方式有两种：积复励和差复励。
积复励直流电机的串联和并联励磁线圈是互相增强的，而差复励直流电机的串联和并联励磁线圈是互相减弱的。
串联励磁线圈的放置位置有两种方式，一种方式称之为短并励（如图6.4所示），在这种方式中，并励励磁线圈直接跨接在电枢绕组两端；而在长并励方式中，并励励磁线圈跨接在电枢绕组和串联励磁线圈的两端（如图6.4所示）。
复励电机具有与串励电机相似的大力矩特点，同时也具有与并励电机相似的良好的速度调节特性的特点。
因此，当需要大力矩和良好速度调节特性时，可以选用复励直流电机。
复励直流电机的缺点是它的成本较高。
6.2 直流电机分析一个直流电机是一个功率流向相反的直流发电机。
在直流电机中，电能被转化成机械能。
基于前面的讨论，有三种类型的直流电机：并励、积复励和串励。
积复励电机前面加了一个“积”字，用以强调所串联的励磁线圈的方式确保串励磁通是增强并励磁通的。
不象串励发电机那样，串励电机有着广泛地用途，尤其是在牵引类负载。
因此本书后续部分给予此种电机应有的关注。
（也可以翻译成：“因此，本书后续部分给予此种电机相当的笔墨。
”）根据其等效电路、一组性能方程、一个功率流向图和磁化曲线，三种之中的任何一种直流电机的运行性能均可方便的加以描述。
等效电路如图6.5所示，值得注意的是：在这里，电枢感应电压被看作一个反电动势Ea。
通过添加适当的约束，我们可以得到各种理想运行模式的等效电路。
例如，对于串励电机，其恰当的等效电路是将图6.5所示等效电路中的Rf去掉。
计算运行性能所需的一组方程如下所示：（式：6.1-6.4，省略）注意最后的两个方程做了相应的修改，对以下事实做出解释：对于电动机来说，Ut是施加电压或电源电压，必须等于电压降之和；同样地，线电流等于电枢电流和励磁电流之和，而不是二者之差。
功率流向图如图6.6所示，来自于电网的电能UtIL提供了用于建立磁通的磁场能量和维持电流Ia的电枢电路铜损。
流过位于磁场内的电枢导体的电流导致了力矩的产生（F=BIL）。
根据能量守恒定律可知：电磁功率EaIa应等于TWm，其中Wm是稳态运行速度。
从电机所产生的机械功率中去除旋转损失就是（系统的）机械输出功率。
直流电机经常被用来做一些工业上非常苛刻的工作，因为其高度的灵活性和易于控制的特点。
这些优点是其他电磁能量转换装置所能比拟的。
直流电机具有一个宽泛的速度控制和力矩控制，以及突出的加速和减速特性。
例如，通过接入一个合适的电枢电路电阻，在启动时，可以在不超过额定电流的情况下，得到额定转矩；还有，通过对并励励磁线圈的特殊设计，可以轻松得到超过4:1的速度调节。
如果辅助以电枢电压控制，速度调节范围可达6:1。
在某些提供电枢和励磁电路直流能量的电子控制装置中，能达到的速度调节范围是40:1，不过，能够控制的电机的尺寸是有限的。
6.3 直流电动机的速度-力矩特性（机械特性）直流电机如何对施加到电机轴上负载做出反应？直流电机自适应地向负载提供所需能量的机理是什么？这些问题的答案可以通过对性能方程组的推导而得出。
首先，我们的注意力放在并励直流电机上，但是，类似的推导思路可以应用到其它类型的直流电机上。
为了我们的目标，两个相关的描述力矩和电流的方程，即：T=KT*Phi*Ia和XXX（6.5式省略）。
注意最后一个表达式是由式6.1替代式6.3中的Ea所得到的。
当空载时，唯一所需力矩用于克服旋转损失。
