电力系统可靠性指标中英文对照
电力行业——专业术语英文对照表
电力行业——专业术语英文对照表一．电气名词Electric items交（直）流Alternating (direct) current短路电流Short-circuit current起始次暂态短路电流Initial subtransient short-circuit current 冲击电流Impulse current稳态短路电流Steady state short-circuit current临界电流Critical current切断电流Rupturing current熔断电流Blow-out current故障电流Fault current计算电流Calculating current极限有限电流Limit effective current过电流Over current逆电流Inverse current整定电流Setting current额定电流Rated current电流密度Current density短路电流最大有效值Maximum effective value of short-circuit current高压High-voltage , High-tension低压Low-voltage , Low-tension计算电压Calculating voltage激磁电压Exciting voltage冲击电压Impulse voltage临界电压Critical voltage残留电压Residual voltage击穿电压Puncture voltage脉动电压Pulsating voltage供电电压Supply voltage电力电压Power voltage照明电压Lighting voltage灯丝电压Filament voltage额定电压Rated voltage电压损失Voltage loss过(欠)电压Over (under) voltage线路电压Line voltage电压降Voltage drop工作电压Working voltage一次电压Primary voltage二次电压Secondary voltage电源Electric source (power supply)自控电压Power supply for process control6kV 控制闪光电源Flashing supply for 6kV control 工作电源Working power supply (electric source) 保安电源Emergency power supply (electric source) 直流稳压电源Stabilized D.C. source控制电源Control supply直流电源D.C. source交流电源A.C. source负荷计算Load calculation设备容量Installed capacity需要容量Electric demand功率因数Power factor安装高度Mounting height耐电压Breakdown voltage工频耐压High-voltage test with working frequency 表面闪络Surface flash-over直流泄漏D.C. leakage体电阻率Volume resistivity介质损失角Dielectric loss angle击穿强度Puncture intensity电压等级Voltage grade比重Specific gravity性能Feature相序Phase sequence瞬时Instantaneous倾角Angle of inclination跨度Span正极Positive pole负极Negative pole截面(积) Cross section area辅助电源Auxiliary source遮断容量Interrupting capacity载流量Current-carrying capacity校正系数Correction factor连续负荷Continuous load长期载流量Continuous capacity长时间额定值Longtime rating电动机堵转电流Locked-rotor motor current限定负荷Limited load电感负荷Inductive load感应电流Induced current二．线路（母线、回路）Lines (Bus , circuits)母线Bus-bar合闸电源母线Closing power source bus闪光母线Flashing-bus备用母线Spare bus装在支柱上的插接式母线Post-supported plug-in bus way装在吊钩上的插接式母线Hook-supported plug-in bus way装在支架上的插接式母线Bracket-supported plug-in bus way 小母线Miniature bus电源小母线Power supply miniature bus操作小母线Operating miniature bus事故信号小母线Miniature bus for fault signal闪光小母线Flashing miniature bus主母线Main bus直流主母线D.C. main bus预告母线Prewarning bus干线Main line照明干线Lighting main line接地干线Grounding main line插座干线Receptacle main line电压干线Voltage main line端子出线Terminal outgoing中性线Neutral支线Branch-line引入线Lead-in电气线路Electric circuit交流配电线路A.C. distribution circuit直流配电线路D.C. distribution circuit事故照明线路Emergency lighting circuit控制线路Control circuit接地或接零线路Grounding or neutralizing circuit信号线路Signal circuit有接地极的接地线路网Grounding with grounding electrodes 定子绕组测温回路Temperature measuring circuit for stator winding接地信号回路Grounding signal circuit闪光信号回路Flashing-signal circuit开阀回路Circuit for opening valve关（闭）阀回路Circuit for closing valve开度计回路Circuit for opening meter电流测量回路Current-measuring circuit差动保护回路Differental protective circuit过流保护回路Over-current protective circuit合闸回路Closing circuit停车延时回路Delayed shutdown circuit掉闸回路Trip circuit激磁回路Exciting circuit备用回路Spare circuit主回路Main circuit馈路Feeder circuit现有回路Existing circuit单线回路Single-wire circuit接地回路Earthed circuit有电压的电路Live circuit三．设备Equipments高压开关柜H.V. switchgear动力配电箱Power distribution cabinet电源配电箱Source distribution cabinet直流配电屏D.C. switchboard (distribution panel)交流低压配电屏A.C.L.V. switchboard (distribution panel)静电电容器柜Static capacitor cabinet多种电源插销箱Receptacle box for miscellaneous power supplies控制箱Control cabinet照明配电箱Lighting (distribution panel)连接箱Junction box出线盒Outlet box开关箱Switch box控制台Console分段屏Sectionalizing panel进线屏Incoming line panel电控箱Electric control panel边屏Side board端子箱T erminal box供电盘Power supply box瓶车箱Synchronizing cabinet感应调压器专用变压器高压柜Special transformer H.V. cabinet for inductionvoltage regulator电压互感器柜Potential transformer cabinet信号屏Signal panel浮充屏Floating panel蓄电池屏Battery panel充电屏Charging panel母线联络柜Bus tie cabinet转换开关Transfer switch电压表转换开关Voltmeter change-over switch铁壳开关Metal-clad switch (Iron-clad switch)管式熔断器Cartridge fuse真空断路器Vacuum circuit breaker (V.C.B.)自动开关Automatic switch高压负荷开关H.V. load break switch三极高压断路器3-pole HV circuit-breaker刀开关Knife switch转换开关Transfer switch双极铁壳开关2-pole iron-clad switch风扇变速开关Fan speed regulator switch密闭照明灯开关Hermetic lighting switch防爆照明灯开关Explosion-proof lighting switch行程开关Limit switch高压隔离开关H.V. disconnecting switch明装单极板钮开关Surface-mounted single-pole toggle switch 暗装单极板钮开关Flush-mounted single-pole toggle switch 三路开关Three-way switch气密式组合开关Hermetic packet type switch防护式开关Guard type switch联锁开关Interlock switch操作方式选择开关Selecting switch for types of operation控制电源开关Switch for control supply主令开关Master switch (controller)多切点切换开关Multi-point change-over switch按钮Push-button控制按钮Control push-button防爆控制按钮Explosion-proof control push-button事故紧急按钮Emergency stopping push-button起动按钮Starting push-button停止按钮Stopping push-button现场按钮Push-button in field挡板damper音响解除按钮Push-button for sound release起动器Starter磁力起动器Magnetic starter综合起动器Combination starter (Magnetic starter combination)电力变压器Power transformer调压变压器Voltage regulating transformer电压互感器Potential transformer电流互感器Current transformer照明变压器Lighting transformer三相三绕组变压器3-phase tertiary winding transformer高压试验变压器H.V. testing transformer局部照明变压器Local lighting transformer多量程仪用电流互感器Multi-range current transformer for measurement降压变压器Step-down transformer伺服电动机Servo-motor双电压电动机Dual-voltage motor感应电动机Induction motor交流异步电动机A.C. asynchronous motor同步电动机synchronous motor三相滑环感应电动机3-phase slip-ring induction motor三相鼠笼感应电动机3-phase squirrel-cage induction motor 绕线式电动机Wound-rotor induction motor反应式电动机Reaction motor柴油发电机Diesel generator励磁发电机Excitation generator明装双极插座Surface-mounted 2-pole receptacle暗装双极插座Flush-mounted 2-pole receptacle双极带接地插座2-pole receptacle with grounding contact单相三孔明插座Surface-mounted single phase 3-pole receptacle防护式明装三相四孔插座Guard type surface-mounted 3-phase 4-pole receptacle配照型灯Standard dome lighting fitting搪瓷深照型灯Enameled high bay lighting fitting防水防尘灯Water and dust proof lighting fitting安全灯Safety lighting fitting隔爆灯Explosion-proof lighting fitting弯灯Goose-neck light壁灯Wall light高压水银灯High pressure mercury vapor lighting fitting 投光灯Flood-light (projection light)信号灯Signal lamp天棚灯Ceiling-mounted lighting fitting局部照明灯Local lighting fitting灯座Lamp holder事故照明灯Emergency lighting fitting高压水银荧光灯H.P. mercury fluorescent lighting fitting 广照型工厂灯Wide lit type industrial fitting深照型灯具High bay lighting fitting白炽灯具Incandescent lamp (bulb)圆球型灯Globe lamp嵌入式荧光灯flush type fluorescent lighting fitting红色障碍灯Red obstruction lamp for aviation厂区道路照明灯Street lighting in plant area路灯Street lamp视孔灯Inspection hole lamp立杆弯灯goose-neck post lamp , pole lamp模拟报警信号Semigraph and alarm signal自整角机Selsyn励磁机Exciter显示器Display电位器Potentiometer内电阻Internal resistance固定电阻（器） Fixed resistance脱扣Release , trip分励Shunt trip特殊失压脱扣器Special no-voltage release“或”开关放大器“Or” switch amplifier制动器Brake电容Capacitor整流器Rectifier镇流器Chock分流器Shunt油变阻器Oil immersed rheostat频敏电阻器Frequency sensitive rheostat滑线变阻器Sliding rheostat蜂鸣器Buzzer电机加热器Space heater (for motor)空气断路器电机操作机构Motor operating mechanism for air circuit-breaker可控硅励磁装置Silicon controlled rectifier excitation device 保护装置Protective device (element)闪光装置Flashing device接闪装置（避雷器） Lightning arrester断相保护Phase failure protection四．保护、继电器Protection , relays信号继电器Signal relay过电流继电器Over-current relay电压继电器Voltage relay时间继电器Time relay中间继电器Auxiliary relay热继电器Thermal relay温度继电器T emperature relay瓦斯继电器Gas relay控制电源中间继电器Auxiliary relay for control supply自动操作继电器Relay for auto-operation低电压继电器Under-voltage relay过电压继电器Over-voltage relay联锁继电器Interlock relay冲击继电器Impact relay合闸位置继电器Close position relay逆流继电器Reverse-current relay差流继电器Differential current relay差动继电器Differential relay电流继电器Current relay功率继电器Power relay接地继电器Earthing relay重合闸继电器Reclosing relay同步继电器Synchronous relay速动继电器Quick acting relay定时限继电器Definite time relay光电继电器Photoelectric relay电子继电器Electronic relay电磁式继电器Electromagnetic relay电动式继电器Electrodynamic relay气压继电器Gas-pressure relay继电器常开触点Relay N.O. contact继电器常闭触点Relay N.C. contact继电器保护触点（常开） Relay holding contact (N.O.)能自动返回的常闭按钮触点Self-return button with N.C. contact模拟信号触点Contact for semigraph signal强励磁接点Shock excitation contact电感线圈Induction coil电流线圈Current coil脱扣线圈Trip coil合闸线圈Close coil释放线圈Releasing coil掉闸线圈Tripping coil予告信号Prewarning signal掉闸回路断线信号Breakage signal of trip circuit断路器事故掉闸信号Fault trip signal of breaker掉闸音响信号Tripping audible signal重瓦斯预告信号Heavy gas prewarning signal温度预告信号Temperature prewarning signal手动、自动操作时事故信号Fault signal in manual/automatic operation保护掉闸Protective trip控制掉闸Control trip手动跳闸Manual trip变电所紧急停车Emergency shutdown at substation工艺故障Fault in process励磁故障Fault in excitation工作电源失电报警No-voltage alarm of working electric source工作电源分合闸On and off of working electric source工作电源投入Throw-in of working electric source保安电源送电supply of emergency electric source运转指示Indicating of operation投入指示Indicating of throw-in同步指示Indicating of synchronism延时停车Delayed shutdown电源切除Switch off the power supply速断及过流断通Instantaneous trip and over-current off/on自保持Self-holding自锁Self-lock联锁Interlocking绝缘监视Insulation supervision电压监视Voltage supervision联锁解除Release of interlock工作、保安电源切换Transfer of working and emergency power supply发电机与工作母线并车Synchronization of generator to working bus重瓦斯保护Heavy gas protection开或闭超扭矩保护Over-torque protection during opening and closing valve电机起动顺序Sequence of motor starting铭牌框注字Name plate denotation (inscription)五．电气仪表Electric instruments电流表Ammeter电压表Voltmeter三相三线有功电度表Three-phase three-wire kilowatt-hour meter , kWh meter单相电度表Single-phase kilowatt-hour meter三相无功电度表Three-phase kilovar-hour meter有功功率表Active power meter , kilowatt meter无功功率表Reactive power meter , kilovar meter三相瓦特表(功率表) Three-phase watt meter功率因数表Power factor meter频率表Frequency meter验电流器Galvanoscope欧姆表Ohmmeter相位表Phase meter转速表Tachometer波长表Wave-length meter三相四线制标准电度表3-phase 4-wire standard watthour-meter过载电流表Overload ammeter低功率因数瓦特表Low power-factor wattmeter交直流两用钳型电流表A.C./D.C. multi-purpose tongtester兆欧表Megger , Megohmmeter万用表Avometer微安表Microammeter毫安表Milliammeter各种测量仪表Various kind of measuring instruments接地电阻测量仪Earthing resistance tester真空管电压表Vacuum tube voltmeter电动秒表Electric second-meter六．防雷Lightning protection避雷装置Lightning protector避雷针Lightning rod避雷带Strap type lightning protector避雷网Network of lightning protector避雷针支架Lightning rod support避雷针尖Tip of lightning rod避雷针拉铁Brace for lightning rod避雷器Lightning arrester , surge discharger球型避雷器Spherical arrester管形避雷器Tubular arrester阀形避雷器Auto-valve arrester低压避雷器Low voltage arrester角形避雷器Horn arrester多隙避雷器Multigap arrester铝避雷器Aluminum cell arrester氧化膜避雷器Oxide film arrester击穿保险器Puncture lightning arrester雷击Lightning stroke直接雷击Direct lightning stroke感应雷击Induction lightning stroke雷电日Thunderbolt days雷电或然率Lightning and thunder probability 触电Electric shock静电感应Electrostatic induction七．接地Grounding , earthing接地保护Ground protection , earth protection 防雷接地Grounding for lightning保护接地Protective earthing人工接地Artificial grounding工作接地Working grounding , working earthing 重复接地Multiple earthing屏蔽接地Screen earthing , shielding ground中性点接地Neutral point grounded接地系统Grounding system , earthing system 接地故障Ground fault , earth fault单相接地Single phase earthing母线接地Bus ground接地装置Grounding device , earthing device引下线Down-lead , down conductor引下线固定Clamping plate of support for fixing 支架夹板Down lead引下线固定支脚Support for fixing down lead接地线Ground connector接地干线Ground(ing) main , (bus)接地网Grounding network , earthing network接地极Earth electrode (pole)接地电阻Earth resistance接地电路Earth (ground) circuit连接条Connecting strip断接卡Connecting clamp八．室、所Room , Substation贮藏室Storage套间Compartment蓄电池室Battery room控制室Control room配电室Distribution room维修间Repair room变电所Substation高压配电室H.V. distribution room休息室Rest room九．电修车间设备Equipments of electric repair砂轮机Emery wheel grinder台钻Bench drilling machine交流电焊机A.C. welding machine移动式空气压缩机Portable air compressor手电钻Electric hand drill单速手摇绕线机Single speed hand winding machine导线钳压器Wire jointing press-clamp油压千斤顶Hydraulic jack电吹尘器Electric dust cleaner存放柜Store chest高压试验变压器H.V. testing transformer泄漏试验变压器Leakage testing set大电流发生器Strong current generator油浸自冷感应调压器Oil-immersed self-cooled inductionvoltage regulator多量程仪用电流互感器Multi-range current transformer for measurement仪用电感互感器Instrumental voltage transformer单相自耦变压器Single-phase auto-transformer三相自耦变压器3-phase auto-transformer硅整流器Silicon rectifier仪表试验台T esting stand for instrument接触器，继电器试验台Relay and contactor testing stand慢扫描示波器Slow scanning oscillograph交流电子稳压器A.C. electronic voltage stabilizer携带式交流电桥Portable A.C. electric bridge接地电阻测量仪Earthing resistance tester电缆故障探伤仪Cable fault detector直流单臂电桥D.C. single-arm electric bridge , Wheatstone bridge十．材料Material绝缘包布Insulating tape填料Filler , packing绝缘膏Insulating compound电缆膏Cable compound防腐油Anti-corrosive oil沥青漆Bituminous varnish绝缘漆Insulating varnish瓷漆Enamel varnish有色金属Non-ferrous metal黑色金属ferrous metal白金属White metal云母Mica环氧树脂Epoxy resin聚氯乙烯Polyvinyl chloride , PVC 蜡Wax滑石粉Talc powder电胶木Bakelite聚丙烯外壳Polyacrylic cover耐油橡胶管Oil-proof rubber tubes 接地铜线Grounding copper wire 垫圈Pad塑料绝缘线Plastics insulated wire 橡套电缆Rubber sheathed cable 中间接头Splice填充剂Filling agent绝缘电线Insulated wire移动软电缆Movable flexible cable 补偿导线Extension wire套管Bushing母线槽Busway悬索Cable suspension滑触线Trolley conductor镀锌煤气管Galvanized gas pipe镀锌角钢Galvanized steel angle镀锌扁钢Galvanized steel strap钢丝绳Steel wire rope电笛Siren电磁阀Electromagnetic valve连接片Connecting link切换片Transfering link端子排T erminal board半导体二极管Semiconductor diode 开度计Opening meter逻辑元件Logical element接线盒Junction box仪表槽板Instrument trunking电缆吊架Cable hanger出线套Outgoing line sleeve十一．图名Drawings , diagrams电气图纸目录Contents of electric drawings电力系统图Electric power system diagram照明系统图Lighting system diagram电力平面布置图Electric power layout plan照明平面布置图Lighting layout plan单线图One line diagram控制箱面部布置图Surface arrangement of control box 背部接线图Back wiring (diagram)外部接线图External (outside) wiring diagram内部接线图Internal (inside) wiring diagram控制原理图Principle control diagram原理图Schematic diagram展开图Developed diagram电气标准图Electric standard drawing电气施工图Electric working drawing复用图Reproducibles (drawing)电缆联系图Cable hook-up diagram转换开关接点图Contact diagram of transfer switch箱侧视图Side view of box正视图Front view , facade背视图Back view剖面图Section参考图Reference drawing电缆敷设图Cable laying diagram箱内框架布置图Arrangement of frames inside the cabinet控制箱台面展开图Surface developed diagram of console出线端子示意图Schematic diagram of terminal outgoing lines 端子接线图Diagram of terminal connections电气管线表List of wire , cable and conduits设备材料表List of equipment and materials十二．表头Tables电力系统图Power system diagram引入线Lead in保护设备Protective device型号Type额定值Rating整定值Setting主启动设备回路Circuit to starting device导线型号、芯数、截面及管径Conductor type , cores , section & diameter of conduit线长Wire length管长Conduit length启动设备Starting device型号规格Type , specification保护元件Protective element计量装置Calculating device用电设备主回路Main circuit of electric equipment控制回路Control circuit控制装置Control device用电设备Electric equipment设备容量Consumer capacity生产设备Production equipment位号No. of location名称Name备注Remarks引入线Feed in配电箱Distribution cabinet型号及编号Type and No.开关型号Switch type保护装置Protective device回路编号Circuit No.相别Phase灯数Number of lamps插座数Number of receptacles电缆编号No. of line起点Starting终点Ending母线截面Section of bus零母线Neutral bus屏编号Panel No.型号及方案号Type and variant No.控制原理图号Principle control diagram工艺位号Process item No.十三．标准图词汇T erms from standard DWG电工系统图图形符号Graphic symbols for electric system交流电的相别A.C. phase sequence直流电的正负极D.C. positive and negative poles有中性点引出线的星形连接的三相绕组Star-connected three phase windings withneutral outlet开口三角形连接的三相绕组3-phase winding with open delta connection互相连接的导线Cross connection of wires不连接的跨越导线Crossing wires not in contact with eachother可拆卸的电气连接Removable connection电缆终端头Pothead of cable or cable end自耦变压器Auto-transformer感应调压器Induction voltage regulator凸极同步电动机Salient pole synchronous motor带接换装置的蓄电池组Accumulator battery with tap-changers 空气断路器Air circuit-breaker保持触点Holding contact热元件Thermal element自动复位的操作开关Spring-return operating switch插接器Plug-in connector电喇叭Horn电炉Electric furnace分流器Shunt可控硅整流箱屏Silicon controlled rectifier box panel直流配电屏D.C. distributing panel磁力起动器组Magnetic starter group自动开关箱Automatic switch box行程开关Limit switch局部灯Local lighting fitting荧光灯列Series fluorescent lighting fitting防护式灯开关Protective switch导线引上Conductors turning up导线引下Conductors turning down导线由上引来Conductors turning from above导线由下引来Conductors turning from below电缆沟Cable trench调压器Voltage regulator隔离变压器Isolating transformer击穿保护器Puncturing safety device晶体管Transisorized diode地坪Grade level电缆与水管平行Cable running parallel to a water supply pipe 电缆与热力管道交叉敷设Cable running across heat pipeline 车道Drive way电缆穿管与管道交叉Cable protective pipe across a pipeline 双(单)侧支架电缆沟Trench with rack on both sides (one side) 室外地坪Outdoor grade跨接线Jumper金属软管Flexible metal tube过渡接头Adapter电气工程及其自动化专业术语翻译transistor 晶体管audion 三极管capacitance 电容Diesel 柴油机AC- motors 交流电机transistorcoupling 联结耦合current carrying capacity 载流能力（最大允许电流）conductivity 传导性in isolation 绝缘lead 导线leakage current 泄漏电流inductance 感应系数loops 线圈macroprocessor 微处理器multimedia show 多媒体展示medium-power distribution 中压配电motor and soft starters 电机及软起动器numerical controls 数控系统optimal 最佳的，最理想的overload relays 过载继电器overshoot 过冲peak current 峰值电流power dissipation 电力分散process automation 过程自动化process instrumentation and analytics 过程仪表及分析仪器punch 穿孔，冲压reactance 电抗recharge 再充regulated power supply 稳压电源resistance 阻抗resistor 电阻器resonate 共振self-inductance 自感应series inductance 串联感应simulation 模拟switching 配电；交流thermal cycle 热循环thickness 厚度voltage regulator 调压器warping 扭曲，变形wiring layout 线路配置图AC-drives 交流变频器asymmetrical 非对称的attenuation 衰减bridged impedance 桥接阻抗cable bridge 电缆桥架charge 电荷circuit schematic diagram 电路原理图解coefficient 系数configuration 构造constant 常量copper sheet 铜片damping 阻尼decomposition 分解decouple 分离delay circuit 延迟电路dielectric sheets 介电原片diode clamping 钳位edge connector 边缘连接器electrical infrastructure 电气基础设施electrical installation 电气安装技术equations set 方程组four-layer 四层hookup 接线图human machine interface 人机界面impedance 阻抗incidence 入射incident wave 入射波incorporated 合成一体的instantaneous 瞬间的interleaved 交叉load admittance 负载导纳lumped 集中的modal 模式的modeling 建模motor management systems 电机管理系统mounting pads 安装垫片noise margins 噪音安全系数proximity effect 邻近效应radian 弧度resistive 有抵抗力的schematic 示意图services & industry solutions 服务和工业解决方案terminator 终结器undershoot 负脉冲信号；下。
发电设备可靠性评价指标(一)
8日5:00。其余时间全出力运行。该机组当年计划停运
系数是（
）。
A、3.56% B、3.63% C、3.83% D、3.89%
答案:C
⑨试题:某厂一台1000MW机组，2007年B级检修47天，
节日检修3天，其余时间全出力运行。当年机组计划停
运系数是（
）。
A、11.88%
B、12.88%
C、13.15% D、
B、0.83%
C、0.88% D、0
答案:D
➢2、非计划停运系数（UOF）:
2.1计算公式:
UO非 F 统计 计划 期 停 间 10% 运 小 0U P 小 时 O H1 时 H0%0 2.2英文名称:unplanned outage factor
英文缩写
UO UO1 UO2 UO3 UO4 UO5 FO FS IUND
发电设备状态中、英文对照表
中文
计划降低出力运行 非计划降低出力运行
(1,2,3,4) 全出力备用 降低出力备用 计划降低出力备用 非计划降低出力备用
(1,2,3,4) 定期维护
停用
英文 in –service planned derated in –service unplanned derated(1,2,3,4)
➢1、计划停运系数（POF）:
1.1计算公式:
PO 统 计 F 计 划期 停 1间 运 00 小 小 P % PO H 时 时 1H00%
1.2英文名称:planned outage factor 1.3指标说明： 计划停运小时是指设备处于计划停运状态的小时数。主机 组计划停运小时分为三类：大修、小修、节日检修和公用 系统计划检修停运小时。 法定节日包括 “五一”、“十一”、“元旦”、“春节”、 “清明”、“端午”、“中秋”。
(电力行业)电力系统继电保护中英文对照表
126Internalfault 内部故障 127Auxiliarycontacts 辅助触点 128Neutralauto-transformer 中性点接地自耦变压器 129Fusebox/fusiblecutout 熔断器 130Pulserelay/surgerelay 冲击继电器
旅长 2005 七 2007-10-2611:14
139Direct-to-groundcapacity 对地电容 140Shuntrunning 潜动 141Trip/opening 跳闸 142Tripswitch 跳闸开关 143Receivermachine 收信机 144High-frequencydirectionfinder 高频测向器 145Capacitycharge 电容充电 146timeover-current 时限过电流 148Surgeguard 冲击防护 149Oscillatorysurge 振荡冲击 150Failsafeinterlock 五防装置 151Differentialmotion 差动 152Capacitivecurrent 电容电流 154Timedelay 延时 156Normalinverse
Businsulator 母线绝缘器 62 Busrequestcycle 总线请求周期 63 Busreactor 母线电抗器 64 Busprotection 母线保护 65 Busrings 集电环 66 Busrod 汇流母线 67 Bussectionreactor 分段电抗器 68 Busstructure 母线支架;总线结构 69 Bustieswitch 母线联络开关 70 Bus-barchamber 母线箱
线圈调节器 81 Coilcurl 线圈 82 Coilcurrent 线圈电流 83 Coilendleakagereactance 线圈端漏电抗 84 Coilinductance 线圈电感 85 Currenttransformerphaseangle 电流互感器相角 86 Distancerelay;impedancerelay 阻抗继电器 87 Powerrheostat 电力变阻器 88 Electricallyoperatedvalve 电动阀门 89 Electricalgoverningsystem 电力调速系统 90
电力系统可靠性评估指标
电力系统可靠性评估指标1.1 大电网可靠性的测度指标1. (电力系统的)缺电概率 LOLP loss of load probability给定时间区间内系统不能满足负荷需求的概率，即∑∈=s i i PLOLP式中：i P 为系统处于状态i 的概率；S 为给定时间区间内不能满足负荷需求的系统状态全集。
2. 缺电时间期望 LOLE loss of load expectation给定时间区间内系统不能满足负荷需求的小时或天数的期望值。
即∑∈=si iT P LOLE 式中：i P 、S 含义同上；T 为给定的时间区间的小时数或天数。
缺电时间期望LOLE 通常用h/a 或d/a 表示。
3. 缺电频率 LOLF loss of load frequency给定时间区间内系统不能满足负荷需求的次数，其近似计算公式为∑∈=Si i F LOLF 式中：i F 为系统处于状态i 的频率；S 含义同上。
LOLF 通常用次/年表示。
4. 缺电持续时间 LOLD loss of load duration给定时间区间内系统不能满足负荷需求的平均每次持续时间，即LOLFLOLE LOLD = LOLD 通常用小时/次表示。
5. 期望缺供电力 EDNS expected demand not supplied系统在给定时间区间内因发电容量短缺或电网约束造成负荷需求电力削减的期望数。
即∑∈=Si ii P C EDNS 式中：i P 为系统处于状态i 的概率；i C 为状态i 条件下削减的负荷功率；S 含义同上。
期望缺供电力EDNS 通常用MW 表示。
6. 期望缺供电量 EENS expected energy not supplied系统在给定时间区间内因发电容量短缺或电网约束造成负荷需求电量削减的期望数。
即∑∑∈∈==Si ii S i i i i T P C D F C EENS 式中：F i 为系统处于状态i 的频率；D i 为状态i 的持续时间；P i 、C i 、S 和T 含义同上。
风电设备可靠性指标中英文对照及缩写
运行小时
service hours
SH
备用小时
reserve hours
RH
统计期间小时
period hours
PH
毛实际发电量
gross actual gen erati on
GAG
毛最大容量
gross maximum capacity
GMC
利用小时
utilizatio n hours
UTH
计划停运次数
PRH
场内原因受累停运备用
passive reserve shutdow n in side hou
sPRIH
场外原因受累停运备用
passive reserve shutdow n outside hours
PROH
不可用
un available
U
计划停运
pla nned outage
PO
非计划停运
RC
计划停运系数
pla nned outage factor
POF
非计划停运系数
un pla nned outage factor
UOF
电量损失
En ergy loss
EL
统计台年数
unit years
UY
指标名称
英文全称
英文缩与
运行系数
service factor
SF
可用系数
available factor
AF
毛容量系数
gross capacity factor
GCF
利用系数
utilization factor
UTF
出力系数
output factor
可靠性指标中英文对照
22
附录 B 资料性附录） （资料性附录） 供电系统供电可靠性指标中、 供电系统供电可靠性指标中、英文对照表 供电系统供电可靠性指标中、 表 B.1 供电系统供电可靠性指标中、英文对照表 指标名称 英文缩写 英文全称
供电可靠率
RS-1
reliability on service in total
供电可靠率（不计外部影响）
RS-2
reliability on service external influence
except
供电可靠率 （不计系统电源不足 限电）
RS-3
reliability on service except limited power supply du to generation shortage of ion hours of
故障停电平均缺供电量
AENT-F
停电用户平均停电次数
AITCI
停电用户平均停电时间
AIHCI
hours
of
设施停运停电率
REOI
outage
with
设施停电平均持续时间
MDEOI
mean duration of equipment with interruption
outage
24
续表 B.1
指标名称
用户平均停电时间
AIHC-1
用户平均停电时间 （不计外部影 响） 用户平均停电时间 （不计系统电 源不足限电） 用户平均停电次数
AIHC-2
average interruption hours of customer except external Influence average interruption hours of customer except limited power supply du to generation shortage of system average customer interruption times of