因为并励电机运行在恒定的磁通下，式T=KT*Phi*Ia（6.2）表明：与额定值相比，只需要一个很小的电枢电流以提供那些（旋转）损失。
式（6.5）揭示了电枢电流到达所需数值的方式。
在这个表达式中，Ut、Ra、KE和Phi 均为固定值，因此，转速n就是一个关键变量。
对于某一瞬间，如果假设转速低于某一数值，那么式（6.5）的分子项呈现一个较大数值，反过来使得电流Ia为一个较大的值。
从这一点上来说，电机做出反应来改正这一情形。
大的电枢电流Ia产生一个超过摩擦力和风阻的力矩，该力矩将增加转速到一个与电枢电流平衡值相对应的水平上。
换句话说，只有在转速到达这样的一个水平上--由公式（6.5）所产生的电枢电流足以克服旋转损失，加速力矩才变成零。
接下来考虑这样一个情形：当一个需要额定力矩的负载突然施加到电机转轴上。
很清楚，因为在这一瞬间，电机所产生的而力矩只能够克服摩擦力和风阻，而不足以克服负载力矩，所以，电机的第一个反应是失速（速度下降）。
这样，正如式（6.5）所示的那样，电枢电流增大，反过来使得电磁力矩增大。
事实上，施加力矩导致电机在某个转速下运转，此时电机的电流足以产生力矩以克服所施加的力矩和摩擦力矩。
达到所谓的功率平衡，此时，达到一个平衡条件：电磁功率EaIa 等于机械功率TWm。
直流电机与三相感应电机的对比表明：从施加到转轴上的负载的响应来看，两者都是速度敏感型装置。
然而，一个本质的区别在于对于三相感应电机来说，所产生的力矩与电枢电流的功率因数角大小成反比。
当然，对于直流电机来说，没有类似的情形。
基于上述讨论，很明显，直流电机的速度-力矩特性曲线是一个重要的性质。
图6.7所示是用于并励、复励和串励电机的速度-力矩特性的一般形状。
为了便于比较，这些曲线通过了一个共同的额定力矩和额定转速点。
要理解为什么曲线的形状和相对位置会如图6.7所示，可以从式（6.1）中得到答案，其含有速度项。
对于并励直流电机来说，速度方程可以记作：shEaatshEaKRIUKEnφφ-==式子中的变量只有转速n和电枢电流Ia。
在额定输出力矩情况下，电枢电流为额定值，转速也为额定值。
当负载去除后，电枢电流相应地变小，使得式（6.6）的分子项变大，其结果是导致较高的转速。
转速增高的程度取决于电枢电阻压降与端电压相比有多大，通常约为5%-10%。
因而，我们可以想象出并励电机的转速变化百分比大致为这一量级。
速度变化用一个称为转速变化率的品质因数来表示，其定义如下：⨯-=满载转速满载转速空载转速转速变化率当速度方程应用于积复励电机时，其形式为：)()(sshEsaatKRRIUnφφ++-=将其与并励电机的类似表达式比较可以得出两点不同：1）分子项中包含除电枢绕组之外的串励励磁绕组的电压降；2）分母项增加串励磁通量Phis。
假设从额定力矩和转速处开始，从式（6.8）可以清楚地看出：当负载力矩减小为零时，分子项有一个增长，该增长大于并励电机情况下的增长，而且，与此同时，分母项有所减小，因为当转矩为零时，Phis也为零。
两种因素同时作用使得转速有一个大的增长。
因此，积复励电机的转速变化率大于并励电机的转速变化率。
图6.7图示地描述了该信息。
串励电机的速度-力矩特性情况有很大的不同，因为它没有并励的励磁绕组。
牢记：在串励电机中，磁场磁通的建立完全来自电枢电流流过串励励磁线圈。
那么，据此而论，串励电机的速度方程变为：SEsaataSEaKRRIUKEnφφ')(+-==其中'EK表示一个新的比例因子，使得Sφ可以由电枢电流Ia所代替。