电力系统中的供电可靠性指标及优化
电力系统中的供电可靠性指标及优化一、引言电力供应的可靠性是评估电力系统性能的重要指标之一。
在现代社会中，电力已经成为人们生活的基本需求，因此对电力系统的可靠性要求也越来越高。
供电可靠性指标的正确评估和优化对于确保电力系统稳定运行和满足用户需求至关重要。
本文将介绍电力系统中常用的供电可靠性指标，并讨论相应的优化方法。
二、供电可靠性指标1. 平均停电时间（Average Interruption Duration）平均停电时间是指每位用户在一定时间内平均遭受的停电时间。
该指标反映了电力系统故障和维修的程度，以及系统在恢复正常供电时所需的时间。
该指标的评估可以通过收集历史数据进行统计计算，并可以用来对比不同地区或不同电力系统的可靠性水平。
2. 平均停电频率（Average Interruption Frequency）平均停电频率是指每位用户在一定时间内平均遭受的停电次数。
该指标反映了电力系统存在故障的频率和影响程度。
平均停电频率是衡量电力系统可靠性的重要指标之一，可通过历史数据的统计计算进行评估。
较低的平均停电频率表明电力系统故障发生的概率较小，供电可靠性较高。
3. 可用性（Availability）可用性是指电力系统在一定时间范围内正常运行的概率。
该指标综合考虑了供电系统的可恢复性、备用能力和维修时间等因素。
可用性可以通过计算系统运行时间与总时间之比得出，也可以通过模拟和分析电力系统的故障概率来进行评估。
三、供电可靠性优化1. 设备优化电力系统中的设备故障是导致停电的主要原因之一。
为了提高供电可靠性，可以对电力设备进行定期维护、检修和更新。
此外，引入先进的设备监测技术，能够提前发现设备故障和潜在问题，从而及时采取措施防止故障的发生。
2. 网络优化电力系统的网络结构和配置对供电可靠性有重要影响。
优化电力系统的网络结构，包括电力传输线路和变电站的布局，可以减少单点故障的发生，提高系统的恢复能力。
此外，采用现代化的通信和自动化技术，可以实现对电力系统的实时监测和远程控制，及时发现问题并进行调度。
电力行业——专业术语英文对照表
电力行业——专业术语英文对照表一．电气名词Electric items交（直）流Alternating (direct) current短路电流Short-circuit current起始次暂态短路电流Initial subtransient short-circuit current 冲击电流Impulse current稳态短路电流Steady state short-circuit current临界电流Critical current切断电流Rupturing current熔断电流Blow-out current故障电流Fault current计算电流Calculating current极限有限电流Limit effective current过电流Over current逆电流Inverse current整定电流Setting current额定电流Rated current电流密度Current density短路电流最大有效值Maximum effective value of short-circuit current高压High-voltage , High-tension低压Low-voltage , Low-tension计算电压Calculating voltage激磁电压Exciting voltage冲击电压Impulse voltage临界电压Critical voltage残留电压Residual voltage击穿电压Puncture voltage脉动电压Pulsating voltage供电电压Supply voltage电力电压Power voltage照明电压Lighting voltage灯丝电压Filament voltage额定电压Rated voltage电压损失Voltage loss过(欠)电压Over (under) voltage线路电压Line voltage电压降Voltage drop工作电压Working voltage一次电压Primary voltage二次电压Secondary voltage电源Electric source (power supply)自控电压Power supply for process control6kV 控制闪光电源Flashing supply for 6kV control 工作电源Working power supply (electric source) 保安电源Emergency power supply (electric source) 直流稳压电源Stabilized D.C. source控制电源Control supply直流电源D.C. source交流电源A.C. source负荷计算Load calculation设备容量Installed capacity需要容量Electric demand功率因数Power factor安装高度Mounting height耐电压Breakdown voltage工频耐压High-voltage test with working frequency 表面闪络Surface flash-over直流泄漏D.C. leakage体电阻率Volume resistivity介质损失角Dielectric loss angle击穿强度Puncture intensity电压等级Voltage grade比重Specific gravity性能Feature相序Phase sequence瞬时Instantaneous倾角Angle of inclination跨度Span正极Positive pole负极Negative pole截面(积) Cross section area辅助电源Auxiliary source遮断容量Interrupting capacity载流量Current-carrying capacity校正系数Correction factor连续负荷Continuous load长期载流量Continuous capacity长时间额定值Longtime rating电动机堵转电流Locked-rotor motor current限定负荷Limited load电感负荷Inductive load感应电流Induced current二．线路（母线、回路）Lines (Bus , circuits)母线Bus-bar合闸电源母线Closing power source bus闪光母线Flashing-bus备用母线Spare bus装在支柱上的插接式母线Post-supported plug-in bus way装在吊钩上的插接式母线Hook-supported plug-in bus way装在支架上的插接式母线Bracket-supported plug-in bus way 小母线Miniature bus电源小母线Power supply miniature bus操作小母线Operating miniature bus事故信号小母线Miniature bus for fault signal闪光小母线Flashing miniature bus主母线Main bus直流主母线D.C. main bus预告母线Prewarning bus干线Main line照明干线Lighting main line接地干线Grounding main line插座干线Receptacle main line电压干线Voltage main line端子出线Terminal outgoing中性线Neutral支线Branch-line引入线Lead-in电气线路Electric circuit交流配电线路A.C. distribution circuit直流配电线路D.C. distribution circuit事故照明线路Emergency lighting circuit控制线路Control circuit接地或接零线路Grounding or neutralizing circuit信号线路Signal circuit有接地极的接地线路网Grounding with grounding electrodes 定子绕组测温回路Temperature measuring circuit for stator winding接地信号回路Grounding signal circuit闪光信号回路Flashing-signal circuit开阀回路Circuit for opening valve关（闭）阀回路Circuit for closing valve开度计回路Circuit for opening meter电流测量回路Current-measuring circuit差动保护回路Differental protective circuit过流保护回路Over-current protective circuit合闸回路Closing circuit停车延时回路Delayed shutdown circuit掉闸回路Trip circuit激磁回路Exciting circuit备用回路Spare circuit主回路Main circuit馈路Feeder circuit现有回路Existing circuit单线回路Single-wire circuit接地回路Earthed circuit有电压的电路Live circuit三．设备Equipments高压开关柜H.V. switchgear动力配电箱Power distribution cabinet电源配电箱Source distribution cabinet直流配电屏D.C. switchboard (distribution panel)交流低压配电屏A.C.L.V. switchboard (distribution panel)静电电容器柜Static capacitor cabinet多种电源插销箱Receptacle box for miscellaneous power supplies控制箱Control cabinet照明配电箱Lighting (distribution panel)连接箱Junction box出线盒Outlet box开关箱Switch box控制台Console分段屏Sectionalizing panel进线屏Incoming line panel电控箱Electric control panel边屏Side board端子箱T erminal box供电盘Power supply box瓶车箱Synchronizing cabinet感应调压器专用变压器高压柜Special transformer H.V. cabinet for inductionvoltage regulator电压互感器柜Potential transformer cabinet信号屏Signal panel浮充屏Floating panel蓄电池屏Battery panel充电屏Charging panel母线联络柜Bus tie cabinet转换开关Transfer switch电压表转换开关Voltmeter change-over switch铁壳开关Metal-clad switch (Iron-clad switch)管式熔断器Cartridge fuse真空断路器Vacuum circuit breaker (V.C.B.)自动开关Automatic switch高压负荷开关H.V. load break switch三极高压断路器3-pole HV circuit-breaker刀开关Knife switch转换开关Transfer switch双极铁壳开关2-pole iron-clad switch风扇变速开关Fan speed regulator switch密闭照明灯开关Hermetic lighting switch防爆照明灯开关Explosion-proof lighting switch行程开关Limit switch高压隔离开关H.V. disconnecting switch明装单极板钮开关Surface-mounted single-pole toggle switch 暗装单极板钮开关Flush-mounted single-pole toggle switch 三路开关Three-way switch气密式组合开关Hermetic packet type switch防护式开关Guard type switch联锁开关Interlock switch操作方式选择开关Selecting switch for types of operation控制电源开关Switch for control supply主令开关Master switch (controller)多切点切换开关Multi-point change-over switch按钮Push-button控制按钮Control push-button防爆控制按钮Explosion-proof control push-button事故紧急按钮Emergency stopping push-button起动按钮Starting push-button停止按钮Stopping push-button现场按钮Push-button in field挡板damper音响解除按钮Push-button for sound release起动器Starter磁力起动器Magnetic starter综合起动器Combination starter (Magnetic starter combination)电力变压器Power transformer调压变压器Voltage regulating transformer电压互感器Potential transformer电流互感器Current transformer照明变压器Lighting transformer三相三绕组变压器3-phase tertiary winding transformer高压试验变压器H.V. testing transformer局部照明变压器Local lighting transformer多量程仪用电流互感器Multi-range current transformer for measurement降压变压器Step-down transformer伺服电动机Servo-motor双电压电动机Dual-voltage motor感应电动机Induction motor交流异步电动机A.C. asynchronous motor同步电动机synchronous motor三相滑环感应电动机3-phase slip-ring induction motor三相鼠笼感应电动机3-phase squirrel-cage induction motor 绕线式电动机Wound-rotor induction motor反应式电动机Reaction motor柴油发电机Diesel generator励磁发电机Excitation generator明装双极插座Surface-mounted 2-pole receptacle暗装双极插座Flush-mounted 2-pole receptacle双极带接地插座2-pole receptacle with grounding contact单相三孔明插座Surface-mounted single phase 3-pole receptacle防护式明装三相四孔插座Guard type surface-mounted 3-phase 4-pole receptacle配照型灯Standard dome lighting fitting搪瓷深照型灯Enameled high bay lighting fitting防水防尘灯Water and dust proof lighting fitting安全灯Safety lighting fitting隔爆灯Explosion-proof lighting fitting弯灯Goose-neck light壁灯Wall light高压水银灯High pressure mercury vapor lighting fitting 投光灯Flood-light (projection light)信号灯Signal lamp天棚灯Ceiling-mounted lighting fitting局部照明灯Local lighting fitting灯座Lamp holder事故照明灯Emergency lighting fitting高压水银荧光灯H.P. mercury fluorescent lighting fitting 广照型工厂灯Wide lit type industrial fitting深照型灯具High bay lighting fitting白炽灯具Incandescent lamp (bulb)圆球型灯Globe lamp嵌入式荧光灯flush type fluorescent lighting fitting红色障碍灯Red obstruction lamp for aviation厂区道路照明灯Street lighting in plant area路灯Street lamp视孔灯Inspection hole lamp立杆弯灯goose-neck post lamp , pole lamp模拟报警信号Semigraph and alarm signal自整角机Selsyn励磁机Exciter显示器Display电位器Potentiometer内电阻Internal resistance固定电阻（器） Fixed resistance脱扣Release , trip分励Shunt trip特殊失压脱扣器Special no-voltage release“或”开关放大器“Or” switch amplifier制动器Brake电容Capacitor整流器Rectifier镇流器Chock分流器Shunt油变阻器Oil immersed rheostat频敏电阻器Frequency sensitive rheostat滑线变阻器Sliding rheostat蜂鸣器Buzzer电机加热器Space heater (for motor)空气断路器电机操作机构Motor operating mechanism for air circuit-breaker可控硅励磁装置Silicon controlled rectifier excitation device 保护装置Protective device (element)闪光装置Flashing device接闪装置（避雷器） Lightning arrester断相保护Phase failure protection四．保护、继电器Protection , relays信号继电器Signal relay过电流继电器Over-current relay电压继电器Voltage relay时间继电器Time relay中间继电器Auxiliary relay热继电器Thermal relay温度继电器T emperature relay瓦斯继电器Gas relay控制电源中间继电器Auxiliary relay for control supply自动操作继电器Relay for auto-operation低电压继电器Under-voltage relay过电压继电器Over-voltage relay联锁继电器Interlock relay冲击继电器Impact relay合闸位置继电器Close position relay逆流继电器Reverse-current relay差流继电器Differential current relay差动继电器Differential relay电流继电器Current relay功率继电器Power relay接地继电器Earthing relay重合闸继电器Reclosing relay同步继电器Synchronous relay速动继电器Quick acting relay定时限继电器Definite time relay光电继电器Photoelectric relay电子继电器Electronic relay电磁式继电器Electromagnetic relay电动式继电器Electrodynamic relay气压继电器Gas-pressure relay继电器常开触点Relay N.O. contact继电器常闭触点Relay N.C. contact继电器保护触点（常开） Relay holding contact (N.O.)能自动返回的常闭按钮触点Self-return button with N.C. contact模拟信号触点Contact for semigraph signal强励磁接点Shock excitation contact电感线圈Induction coil电流线圈Current coil脱扣线圈Trip coil合闸线圈Close coil释放线圈Releasing coil掉闸线圈Tripping coil予告信号Prewarning signal掉闸回路断线信号Breakage signal of trip circuit断路器事故掉闸信号Fault trip signal of breaker掉闸音响信号Tripping audible signal重瓦斯预告信号Heavy gas prewarning signal温度预告信号Temperature prewarning signal手动、自动操作时事故信号Fault signal in manual/automatic operation保护掉闸Protective trip控制掉闸Control trip手动跳闸Manual trip变电所紧急停车Emergency shutdown at substation工艺故障Fault in process励磁故障Fault in excitation工作电源失电报警No-voltage alarm of working electric source工作电源分合闸On and off of working electric source工作电源投入Throw-in of working electric source保安电源送电supply of emergency electric source运转指示Indicating of operation投入指示Indicating of throw-in同步指示Indicating of synchronism延时停车Delayed shutdown电源切除Switch off the power supply速断及过流断通Instantaneous trip and over-current off/on自保持Self-holding自锁Self-lock联锁Interlocking绝缘监视Insulation supervision电压监视Voltage supervision联锁解除Release of interlock工作、保安电源切换Transfer of working and emergency power supply发电机与工作母线并车Synchronization of generator to working bus重瓦斯保护Heavy gas protection开或闭超扭矩保护Over-torque protection during opening and closing valve电机起动顺序Sequence of motor starting铭牌框注字Name plate denotation (inscription)五．电气仪表Electric instruments电流表Ammeter电压表Voltmeter三相三线有功电度表Three-phase three-wire kilowatt-hour meter , kWh meter单相电度表Single-phase kilowatt-hour meter三相无功电度表Three-phase kilovar-hour meter有功功率表Active power meter , kilowatt meter无功功率表Reactive power meter , kilovar meter三相瓦特表(功率表) Three-phase watt meter功率因数表Power factor meter频率表Frequency meter验电流器Galvanoscope欧姆表Ohmmeter相位表Phase meter转速表Tachometer波长表Wave-length meter三相四线制标准电度表3-phase 4-wire standard watthour-meter过载电流表Overload ammeter低功率因数瓦特表Low power-factor wattmeter交直流两用钳型电流表A.C./D.C. multi-purpose tongtester兆欧表Megger , Megohmmeter万用表Avometer微安表Microammeter毫安表Milliammeter各种测量仪表Various kind of measuring instruments接地电阻测量仪Earthing resistance tester真空管电压表Vacuum tube voltmeter电动秒表Electric second-meter六．防雷Lightning protection避雷装置Lightning protector避雷针Lightning rod避雷带Strap type lightning protector避雷网Network of lightning protector避雷针支架Lightning rod support避雷针尖Tip of lightning rod避雷针拉铁Brace for lightning rod避雷器Lightning arrester , surge discharger球型避雷器Spherical arrester管形避雷器Tubular arrester阀形避雷器Auto-valve arrester低压避雷器Low voltage arrester角形避雷器Horn arrester多隙避雷器Multigap arrester铝避雷器Aluminum cell arrester氧化膜避雷器Oxide film arrester击穿保险器Puncture lightning arrester雷击Lightning stroke直接雷击Direct lightning stroke感应雷击Induction lightning stroke雷电日Thunderbolt days雷电或然率Lightning and thunder probability 触电Electric shock静电感应Electrostatic induction七．接地Grounding , earthing接地保护Ground protection , earth protection 防雷接地Grounding for lightning保护接地Protective earthing人工接地Artificial grounding工作接地Working grounding , working earthing 重复接地Multiple earthing屏蔽接地Screen earthing , shielding ground中性点接地Neutral point grounded接地系统Grounding system , earthing system 接地故障Ground fault , earth fault单相接地Single phase earthing母线接地Bus ground接地装置Grounding device , earthing device引下线Down-lead , down conductor引下线固定Clamping plate of support for fixing 支架夹板Down lead引下线固定支脚Support for fixing down lead接地线Ground connector接地干线Ground(ing) main , (bus)接地网Grounding network , earthing network接地极Earth electrode (pole)接地电阻Earth resistance接地电路Earth (ground) circuit连接条Connecting strip断接卡Connecting clamp八．室、所Room , Substation贮藏室Storage套间Compartment蓄电池室Battery room控制室Control room配电室Distribution room维修间Repair room变电所Substation高压配电室H.V. distribution room休息室Rest room九．电修车间设备Equipments of electric repair砂轮机Emery wheel grinder台钻Bench drilling machine交流电焊机A.C. welding machine移动式空气压缩机Portable air compressor手电钻Electric hand drill单速手摇绕线机Single speed hand winding machine导线钳压器Wire jointing press-clamp油压千斤顶Hydraulic jack电吹尘器Electric dust cleaner存放柜Store chest高压试验变压器H.V. testing transformer泄漏试验变压器Leakage testing set大电流发生器Strong current generator油浸自冷感应调压器Oil-immersed self-cooled inductionvoltage regulator多量程仪用电流互感器Multi-range current transformer for measurement仪用电感互感器Instrumental voltage transformer单相自耦变压器Single-phase auto-transformer三相自耦变压器3-phase auto-transformer硅整流器Silicon rectifier仪表试验台T esting stand for instrument接触器，继电器试验台Relay and contactor testing stand慢扫描示波器Slow scanning oscillograph交流电子稳压器A.C. electronic voltage stabilizer携带式交流电桥Portable A.C. electric bridge接地电阻测量仪Earthing resistance tester电缆故障探伤仪Cable fault detector直流单臂电桥D.C. single-arm electric bridge , Wheatstone bridge十．材料Material绝缘包布Insulating tape填料Filler , packing绝缘膏Insulating compound电缆膏Cable compound防腐油Anti-corrosive oil沥青漆Bituminous varnish绝缘漆Insulating varnish瓷漆Enamel varnish有色金属Non-ferrous metal黑色金属ferrous metal白金属White metal云母Mica环氧树脂Epoxy resin聚氯乙烯Polyvinyl chloride , PVC 蜡Wax滑石粉Talc powder电胶木Bakelite聚丙烯外壳Polyacrylic cover耐油橡胶管Oil-proof rubber tubes 接地铜线Grounding copper wire 垫圈Pad塑料绝缘线Plastics insulated wire 橡套电缆Rubber sheathed cable 中间接头Splice填充剂Filling agent绝缘电线Insulated wire移动软电缆Movable flexible cable 补偿导线Extension wire套管Bushing母线槽Busway悬索Cable suspension滑触线Trolley conductor镀锌煤气管Galvanized gas pipe镀锌角钢Galvanized steel angle镀锌扁钢Galvanized steel strap钢丝绳Steel wire rope电笛Siren电磁阀Electromagnetic valve连接片Connecting link切换片Transfering link端子排T erminal board半导体二极管Semiconductor diode 开度计Opening meter逻辑元件Logical element接线盒Junction box仪表槽板Instrument trunking电缆吊架Cable hanger出线套Outgoing line sleeve十一．图名Drawings , diagrams电气图纸目录Contents of electric drawings电力系统图Electric power system diagram照明系统图Lighting system diagram电力平面布置图Electric power layout plan照明平面布置图Lighting layout plan单线图One line diagram控制箱面部布置图Surface arrangement of control box 背部接线图Back wiring (diagram)外部接线图External (outside) wiring diagram内部接线图Internal (inside) wiring diagram控制原理图Principle control diagram原理图Schematic diagram展开图Developed diagram电气标准图Electric standard drawing电气施工图Electric working drawing复用图Reproducibles (drawing)电缆联系图Cable hook-up diagram转换开关接点图Contact diagram of transfer switch箱侧视图Side view of box正视图Front view , facade背视图Back view剖面图Section参考图Reference drawing电缆敷设图Cable laying diagram箱内框架布置图Arrangement of frames inside the cabinet控制箱台面展开图Surface developed diagram of console出线端子示意图Schematic diagram of terminal outgoing lines 端子接线图Diagram of terminal connections电气管线表List of wire , cable and conduits设备材料表List of equipment and materials十二．表头Tables电力系统图Power system diagram引入线Lead in保护设备Protective device型号Type额定值Rating整定值Setting主启动设备回路Circuit to starting device导线型号、芯数、截面及管径Conductor type , cores , section & diameter of conduit线长Wire length管长Conduit length启动设备Starting device型号规格Type , specification保护元件Protective element计量装置Calculating device用电设备主回路Main circuit of electric equipment控制回路Control circuit控制装置Control device用电设备Electric equipment设备容量Consumer capacity生产设备Production equipment位号No. of location名称Name备注Remarks引入线Feed in配电箱Distribution cabinet型号及编号Type and No.开关型号Switch type保护装置Protective device回路编号Circuit No.相别Phase灯数Number of lamps插座数Number of receptacles电缆编号No. of line起点Starting终点Ending母线截面Section of bus零母线Neutral bus屏编号Panel No.型号及方案号Type and variant No.控制原理图号Principle control diagram工艺位号Process item No.十三．标准图词汇Terms from standard DWG电工系统图图形符号Graphic symbols for electric system交流电的相别A.C. phase sequence直流电的正负极D.C. positive and negative poles有中性点引出线的星形连接的三相绕组Star-connected three phase windings withneutral outlet开口三角形连接的三相绕组3-phase winding with open delta connection互相连接的导线Cross connection of wires不连接的跨越导线Crossing wires not in contact with eachother可拆卸的电气连接Removable connection电缆终端头Pothead of cable or cable end自耦变压器Auto-transformer感应调压器Induction voltage regulator凸极同步电动机Salient pole synchronous motor带接换装置的蓄电池组Accumulator battery with tap-changers 空气断路器Air circuit-breaker保持触点Holding contact热元件Thermal element自动复位的操作开关Spring-return operating switch插接器Plug-in connector电喇叭Horn电炉Electric furnace分流器Shunt可控硅整流箱屏Silicon controlled rectifier box panel直流配电屏D.C. distributing panel磁力起动器组Magnetic starter group自动开关箱Automatic switch box行程开关Limit switch局部灯Local lighting fitting荧光灯列Series fluorescent lighting fitting防护式灯开关Protective switch导线引上Conductors turning up导线引下Conductors turning down导线由上引来Conductors turning from above导线由下引来Conductors turning from below电缆沟Cable trench调压器Voltage regulator隔离变压器Isolating transformer击穿保护器Puncturing safety device晶体管Transisorized diode地坪Grade level电缆与水管平行Cable running parallel to a water supply pipe 电缆与热力管道交叉敷设Cable running across heat pipeline 车道Drive way电缆穿管与管道交叉Cable protective pipe across a pipeline 双(单)侧支架电缆沟Trench with rack on both sides (one side) 室外地坪Outdoor grade跨接线Jumper金属软管Flexible metal tube过渡接头Adapter电气工程及其自动化专业术语翻译transistor 晶体管audion 三极管capacitance 电容Diesel 柴油机AC- motors 交流电机transistorcoupling 联结耦合current carrying capacity 载流能力（最大允许电流）conductivity 传导性in isolation 绝缘lead 导线leakage current 泄漏电流inductance 感应系数loops 线圈macroprocessor 微处理器multimedia show 多媒体展示medium-power distribution 中压配电motor and soft starters 电机及软起动器numerical controls 数控系统optimal 最佳的，最理想的overload relays 过载继电器overshoot 过冲peak current 峰值电流power dissipation 电力分散process automation 过程自动化process instrumentation and analytics 过程仪表及分析仪器punch 穿孔，冲压reactance 电抗recharge 再充regulated power supply 稳压电源resistance 阻抗resistor 电阻器resonate 共振self-inductance 自感应series inductance 串联感应simulation 模拟switching 配电；交流thermal cycle 热循环thickness 厚度voltage regulator 调压器warping 扭曲，变形wiring layout 线路配置图AC-drives 交流变频器asymmetrical 非对称的attenuation 衰减bridged impedance 桥接阻抗cable bridge 电缆桥架charge 电荷circuit schematic diagram 电路原理图解coefficient 系数configuration 构造constant 常量copper sheet 铜片damping 阻尼decomposition 分解decouple 分离delay circuit 延迟电路dielectric sheets 介电原片diode clamping 钳位edge connector 边缘连接器electrical infrastructure 电气基础设施electrical installation 电气安装技术equations set 方程组four-layer 四层hookup 接线图human machine interface 人机界面impedance 阻抗incidence 入射incident wave 入射波incorporated 合成一体的instantaneous 瞬间的interleaved 交叉load admittance 负载导纳lumped 集中的modal 模式的modeling 建模motor management systems 电机管理系统mounting pads 安装垫片noise margins 噪音安全系数proximity effect 邻近效应radian 弧度resistive 有抵抗力的schematic 示意图services & industry solutions 服务和工业解决方案terminator 终结器undershoot 负脉冲信号；下。
电力系统专业单词中英文对照
常用专业词汇中英文对照屏蔽双绞pair twisted screened常闭接点normally closed contact常开接点normally open contact备自投Automatic Takeover to Stand-by Supply遥信Remote indicationUnit-generator step-up transformers发变组Be subject to 服从于Step-up transformer升压变High-side(high voltage side) of the transformer变压器高压侧Low-side of the transtormer变压器低压侧Magnetizing inrush current励磁涌流Undervoltage Load Shedding 低电压甩负荷Margin 余地边界页面空白利润Yield 产生Dilute 冲淡稀释This includes compliance with IEEE and IEC standards for electrostatic discharge, fast transients, radiated emissions, surge-withstand capability, dielectric strength, pulsed magnetic fields, and disturbances.Specify optional具体指定的选择Open CT-------CT断线open or shorted CT conditions-------CT断线或短路状态including single- and dual-busbar, transfer-bus, tie-breaker分段Buscoupler 母联（母线并联）breaker-and-a-half, ring-bus, and double-bus/double-breakerconfigurations.重瓦斯heavy gasAccessories附件Bypass旁路，分流，绕开Inflexion拐点is converted to转换为over-current blocked by complex voltage复合电压闭锁过流Advances the State of the Art先进的技术发展水平act in concert（音乐会）with与…相呼应in minimum operation mode 最小运行方式in conjunction with与…协力disconnect auxiliary contacts. 隔离刀辅助接点（SEL说明书）Buscoupler母联（SEL说明书）tie-breaker分断断路器（SEL说明书）Coupler Security Logic母联逻辑（SEL说明书）Tag n标签，vt加标签Put tag贴标签Have you put tags on your luggage?Transfer Bus 旁母Main bus 主母Dedicated 专用的优点与缺点advantages and disadvantages极性标记（同名端）Polarity markconservative settings 保守的定值（笨的定值）开口三角Broken-Delta ；Open-Delta减出力decrease power output突然加电inadvertent energization励磁field失磁out-of-field合闸位置 closed position（肯定对）分闸位置 open position（肯定对）/trip position防跳 antibumping原理图Elementary Diagram接线图 Wiring Diagram单线图 One Line Diagram方块图、结构图 Block Diagram展开图 Developing Diagram简图 Schematic Diagram略图 Schema控制转换开关Control and Transfer Switch多层开关 Multiple Switch多功能开关 Multi-Function Switch把手、手柄 Handle端子箱 Terminal Cabinet端子排 Terminal Block监视 Monitoring测量 Metering瓦斯保护继电器 Buchholz Protector动作机理Mechanism of Action操作机构Operation Mechanism转换 Commutate保护动作 Protection Action启动 Starting up升高/降低（动） Raise/Go down升高/降低（动） Raise/Reduce增加/减少 Increase/Decrease高/低（名） Upper/lower接地 Grounding接地 Earthing压板 Clamp辅助结点 Auxiliary Contact电流回路测试盒 Test Block隔离刀闸 Isolator隔离刀闸 Disconnectorshielded twisted pair屏蔽双绞线intelligent electrical device 智能测控装置generator 发电机transformer 变压器/互感器motor 电动机meter 仪表power automation system 电力自动化系统phase mark相别substation automation system 变电站自动化系统oscillation /swing振荡chip 芯片resolution 分辨率relay 继电器parameter 参数frequency 频率power factor 功率因数2×16 character liquid crystal display 2行X16字符液晶显示dual RS485 communication interface 带双路RS-485通信接口three-phase voltage/current input 三相电压/电流输入active power 有功功率reactive power 无功功率configuration 配置maintenance 维护debugging 调试live wire 火线SOE(sequence of event) 事件顺序记录transient process暂态过程Input/output 输入/输出transducer 变送器rated voltage/current/frequency 额定电压/电流/频率impedance 阻抗earthing resistance 接地电阻circuit breakers 断路器vacuum circuit breakers 真空断路器rated main busbar current 主母线额定电流enclosure/internal 外壳/内部supply voltage/current 电源电压/电流petrolic engine 汽油发动机diesel engine 柴油发动机micro ammeter 微安表high voltage testing transformer 高压试验变压器metallic door handle金属门把手DC double bridge 直流双臂电桥transformer ratio bridge 变压比电桥relay protection tester 继电保护测试仪micro ohmmeter 微电阻测量仪earthing resistance meter 接地电阻表digital multimeter数字万用表megohmmeter 兆欧表electronic megohmmeter 电子兆欧表power distribution compartment 配电室alternation switch 转换开关high/low voltage switchgear高/低压开关柜earthing knife switch 接地刀开关interlocking device 连锁装置hexagonal rotation axis 六角转轴back cover board 后盖板fuse 熔断器AI (analog input) 模拟量/遥测量cable incoming, outgoing 电缆进、出线breaking capacity 开断容量arrester 避雷器electrical equipment 电气设备busbar 母线load switch 负荷开关secondary components 二次元件truck 手车earthing line 接地线coil 线圈contactor 接触器sensor 传感器winding 绕组high voltage output 高压输出AC withstand voltage test 交流耐压试验earthing bar 接地棒attracting voltage 吸合电压releasing voltage 释放电压protection device sampling debugging 装置采样调试protection device instantaneous over-current debugging 装置速断保护调试protection device definite-time over-current debugging 装置过流保护调试zero-sequence protection debugging 装置零序保护调试pressure relief flap压力释放板branched busbar 分支母线bottom board 底板removable partition装卸式隔板secondary plug二次插头small busbar terminal box 小母线端子terminal block端子排disconnect contact device 隔离触头装置control wire duct控制线槽feeder 一回输电线路semiconductor 半导体mechanical endurance机械寿命electrical endurance 电寿命operation startup current 操作启动电流rectifier 整流器tripping current of the opening coil 分闸线圈脱扣电流monitor 监视器connection diagrams 接线图polarity极性power supply units and master modules 主控机与电源单元coupling modules 耦合模块accessories 附件analog modules 模拟量模块application modules 应用模块digital input/output modules 数字量输入/输出模块brake contact制动接点overvoltage protection module 过电压保护模块station board 配电屏electromechanical 机电一体thermistor 热敏电阻baud rate 波特率superconductor 超导体power plant 发电厂tap 分接头LED（light-emitting diode）发光二极管controller 控制器hydraulic power plant 水电站instrument board 仪表盘UPS (Uninterruptable Power Supply) 不间断电源indicator 指示器DC (direct current) 直流AC (alternating current) 交流active defect 运行故障active output 有功输出active-power loss 有功功率损耗active standard 现行标准AC voltage stabilizer 交流稳压器pulse 脉冲air switch 空气开关water vapor 水蒸汽terminal board 接线板short-circuit 短路shielding layer 屏蔽层export 导出electricity measurement 电量测量signal acquisition 信号采集LCD (liquid crystal display) 液晶显示remote communication 远程通信dual RS485 communication interface 双路RS485通信接口three-phase voltage/current input 三相电压/电流输入protocol 规约,协议four digital inputs 4路数字量输入rolling record 循环记录V，I，P，Q，F，Cosф，E电压、电流、有功功率、无功功率、频率、功率因数、有功电度voltage/current transformation ratio 电压/电流变比photoelectric isolation 光电隔离PT (potential transformer) 电压互感器default value 默认值CT (current transformer) 电流互感器calibration parameter 校准参数RMS (root mean square) 均方根，有效值filmy button 薄膜按键Wye system 星形系统energy counter input 电度chain controller 回路控制器message format 报文格式DI (digital input) 遥信量real-time data 实时数据power energy 电能front panel 面板bit change 变位electromagnetic fields 电磁场intelligent switching cabinet 智能开关柜form-C dry contact C型干触点Integrated substation automation 变电站综合自动化Harmonic 谐波Wave recorder 录波Workstation 工作站Public electric utility 市电电源Central alarm unit for electric fire leakage 电气火灾漏电集中告警器Computer protection system计算机保护系统Industry and building substation and distribution automation system 工业及楼宇变配电自动化系统Communication control unit 通讯主控单元Three-phase operation box 三相操作箱Voltage switch box 电压切换箱Transformer extension relay box 变压器重动箱Neutral point earthing resistance cubicle 中性点接地电阻柜Hydraulic car crane 液压汽车吊Automotive truck 载重汽车Coach 载人客车Mobile machinery shop with four seats 双排座工程车Hydraulic fork lift truck液压叉车Engine driven capstan 机动缴磨Welding machine 电焊机Press pliers压接钳Chain wheel 链条葫芦Bench drill 台钻Electric portable drill 手电钻Churn drill 冲击钻Jack 千斤顶Welding tool 气焊工具Electromotive refacer 电动磨光机Petrol gas heating 石油气加热项目Bolt clipper 断线钳Tensile strength meter 拉力表Moment spanner 力矩扳手Adjustable auto transformer 自藕调压器Phase sequence meter 相序表Withstand voltage tester 耐压试验装置Water level 水准仪Stop watch 秒表Micro-ohmmeter 微欧计Micro-processor protection panel 微机保护屏Fundamental current 基波电流Power transmission and substation engineering 输变电工程Electric Supply Authority 供电局Schweitzer Engineering Laboratories SEL公司全称储能 charging合闸 closing分闸 opening绝缘 insulation性能 performance过载 overload故障 fault多路传输 multiplex transmission备用 back-up比特、位 bit检修 overhaul冗余的 redundancy消耗 consumption冷却 cooling有功的active放大 amplify人造的 artificial手工的,人工的 manualFARAD 200 SEA4.0软件类(software)parallel interface 并行接口serial interface 串行接口application management 应用程序管理clipboard 剪贴板event system 事件系统browser 浏览器event log 事件日志removable storage 可移动存储routing and remote access 路由与远程访问server 服务器daily qualification rate 日合格率inhibit operation 禁止操作tele-indication blockage 遥信封锁invalid object 对象无效exactitude rate/success rate 正确率/成功率event handling 事件处理designer 设计人员operator 操作人员remote access server 远程访问服务器paste function 粘贴函数database 数据库file 文件edit 编辑view 视图insert (v.) insertion (n.) 插入tools 工具format 格式paste special 选择性粘贴alignment 对齐font 字体favorite 收藏夹peak value 峰值valley value 谷值normal(level) value 平值hyperlink 超级链接development environment 开发环境operation environment 运行环境graphic edit 图形编辑alarm event and handling 报警事件及处理PDR and recurrence 事故追忆与重演history data and real-time data retrieval 历史数据与实时数据检索fault diagnosis 故障诊断dual computers hot standby 双机热备remote maintenance 远程维护front controller 前端控制器thread 线程multimedia graphical user interface 多媒体图形界面transparent network technology 透明网络技术data acquisition technology 数据采集技术micro-kernel control and dispatching technology 微内核控制调度技术virtual reality scenes 虚拟现实场景variable 变量node 节点dynamic/line/fill/text property 动态/线/填充/文本属性time strings 时间串hotkey 热键alarm dead band 报警死区customization 定制reference frequency 基准频率window position fixation 窗口位置固定initialization full-screen display 初始化全屏显示initialization picture adaptation 初始化画面自适应task manager 任务管理器alarm appearance color 报警消失颜色synchronization 同步network congestion 网络堵塞supervisory control picture 监控画面homepage 主页print preview 打印预览standard serial port communication 标准串口通讯slash 斜线backslash 反斜线more/greater than 大于号less than 小于号asterisk 星号period 句号question mark 问号quotation mark 引号vertical bar 竖线transverse line 横线colon 冒号semicolon 分号parity check 奇偶校验data mapping table 数据映射表scroll bar 滚动条refresh 刷新list box 列表框bypass replacement 旁路替代bitmap file 位图文件consolidate 合并gateway 网关grid structure 网状结构subassembly programming 组件编程single-server 单机multi-server 多机browsing station 浏览站ODBC: Open Database Connectivity 开放式数据库互连distributed system architecture 分布式系统结构template database 模版库dual-device/computers/network redundancy 双设备/机/网络冗余history/curve database 历史/曲线数据库alarm voice file 报警语音文件pop-up picture file 弹出画面文件default path 缺省路径high-density curve 高密度曲线analog data overview模拟量一览digital data overview 开关量一览counter input data overview 电度量一览real-time alarm 实时报警communication fault 通讯故障report system 报表系统electrical report function 电力报表函数load 加载invoke 调用communication driver 通讯驱动snapshot 快照expression 表达式operational status 运行状况user manual 用户手册free disk space 硬盘余留空间program group 程序组registration number 注册号system/network configuration 系统/网络配置user right 用户权限auto start 自动启动password 口令shortcut 快捷方式directory for storing executable program 可执行程序存放目录auto logon 自动登录operation ticket 操作票symbol directory 图元库目录menu bar 菜单栏activate 激活project database 工程数据库table control 表格控件enable dual-computers hot standby 双机热备投用standby server query period 备机查询周期timeout time 超时时间history database synchronization days 历史数据库同步天数computer table 计算机表dial-up workstation 拨号工作站standard serial port communication 标准串口通讯upper/lower computer 上/下位机remark 备注object table 对象表logic relationship 逻辑关系interval 间隔deletion (n.) delete (v.) 删除power equipment 电力设备read only 只读prompt 提示subdirectory 子目录current directory 当前目录command/channel timeout 命令/通道超时master station address 主站地址title bar 标题栏toolbar 工具栏previous 上页next 下页picture file 图形文件real-time bar chart 实时棒图subsection electricity bar chart 分段电量棒图logout 退出，退路multi-electricity pie chart 多电量饼图printout 打印输出print setup 打印设置zoom in 缩小zoom out 放大scroll display 滚动显示daily/monthly report 日/月报表unqualified daily minutes 日不合格分钟数average value 平均值monthly trips due to faults月故障跳闸次数monthly repair time 月检修时间reactor电抗器The fuse blew out and the house was in darkness.保险丝烧断使得整个房子漆黑一片。
发电设备可靠性评价指标
发电设备可靠性评价指标发电设备是电力系统中的重要组成部分，其可靠性评价是保证电力系统安全稳定运行的重要环节。
发电设备的可靠性评价指标涉及多个方面，以下是一些常见的指标：1.平均故障间隔时间（MTBF，Mean Time Between Failures）：指设备连续工作期间平均无故障的时间长度，它反映了设备的稳定性和寿命。
2.平均修复时间（MTTR，Mean Time To Repair）：指设备发生故障后修复所需的平均时间。
MTTR较短说明设备故障后能够快速恢复运行，有较高的可靠性。
3.故障率（FR，Failure Rate）：指在单位时间内设备发生故障的频率，它可以通过设备的故障次数除以使用时间来计算。
故障率低则说明设备可靠性高。
4.可用性（Availability）：可用性是设备工作正常的时间与总时间之比，即设备无故障运行的时间与设备总运行时间的比值，通常以百分比来表示。
可用性高说明设备较少发生故障，对电力系统的供电稳定性有积极影响。
5.失效模式、失效效果和扩展维修（FMEA，Failure Mode and Effects Analysis）：FMEA是通过分析设备的故障模式、失效效果和可能引发的后果来评估设备的可靠性。
通过FMEA评估，可以发现设备可能的失效模式，及时采取预防措施，减少设备故障的发生。
6.可恢复能力（Resilience）：指设备在发生故障后恢复正常运行的能力。
可恢复能力较高的设备可以尽快恢复供电，减少停电时间，提高电力系统的可靠性。
7.平均故障间隔指数（MTBFi，Mean Time Between Failures index）：MTBFi是指设备在发生首次故障后持续工作一段时间内再次发生故障的平均时间长度。
MTBFi能够反映设备在故障修复后的可靠性。
8.平均维修时间指数（MTTRi，Mean Time To Repair index）：MTTRi是指设备在发生故障后修复所需的平均时间长度。
有关电力系统自动化中英文翻译资料
外文资料翻译Power System AutomationPower system integration is the act of communication data to, or among IED s in the I&C system and remote users. Substation integration refers to combining data from the IED′s local to a substation so that there is a s ingle point of contact in the substation for all of the I&C data. Poletop devices often communicate to the substation via wireless or fiber connections. Remote and local substation and feeder control is passed through the substation controller acting as a single point of contact. Some systems bypass the substation controller by using direct connections to the poletop devices, such as RTU s, protective relays, and controllers.Power system automation is the act of automatically controlling the power system via I&C devices. Substation automation refers to using IED data, control and automation capabilities within the substation, and control commands from remote users to control power system devices. Since true substation automation relies on substation integration, the terms are often used interchangeably.Power system automation includes processes associated with generation and delivery of power. A subset of the process deal with delivery of power at transmission and distribution levels, which is power delivery automation. Together, monitoring and control of power delivery system in the substation and on the poletop reduce the occurrence of outages and shorten the duration of outages that do occur. The IED′s, communications protocols, and communications methods described in previous sections, work together as a system to perform power system automation.Though each utility is unique, most consider power delivery automation of transmission and distribution substation and feeders to include :Supervisory Control and Data Acquisition(SCADA)-operatorsupervision and control;Distribution Automation-fault location, auto-isolation, auto-sectionalizing, and auto-restoration;Substation Automation-breaker failure, reclosing, battery monitoring, dead substation transfer, and substation load transfer;Energy Management System (EMS)-load flow, VAR and voltage monitoring and control, generation control, transformer and feeder load balancing;Fault analysis and device maintenance.System without automated control still have the advantages of remote monitoring and operator control of power system devices, which includes: Remote monitoring and control of circuit breakers and automated switches;Remote monitoring of non-automated switches and fuses;Remote monitoring and control of capacitor banks;Remote monitoring and voltage control;Remote power quality monitoring and control.IED s described in the overview are used to perform power system integration and automation. Most designs require that the one IED act as the substation controller and perform data acquisition and control of the other IED s. The substation controllers is often called upon to support system automation tasks as well. The communications industry uses the term client/server for a device that acts as a master, or client, retrieving data from some devices and then acts as a slaver, a server, sending this data to other devices. The client/server collecting and concentrating dynamically. A data concentrator creates a substation databases by collecting and concentrating dynamic data from several devices. In this fashion, essential subsets of data from each IED are forwarded to a master through one data transfer. The concentrator databases is used to pass data between IED s that are not directly connected.A substation archive client/server collects and archives data from several devices. The archive data is retrieved when it is convenient for the userto do so.The age of the IED s now in substations varies widely. Many of these IED s are still useful but lack the most recent protocols. A communications processor that can communicate with each IED via a unique baud rate and protocol extends the time that each IED is useful. Using a communications processor for substation integration also easily accommodates future IED s. It is rare for all existing IED s to be discarded during a substation integration upgrade project.The benefits of monitoring, remote control, and automation of power delivery include improved employee and public safety, and deferment of the cost of purchasing new equipment. Also, reduced operation and maintenance costs are realized through improved use of existing facilities and optimized performance of the power system through reduced losses associated with outages and improved voltage profile. Collection of information can result in better planning and system design, and increased customer satisfaction will result from improved responsiveness, service reliability, and power quality.Power system automation includes a variety of equipment. The principal items are listed and briefly described below.Instrument transformers are used to sense power system current and voltage. They are physically connected to power system apparatus and convert the actual power system signals, which includes high voltage and current magnitudes, down to lower signal levels.Transducers convert the analog output of an instrument transformer from one magnitude to another or from one value type to another, such as from an ac current to dc voltage.As the name implies, a remote terminal device, RTU, is an IED that can be installed in a remote location, and acts as a termination point for filed contacts. A dedicated pair of copper conductors are used to sense every contract and transducer value. These conductors originated at the power system device, are installed in trenches or overhead cable trays, and are then terminated on panels within the RTU. The RTU can transfer collected data to other devices andreceive data and control commands from other device through a serial port. User programmable RTUs are referred to as “smart RTUs.”A communication switch is a device that switches between several serial ports when it is told to do so. The remote user initiates communications with the port switch via a connection to the substation , typically a leased line or dial-up telephone connection. Once connected, the user can route their communication through the port switch to one of the connected substation IEDs. The port switch merely “passes through” the IED communication.A meter is an IED that is used to create accurate measurement of power system current, voltage, and power values. Metering values such as demand and peak are saved within the meter to create historical information about the activity of the power system.A digital fault recorder ,is an IED that records information about power system disturbances. It is capable of storing data in digital format when triggered by conditions detected on the power system. Harmonics, frequency, and voltage are examples of data captured by DFRs.Load tap changer are devices used to change the tap position on transformers. These devices work automatically or can be controlled via another local IED or form a remote operator or process.Recloser controllers remotely control the operation of automated reclosers and switches. These devices monitor and store power system conditions and determine when to perform control actions. They also accept commands form a remote operator or process.电力系统自动化电力系统集成是在I&C系统中的IED和远程用户之间进行数据通信的操作。
电力系统继电保护中英文对照表
电力系统继电保护中英文对照表中文词汇英文词汇电力系统Power system继电保护Relay protection保护装置Protective device故障Fault故障电流Fault current故障检测Fault detection故障分类Fault classification故障定位Fault location故障记录器Fault recorder过电压保护Overvoltage protection过电流保护Overcurrent protection地电流保护Earth current protection短路Short circuit短路电流Short circuit current瞬时值Instantaneous value时限值Time limit value跳闸Tripping启动电流Starting current感应式电流互感器Inductive current transformer 压板式电流互感器Plate-type current transformer 合闸Closing开关刀闸Switch disconnector接地刀闸Ground disconnector电流互感器Current transformer功率互感器Power transformer电压互感器Voltage transformer电流差动保护Current differential protection 电压差动保护Voltage differential protection 闭锁Blocking重保Backup protection保护跳闸Protection tripping故障保护Fault protection过零保护Zero-crossing protection过频保护Over-frequency protection沉侵保护Inrush protection远方保护Remote protection就地保护Local protection瞬变保护Transient protection空气开关Air switch隔离开关Isolation switch封闭开关Enclosed switch电力系统自动化Power system automation 故障指示灯Fault indicator电源Power supply接线Wiring电流Current电压Voltage功率Power频率Frequency相位Phase直流Direct current交流Alternating current以上是电力系统继电保护中英文对照表，希望对您有所帮助。
电力系统继电保护中英文对照表
1 Directional protection方向保护2 Distance protection距离保护3 Over current protection过流保护4 Pilot protection高频保护5 Differential protection差动保护6 Rotor earth-fault protection 转子接地保护7 Stator earth-fault protection 定子接地保护8 Over fluxing protection过励磁保护9 Back-up protection后备保护11 Sequential tripping顺序跳闸12 Start up/Pick up起动13 Breaker断路器14 Disconnecting switch隔离开关15 Current transformer电流互感器16 Potential transformer电压互感器17 Dead zone/Blind spot死区18 Vibration/Oscillation振荡19 Reliability可靠性20 Sensitivity灵敏性21 Speed速动性22 Selectivity选择性23 Step-type distance relay分段距离继电器24 Time delay延时25 Escapement/interlock/blocking 闭锁26 Incorrect tripping误动27 Phase to phase fault相间故障28 Earth fault接地故障29 Through- fault穿越故障30 Permanent fault永久性故障31 Temporary fault瞬时性故障32 Overload过负荷34 Contact multiplying relay触点多路式继电器35 Timer relay时间继电器40 Ground fault relay接地故障继电器41 Recloser重合闸42 Zero-sequence protection零序保护43 Soft strap软压板44 Hard strap硬压板45 High resistance高阻46 Second harmonic escapement 二次谐波制动47 CT line-breakCT断线48 PT line-breakPT断线49 Secondary circuit二次回路50 AC circuit breaker交流开关电路51 AC directional over current relay 交流方向过流继电器52 Breaker point wrench开关把手53 Breaker trip coil断路器跳闸线圈54 Bus bar母线; 导电条55 Bus bar current transformer母线电流变压器56Bus bar disconnecting switch分段母线隔离开关57Bus compartment母线室; 汇流条隔离室58Bus duct母线槽; 母线管道59Bus hub总线插座60Bus line汇流线61Bus insulator母线绝缘器62Bus request cycle总线请求周期63Bus reactor母线电抗器64Bus protection母线保护65Bus rings集电环66Bus rod汇流母线67Bus section reactor分段电抗器68Bus structure母线支架; 总线结构69Bus tie switch母线联络开关70Bus-bar chamber母线箱71Bus-bar fault母线故障72Bus-bar insulator母线绝缘子73Busbar sectionalizing switch 母线分段开关74Current attenuation电流衰减75Current actuated leakage protector电流起动型漏电保护器76Current balance type current differential relay电流平衡式差动电流继电器;差动平衡式电流继电器77Current changer换流器78Current compensational ground distance relay电流补偿式接地远距继电器79Current consumption电流消耗80Coil adjuster线圈调节器81Coil curl线圈82Coil current线圈电流83Coil end leakage reactance线圈端漏电抗84Coil inductance线圈电感85Current transformer phase angle电流互感器相角86Distance relay; impedance relay阻抗继电器87Power rheostat电力变阻器88Electrically operated valve电动阀门89Electrical governing system电力调速系统90Field application relay励磁继电器; 激励继电器91High tension electrical porcelain insulator 高压电瓷绝缘子92Option board任选板; 选配电路板; 选择板93Oscillator coil振荡线圈94Over-V oltage relay过压继电器95Power factor relay功率因素继电器96Protection against overpressure超压防护97Protection against unsymmetrical load 不对称负载保护装置98Protection device保护设备; 防护设备99Protection reactor保护电抗器100Protection screen保护屏101Protection switch保护开关102Insulator cap绝缘子帽; 绝缘子帽103Insulator chain绝缘子串; 绝缘子串104Insulator arc-over绝缘子闪络; 绝缘子闪络105Insulator arcing horn绝缘子角形避雷器; 绝缘子角形避雷器106Insulator bracket绝缘子托架; 绝缘子托架107Impedance compensator阻抗补偿器108 Resistance grounded neutral system 中心点电阻接地方式109 Reactance bond电抗耦合; 接合扼流圈110 Reactance of armature reaction电枢反应电抗111 Under-Voltage relay欠压继电器112 V oltage differential relay电压差动继电器114 Relay must-operate value继电器保证启动值115 Relay act trip继电器操作跳闸116 Relay overrun继电器超限运行117 Longitudinal differential protection纵联差动保护118 Phase-angle of voltage transformer电压互感器的相角差119 Zero-sequence current/residual current 零序电流120 Residual current relay零序电流继电器121 Bus bar protection/bus protection母线保护122 Breaker contact point断路器触点123 Cut-off push断路器按钮124 Gaseous shield瓦斯保护装置125 Neutral-point earthing中性点接地126 Internal fault内部故障127 Auxiliary contacts辅助触点128 Neutral auto-transformer中性点接地自耦变压器129 Fuse box/fusible cutout熔断器130 Pulse relay/surge relay冲击继电器旅长2005131 Auxiliary relay/intermediate relay中间继电器132 Common-mode voltage共模电压133 Impedance mismatch阻抗失配134 Intermittent fillet weld间断角缝焊接135 Loss of synchronism protection失步保护136 Closing coil合闸线圈137 Electro polarized relay极化继电器138 Power direction relay功率方向继电器139 Direct-to-ground capacity对地电容140 Shunt running潜动141 Trip/opening跳闸142 Trip switch跳闸开关143 Receiver machine收信机144 High-frequency direction finder 高频测向器145 Capacity charge电容充电146 time over-current时限过电流148 Surge guard冲击防护149 Oscillatory surge振荡冲击150 Fail safe interlock五防装置151 Differential motion差动152 Capacitive current电容电流154 Time delay延时156 Normal inverse反时限157 Definite time定时限158 Multi-zone relay分段限时继电器159 Fail-safe unit五防161 Unbalance current不平衡电流162 Blocking autorecloser 闭锁重合闸163 Primary protection主保护164 Tap分接头165 YC (telemetering)遥测167 Fault clearing time故障切除时间168 Critical clearing time 极限切除时间169 Switch station开关站170 Traveling wave行波171 Protection feature保护特性172 Fault phase selector故障选线元件173 Fault type故障类型174 Inrush励磁涌流175 Ratio restrain比率制动176 Laplace and Fourier transforms 拉氏和傅利叶变换177 Short circuit calculations短路计算178 Load flow calculations潮流计算179 Oscillatory reactivity perturbation 振荡反应性扰动180 Quasi-steady state准稳态181 Automatic quasi-synchronization 自动准同步182 Protective relaying equipment继电保护装置183 AC directional overcurrent relay 交流方向过流继电器184 AC reclosing relay交流重合闸继电器185 Annunciator relay信号继电器188 Carrier or pilot-wire receiver relay载波或导引线接受继电器189 Current-limiting relay限流继电器190 Definite time relay定时限继电器192 Lockout relay闭锁继电器；保持继电器；出口继电器193 Micro-processor based protective relay 微机继电保护194 V oltage -controlled overcurrent relay 电压控制过电流继电器196 Fault diagnosis故障诊断197 Back-up protection后备保护198 Overhead line架空线199 High voltage line高压线路200 Underground cable埋地电缆201 Circuit breaker断路器202 Brushless excitation无刷励磁203 Interlock闭锁204 Trigger触发器205 Winding-to-winding insulation绕组间的绝缘206 Porcelain insulator瓷绝缘子207 Tie line联络线208 Leased line租用线路209 Private line专用线路211 Remote Terminal Unit远程终端设备212 Economic dispatch system经济调度系统213 State estimation状态估计214 Trip by local protection保护跳闸215 Close by local protection保护合闸216 Operational (internal) overvoltage 操作（内部）过电压217 Sampling and holding采样保持218 Synchronized sampling采样同步219 Manipulation操作220 Measuring/Metering unit测量元件221 Locus of measured impedance测量阻抗轨迹222 Differential mode interference差模干扰223 Output (executive) organ出口（执行）元件224 Overcurrent relay with undervoltage supervision低电压起动的过电流保护225 Low impedance busbar protection低阻抗母线保护回复2帖旅长2005228 Half-cycle integral algorithm半周积分算法230 Coordination of relay settings保护的整定配合231 Reach (setting) of protection保护范围（定值）232 Coordination time interval保护配合时间阶段233 Percentage differential relay比率差动继电器234 Electromagnetic relay电磁型继电器236 Instantaneous undervoltage protection with current supervision 电流闭锁的电压速断保护237 Operating equation (criterion)动作方程（判据）238 Operating characteristic动作特性239Harmonic restraining谐波制动241Segregated current differential protection分相电流差动保护242Branch coefficient分支系数243Power line carrier channel (PLC)高频通道245High speed signal acquisition system高速数字信号采集系统246Busbar protection with fixed circuit connection 固定联结式母线保护247Fault recorder故障录波器248Fault phase selection故障选相249Optoelectronic coupler光电耦合器件251Compensating voltage补偿电压252Polarized voltage极化电压253Memory circuit记忆回路254Unblocking signal解除闭锁信号255Power system splitting and reclosing解列重合闸256Connection with 90 degree90度接线257Insulation supervision device绝缘监视258Inrush exciting current of transformer励磁涌流259Two star connection scheme两相星形接线方式260Zero mode component of traveling wave 零模行波261Inverse phase sequence protection逆相序保护262Offset impedance relay偏移特性阻抗继电器263Frequency response频率响应264Activate the breaker trip coil起动断路器跳闸266Permissive under reaching transfer trip scheme 欠范围允许跳闸式267Slight (severe) gas protection轻（重）瓦斯保护268Man－machine interface人机对话接口270Three phase one shot reclosure三相一次重合闸271Out-of-step失步272Accelerating protection for switching onto fault 重合于故障线路加速保护动作275Abrupt signal analysis突变信号分析276Out flowing current外汲电流277False tripping误动279Turn to turn fault，inter turn faults匝间短路280Relay based on incremental quantity增量（突变量）继电器281Vacuum circuit breaker真空开关282Power swing (out of step) blocking振荡（失步）闭锁284Successive approximation type A/D逐次逼进式A/D285Infeed current助增电流286Self reset自动复归287Adaptive segregated directional current differential protection 自适应分相方向纵差保护288Adaptive relay protection自适应继电保护289Pilot protection纵联保护291Angle of maximum sensitivity 最大灵敏角292Out of service退出运行294Waveform波形295Outlet出口296Electromechanical机电的297Magnitude of current电流幅值299Traveling wave signal行波信号300Measurement signal测量信号301Traveling wave relay行波继电器302Transmission line malfunction 输电线路异常运行303Subsystem子系统304Positive sequence impedance 正序阻抗305Negative sequence impedance 负序阻抗306Zero sequence impedance零序阻抗307Digital signal processor数字信号处理器308Frequency sensing频率测量309Cable relay电缆继电器310Under power protection低功率保护311Under voltage protection低电压保护312Transient analysis暂态分析313V oltage sensor电压传感器314Zero-sequence protection零序保护315Zero sequence current transducer 零序电流互感器316Shunt旁路，并联317Series串联，级数318Parallel并联319Saturation饱和320Free-standing独立的，无需支撑物的321Troidal环形的，曲面，螺旋管形322Bushing套管323Magnetizing磁化324Dropout current回动电流325Reactor grounded neutral system 中性点电抗接地系统326Grounding apparatus接地装置327Dual bus双总线328Thyristor晶闸管329Spark gap火花隙330Damping circuit阻尼电路331Discharge放电332Platform平台333Grading等级334Line trap线路陷波器335Field test实地试验337Off-position“断开”位置，“开路”位置338Power-angle功角339Power-angle curve功角特性曲线340Torque-angle转矩角341Symmetrical components 对称分量342Constant常量，恒定343Coupler耦合器345Concussion震动348Filter滤波器349Analogue模拟350Insulator绝缘子351Switch cabinet开关柜352Rated burden\load额定负载353Primary一次侧的354Remote-control apparatus 远距离控制设备355Capacitance电容356Capacitor电容器357Reactance电抗358Inductor电感359Internal resistance内阻360Blow-out coil消弧线圈361Bundle-conductor spacer 分裂导线362Bundle factor分裂系数363Electromotive force电动势364V olt-amphere characteristic伏安特性365Outgoing line引出线366electrolyte电解质368Load characteristic负载特性369Self-induction自感370Mutual-induction互感371Induction coefficient感应系数372Inductance couping电感耦合373Time-invariant时不变的回复3帖4旅长2005端电压375Non-linear characteristics 非线性特性376External characteristics 外特性378Harmonic current正弦电流379Pole-pairs极对数380Quadrature正交381Angular velocity角频率382Magnetic induction磁感应强度385Armature电枢386Peak value（交变量的）最大值387A mutually induced e.m.f互感电动势The applied voltage外施电压389Zero-power-factor零功率因数390The no-load power factor 空载功率因数391Sinusoidal variations正弦变量392A lagging power factor 滞后的功率因数393Equivalent circuit等值电路394Capacitance effect电容效应395Direct axis直轴396Quadrature axis交轴398Concentrated coil集中绕组399Magnetization curve磁化曲线Residual magnetism剩磁401Rated armature current 额定电枢电流402Series excited串励403Self excited自励404Shunt excited并励405spottily excited他励407 Electromagnetic torque 电磁转矩408a retarding torque制动转矩409Rectangular wave矩形波410Synchronous speed同步转速411 Electromagnetic brake 电磁制动synchronous reactance同步电抗413synchronous condenser同步调相机414Load shedding甩负荷415Black-start黑启动417Distribution feeder配电馈线418Commissioning投运419Reactive power compensation 无功补偿器420Continuous rating连续运行的额定值421AI (artificial intelligence)人工智能422Network topology网络拓补424Configuration control组态控制Topological information拓补信息426Black-out area停电区428Adaptive relaying自适应继电保护429Adaptive features自适应特性430Phase comparison relays相位比较继电器431Directional contact方向触点432Protective gap保护间隙433Protective earthing保护接地434Protective earthing; outer insulation 保护绝缘435Protection switch保护开关436Protective cap保护帽Protective panel保护屏柜439Protection device保护设备440Protective casing保护外壳441Catch net; protecting net保护网442Protection system保护系统443Protective link保护线路444Protective ground保护性接地445Protective cover; Protective housing 保护罩446Protection device; Protective gear 保护装置447Protective transformer保护变压器448Alarm relay报警信号继电器Alarm signal；alerting signal报警信号450Admittance relays导纳型继电保护装置451Low-voltage protection低压保护452Under-voltage release低电压跳闸453Under-voltage trip低电压自动跳闸454Under-run低负荷运行455Under-power protection低功率保护456Under-power relay低功率继电器457Under-frequency protection低频保护458Low-frequency high-voltage test 低频高压实验459Low-voltage relay低压继电器Low-voltage release relay 低压释放继电器461Under-frequency protection 低周波保护463Under-impedance relay低阻抗继电器465Conductance relay电导继电器466Motor-field failure relay电动机磁场故障继电器467Dynamoelectric relay电动式继电器468Electric reset relay电复位继电器469Power-transformer relay电力传输继电器471Power system oscillation 电力系统振荡472Electric interlock relay连锁继电器473Current overload电流过载Self-polarizing relay电流极化继电器475Current-balance relay 电流平衡式继电器476Circuit control relay电路控制继电器479Capacitance relay电容继电器480Capacity ground电容接地481V oltage balance relay电压平衡继电器482Circuit control relay电路控制继电器483V oltage responsive relay 电压响应继电器484V oltage selection relay 电压选择继电器485Power failure电源故障486Power-transfer relay电源切换继电器vacuum-tube relay电子管继电器488Ohm relay电阻继电器489Timing relay; timed relay定时继电器490Time pulse relay定时脉冲继电器492Directional over-current relay方向过流继电器493Directional over-current protection 方向过流保护494Directional distance relay方向距离继电器495Directional pilot relaying方向纵联继电保护497Cut-off relay断路继电器498Circuit breaker failure protection 断路器故障保护装置500Open-phase relay断相继电器Earth-leakage protection对地漏电保护502Multiple-reclosing breaker多次重合闸断路器503Multi-ended circuit protection多端线路保护506Multiple earth多重接地507Two-position relay二位置继电器508Generator protection发电机保护509Generator cutout relay发电机断路继电器510Generator protection for negative sequence current 发电机负序电流保护511Transmitting relay发送继电器512Back-spin timer反转时间继电器513Auxiliary relay辅助继电器Negative phase relay负相位继电器515Negative-phase sequence impendence 负相序继电器516Under-load relay负载不足继电器517Back-up over-speed governor附加超速保护装置518Induction cup relay感应杯式继电器520Induction type relay感应式继电器521Induction disc relay感应圆盘式继电器522High sensitive relay高灵敏度继电器回复4帖5旅长2005523High-speed impedance relay 高速阻抗继电器524High-voltage relay高压继电器525Power relay功率继电器527Transition impedance过渡阻抗528Thermal protection过热保护529Temperature limiting relay过热继电器530Overload relay过载继电器531Overload trip过载跳闸532Thermostat relay恒温继电器533Closing relay合闸继电器534Transverse differential protection 横差保护535Transfer of auxiliary supply后备电源切换536Back-up system后备继电保护Delay-action relay缓动继电器538Slow-to release relay缓放继电器539Converter relay换流器继电器540Electromechanical relay机电继电器541Biased differential relaying极化差动继电保护系统542Discontinuous relay鉴别继电器543Transistor relay晶体管继电器544Crystal can relay晶体密闭继电器545Static relay静电继电器546Fast-operate slow-release relay 快动缓释继电器547Fast-release relay快释放继电器Excitation-loss relay失磁继电器553Two-phase short circuit fault 两相短路故障554Two-phase grounding fault 两相接地短路故障556Sensitive polarized relay灵敏极化继电器558Sensitive relay灵敏继电器560Abnormal overload异常过载561Abnormal overvoltage事故过电压562Above earth potential对地电势563Absolute potential绝对电势564AC circuit breaker交流断路器565AC component交流分量AC distribution system 交流配电系统567Air-blast circuit breaker 空气灭弧断路器568Air-blast switch空气吹弧开关569Air brake switch空气制动开关571Air breaker空气断路器572Air-space cable空气绝缘电缆573Alive带电的574All-relay interlocking 全部继电连锁575All-relay selector全继电式选择器578Arc extinguishing coil 灭弧线圈579Arc suppressing reactor 灭弧电抗器Asymmetric load不对称负载581Asymmetric short circuit 不对称短路582Asynchronous reactance 异步电抗583Asynchronous resistance 异步电阻584Biased differential relaying 极化差动继电保护系统585Bi-directional relay双向继电器586Blinker继电器吊牌587Blocking relay连锁继电器589Blowout coil灭弧线圈590Bus hub总线插座591Bus protective relay母线保护继电器Bus section breaker 母线分段断路器593Bus terminal fault母线终端故障594Bus separation母线分离595Bus tie circuit breaker 母线联络继电器596Bypass旁路597Coil factor线圈系数598Compound relay复合电路599Continuous load持续负载600Counting relay计数继电器602Cut-off of supply停止供电603Cut-out relay短路继电器Dash current冲击电流605Data medium数据载体606Data processing数据处理607Data transmission数据传输608Emergency service事故运行609Emergency standby 事故备用611Extinction coil消弧线圈612Extinguishing voltage 消弧线圈613Extra high voltage超高压614Fault line故障线615Fault location故障定位Feedback反馈617Feeder馈电线618Interlock连锁619Intermittent fault间歇故障620Interrupting time断路时间621Negative direction反方向622No-load release无跳闸623Off-peak非峰值的624Operating load运行负载625Orthogonal正交的626Rated primary voltage 一次额定电压Rated secondary volage 二次额定电压628Remote controlled遥控的629Reserve bus备用母线630Rotor转子631Sectionalizer分段断路器632Self-energizing自激的633Sequential tripping顺序跳闸637Surge voltage冲击电压638Sustained overload持续过电压639Symmetrical对称的640Fault component故障分量Wavelet transform小波变换642Object-oriented面向对象643Faults recorder故障录波644Setting calculation整定计算645Topology analysis拓扑分析646Expert system专家系统647Security安全性651Load schedule according to frequency change 按周波减载653Semiconductor, semiconductor diode, transistor 半导体、半导体二级管、三极管654Semi-orthogonal wavelet半正交小波656Saturation, saturation detection, saturation curve 饱和，饱和检测，饱和曲线Relay location保护安装处658Coordination of relay settings保护的整定配合659Coordination time interval保护配合时间阶段660Relay system configuration保护配置661Redundancy of relaying system保护配置的冗余度663Protection devices, protection equipment保护装置664Starting current and returning current of protection device 保护装置的起动电流和返回电流665Alarm报警666Approximation component逼近分量668B sampling functionB样条函数670Transformation matrix变换矩阵。
电力专业术语英汉对照表
突然损失发电机或线路：sudden loss of a generator or transmission line. 负荷突然增加或减少：sudden load increases or decreases短路和开关操作：short circuits and switching operations.三相和对地短路：three-phase and line-to-ground faults短路器：circuit breaker暂态过电压和电流：transient overvoltages and currents雷击：lightning strikes电涌放电器：surge arrester相量：phasor，通常用复数phasors瞬时功率：instantaneous power特别地：In particular,正弦电压或电流：A sinusoidal voltage or current at constant frequency最大值：maximum value有效值：effective value平均值：average value坐标系实轴：real axis坐标系虚轴：imaginary axis相量图：phasor diagram for …无源元件：passive elements电阻、电感、电容、电抗：resistor, inductor, and capacitor, reactance,感性、容性：inductive, capacitive有功功率：real power or active power无功功率：reactive power功率因数：power factor功率因数角：power factor angleA single-phase source delivers 100kW to a load operating at a power factor of 0.8 lagging. 物理意义：The physical significance of ……与…同相位：…be in phase with…Example：For a purely resistive load, the current into the load is in phase with the load voltage. 如式（2.1）所示：As indicated by (2.1), ……落后(超前)…多少相位：The current lags（leads） the voltage by 90.正弦稳态：sinusoidal-steady-state让a＝b，得到：Letting a=b gives按照惯例（通常）：By convention, the power factor cos(a-b) is positive.时间区间：a time interval T. Example: The total energy absorbed by a load during a time interval T. 额定值：rating. 例：额定功率－power rating；发电机额定功率－power rating of electric generator；额定电压：voltage rating.基尔霍夫电流（电压）方程：Kirchhoff’s current(voltage) law。
电力专业英语（中英文对照表）
电力专业英语（中英文对照表）电力专业英语（1）元件设备三绕组变压器：three-column transformer ThrClnTrans双绕组变压器：double-column transformer DblClmnTrans 电容器：Capacitor并联电容器：shunt capacitor电抗器：Reactor母线：Busbar输电线：TransmissionLine发电厂：power plant断路器：Breaker刀闸(隔离开关)：Isolator分接头：tap电动机：motor（2）状态参数有功：active power无功：reactive power电流：current容量：capacity电压：voltage档位：tap position有功损耗：reactive loss无功损耗：active loss功率因数：power-factor功率：power功角：power-angle电压等级：voltage grade空载损耗：no-load loss铁损：iron loss铜损：copper loss空载电流：no-load current阻抗：impedance正序阻抗：positive sequence impedance 负序阻抗：negative sequence impedance 零序阻抗：zero sequence impedance 电阻：resistor电抗：reactance电导：conductance电纳：susceptance无功负载：reactive load 或者QLoad有功负载: active load PLoad遥测：YC(telemetering)遥信：YX励磁电流(转子电流)：magnetizing current 定子：stator功角：power-angle上限:upper limit下限：lower limit并列的：apposable高压: high voltage低压：low voltage中压：middle voltage电力系统 power system发电机 generator励磁 excitation励磁器 excitor电压 voltage电流 current母线 bus变压器 transformer升压变压器 step-up transformer高压侧 high side输电系统 power transmission system输电线 transmission line固定串联电容补偿fixed series capacitor compensation 稳定stability电压稳定 voltage stability功角稳定 angle stability暂态稳定 transient stability电厂 power plant能量输送 power transfer交流 AC装机容量 installed capacity电网 power system落点 drop point开关站 switch station双回同杆并架 double-circuit lines on the same tower 变电站transformer substation补偿度 degree of compensation高抗 high voltage shunt reactor无功补偿 reactive power compensation故障 fault调节 regulation裕度 magin三相故障 three phase fault故障切除时间 fault clearing time极限切除时间 critical clearing time切机 generator triping高顶值 high limited value强行励磁 reinforced excitation线路补偿器 LDC(line drop compensation)机端 generator terminal静态 static (state)动态 dynamic (state)单机无穷大系统 one machine - infinity bus system 机端电压控制 AVR电抗 reactance电阻 resistance功角 power angle有功（功率） active power无功（功率） reactive power功率因数 power factor无功电流 reactive current下降特性 droop characteristics斜率 slope额定 rating变比 ratio参考值 reference value电压互感器 PT分接头 tap下降率 droop rate仿真分析 simulation analysis传递函数 transfer function框图 block diagram受端 receive-side裕度 margin同步 synchronization失去同步 loss of synchronization 阻尼 damping摇摆 swing保护断路器 circuit breaker电阻：resistance电抗：reactance阻抗：impedance 电导：conductance 电纳：susceptance 导纳：admittance 电感：inductance 电容: capacitance。
电力系统可靠性评估指标
电力系统可靠性评估指标1.1 大电网可靠性的测度指标1. (电力系统的)缺电概率 LOLP loss of load probability给定时间区间内系统不能满足负荷需求的概率，即∑∈=s i i PLOLP式中：i P 为系统处于状态i 的概率；S 为给定时间区间内不能满足负荷需求的系统状态全集。
2. 缺电时间期望 LOLE loss of load expectation给定时间区间内系统不能满足负荷需求的小时或天数的期望值。
即∑∈=si iT P LOLE 式中：i P 、S 含义同上；T 为给定的时间区间的小时数或天数。
缺电时间期望LOLE 通常用h/a 或d/a 表示。
3. 缺电频率 LOLF loss of load frequency给定时间区间内系统不能满足负荷需求的次数，其近似计算公式为∑∈=Si i F LOLF 式中：i F 为系统处于状态i 的频率；S 含义同上。
LOLF 通常用次/年表示。
4. 缺电持续时间 LOLD loss of load duration给定时间区间内系统不能满足负荷需求的平均每次持续时间，即LOLFLOLE LOLD = LOLD 通常用小时/次表示。
5. 期望缺供电力 EDNS expected demand not supplied系统在给定时间区间内因发电容量短缺或电网约束造成负荷需求电力削减的期望数。
即∑∈=Si ii P C EDNS 式中：i P 为系统处于状态i 的概率；i C 为状态i 条件下削减的负荷功率；S 含义同上。
期望缺供电力EDNS 通常用MW 表示。
6. 期望缺供电量 EENS expected energy not supplied系统在给定时间区间内因发电容量短缺或电网约束造成负荷需求电量削减的期望数。
即∑∑∈∈==Si ii S i i i i T P C D F C EENS 式中：F i 为系统处于状态i 的频率；D i 为状态i 的持续时间；P i 、C i 、S 和T 含义同上。
变电站中英文资料对照外文翻译文献综述
变电站中英文资料对照外文翻译文献综述XXXns are an essential part of electrical power systems。
servingas the interface een high-voltage n lines and lower-voltage n lines。
They play a critical role in XXX homes。
businesses。
and industries.Types of nsThere are several types of ns。
including n ns。
n ns。
and customer XXX to the end-users and step down the voltage for n to XXX a single customer or group of customers.XXXns consist of us components。
including transformers。
circuit breakers。
switches。
XXX are used to step up or step down thevoltage of the electricity。
XXX are used to control the flow ofXXX to the system.XXXXXX stages。
including site n。
layout design。
equipment n。
XXX n lines。
land availability。
and environmental ns。
The layout design involves determining the placement of equipment。
XXX appropriate transformers。
circuit breakers。
and other components。
电力系统的可靠性与安全性评估
电力系统的可靠性与安全性评估一、引言电力系统是现代社会经济活动中至关重要的基础设施，它的可靠性和安全性直接关系到国家经济发展和人民生命财产安全。
因此，电力系统的可靠性和安全性评估成为电力系统运营和管理的重要任务之一。
二、电力系统可靠性评估1. 可靠性概念可靠性是指在给定条件下，设备或系统在一定时间内保持特定功能，且无失效的概率或发生故障的概率。
电力系统可靠性评估的主要任务是分析电力系统各种元件、故障模式、维修策略、供电方式、运行控制等因素对系统可靠性的影响，评估电力系统的可靠性水平。
2. 可靠性评估指标电力系统可靠性评估的指标主要包括：系统平均故障次数MTBF（Mean Time Between Failures）、系统故障停电时间MTTR （Mean Time To Repair）、系统平均停电时间ASAI（Average Service Availability Index）等。
其中，MTBF是指系统平均时间内的故障次数，MTTR是指系统故障后的平均恢复时间，ASAI是指系统可靠提供电力服务的时间占总可能工作时间的比例。
3. 可靠性评估方法电力系统可靠性评估方法可以分为概率评估方法、可靠度分析和实物模拟方法等。
其中，概率评估方法和可靠度分析方法是主要的可靠性评估方法。
概率评估方法是一种基于概率和统计学原理的评估方法，通过建立电力系统元件的故障模型和可靠性模型，分析元件失效的概率和系统的可用性。
可靠度分析方法是一种基于可靠度理论的评估方法，它通过分析电力系统元件的可靠度参数来评估系统的可靠性水平。
4. 可靠性评估应用场景电力系统可靠性评估在电力系统规划、设计、运行和维护等阶段都有重要的应用，可以为系统的建设和运行提供重要的技术支撑。
在电力系统规划阶段，可靠性评估可以为系统规划提供科学依据；在电力系统设计阶段，可靠性评估可以为设计方案选择提供参考；在电力系统运行阶段，可靠性评估可以为系统节能减排、优化运行提供决策支持；在电力系统维护阶段，可靠性评估可以为设备维修更换提供依据。
- 1、下载文档前请自行甄别文档内容的完整性，平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益，请联系客服反馈,我们会尽快为您处理(人工客服工作时间：9:00-18:30)。
用户平均停电时间
AIHC-1
用户平均停电时间 （不计外部影 响） 用户平均停电时间 （不计系统电 源不足限电） 用户平均停电次数
AIHC-2
average interruption hours of customer except external Influence average interruption hours of customer except limited power supply du to generation shortage of system average customer interruption times of
RTOI RBOI MDLOI MDCOI MDTOI MDBOI
rate of transformer outage interruption
with
rate of circuit breaker outage with interruption mean duration of overhead outage with interruption mean duration of cable interruption line
AIHC-3
AITC-1
用户平均停电次数 （不计外部影 响） 用户平均停电次数 （不计系统电 源不足限电） 用户平均故障停电次数
AITC-2
average interruption times of customer except external Influence average interruption times of customer except limited power supply du to generation shortage of system average failure interruption times of customer average scheduled interruption times of customer average scheduled interruption times of customer except limited power supply du to generation shortage of system equivalent interruption hours of system
22
附录 B 资料性附录） （资料性附录） 供电系统供电可靠性指标中、 供电系统供电可靠性指标中、英文对照表 供电系统供电可靠性指标中、 表 B.1 供电系统供电可靠性指标中、英文对照表 指标名称 英文缩写 英文全称
供电可靠率
RS-1
reliability on service in total
供电可靠率（不计外部影响）
英文缩写
英文全称
系统故障停电率
RSFI ROFI
rate of system interruption
failure
with
架空线路故障停电率
rate of overhead line failure with interruption rate of cable interruption failure with断路器故障停电率ຫໍສະໝຸດ RBFI外部影响停电率
IRE
架空线路停运停电率
ROOI
rate of overhead interruption rate of cable interruption
outage
with
电缆停运停电率
RCOI
outage
with
变压器停运停电率 断路器停运停电率 架空线路停电平均持续时间 电缆停电平均持续时间 变压器停电平均持续时间 断路器停电平均持续时间
RS-2
reliability on service external influence
except
供电可靠率 （不计系统电源不足 限电）
RS-3
reliability on service except limited power supply du to generation shortage of system average customer interruption hours of
outage with
mean duration of transformer outage with interruption mean duration of circuit breaker outage with interruption
25
参考文献 [1] IEC 1/1675/FDIS Amendment 1 to IEV Chapter 191: Dependability and quality of service ； Part3-- Dependability and quality of service in electric power system ； Distribution system reliability engineering quality CEA
预安排停电平均用户数
MIC-S
故障停电平均用户数
MIC-F
mean interruption customer by failure average energy not supplied interruption due to
用户平均停电缺供电量
AENS
预安排停电平均缺供电量
AENT-S
average energy not supplied due to scheduled interruption average energy not supplied due to failure interruption average interruption customer interrupted average interruption customer interrupted rate of equipment interruption times of
故障停电平均缺供电量
AENT-F
停电用户平均停电次数
AITCI
停电用户平均停电时间
AIHCI
hours
of
设施停运停电率
REOI
outage
with
设施停电平均持续时间
MDEOI
mean duration of equipment with interruption
outage
24
续表 B.1
指标名称
AITC-3
AFTC
用户平均预安排停电次数
ASTC
用户平均预安排停电次数 （不计 系统电源不足限电） 系统停电等效小时数
ASTC-3
SIEH
23
续表 B.1 指标名称 英文缩写 英文全称
用户平均预安排停电时间
AIHC-S AIHC-F
average interruption hours customer due to scheduled average interruption customer due to failure hours
26
电缆故障停电率
RCFI
变压器故障停电率
RTFI
rate of transformer failure with interruption rate of circuit breaker failure with interruption interruption influence rate by external
of
用户平均故障停电时间
of
预安排停电平均持续时间
MID-S
mean interruption duration due to scheduled mean interruption duration by failure
故障停电平均持续时间
MID-F
平均停电用户数
MIC
mean interruption customer mean interruption scheduled customer by
附录 A 资料性附录） （资料性附录） 停电性质分类中、 停电性质分类中、英文对照表 停电性质分类中、 表 A.1 停电性质分类中、英文对照表 状态输 入字符 I FI SI IF EF PI UI S MI CI IA UM UC UA SS DL 停电 故障停电 预安排停电 内部故障停电 外部故障停电 计划停电 临时停电 限电 检修停电 施工停电 用户申请停电 临时检修停电 临时施工停电 临时用户申请停电 系统电源不足限电 供电网限电 中文 interruption failure Interruption scheduled Interruption internal failure Interruption external failure Interruption planned Interruption unplanned failure shortage maintenance Interruption constructing Interruption customer application interruption unplanned maintenance Interruption unplanned constructing Interruption unplanned custome application interruption system shortage distribution limited 英文