电气中英文翻译
电气工程及自动化专业英语考试翻译课文Electric Power Systems 电力系统3.1
Section 1 Introduction 第一节介绍The modern society depends on the electricity supply more heavily than ever before.现代社会比以往任何时候对电力供应的依赖更多。
It can not be imagined what the world should be if the electricity supply were interrupted all over the world. 如果中断了世界各地的电力供应,无法想像世界会变成什么样子Electric power systems (or electric energy systems), providing electricity to the modern society, have become indispensable components of the industrial world. 电力系统(或电力能源系统),提供电力到现代社会,已成为产业界的不可缺少的组成部分。
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. 托马斯爱迪生建立了世界上第一个完整的电力系统(包括发电机,电缆,熔断器,计量,并加载)它就是位于纽约市具有历史意义的珍珠街的发电厂始于1882年9月运作。
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. 这是一个直流系统,由一个蒸汽发动机驱动的直流发电机其供电面积约1.5公里至59范围内的客户。
电气英语翻译
电气英语翻译Electrical English Translation (700 words)With the rapid development of technology, electrical engineering has become an indispensable part of our lives. Electrical engineering involves the study and application of electricity, electronics, and electromagnetism. In this translation, we will explore some common electrical terms and their translations in English.1. 电气工程(diànqì gōngchéng)Electrical engineering2. 电 (diàn)Electricity3. 电流 (diànliú)Electric current4. 电压(diànyā)Voltage5. 电阻(diànzǔ)Resistance6. 电感(diàngǎn)Inductance7. 电容 (diànróng)Capacitance8. 电路 (diànlù) Circuit9. 电源 (diànyuán) Power supply10. 电力 (diànlì) Electric power11. 电缆(diànlǎn) Cable12. 变压器(biànyāqì) Transformer13. 电机(diànjī) Electric motor14. 发电机(fādiàn jī) Generator15. 开关(kāiguān) Switch16. 电池 (diànchí) Battery17. 插头(chātóu)Plug18. 插座(chāzuò)Socket19. 电子器件(diànzǐ qìjiàn) Electronic component20. 电磁辐射 (diàncí fúshè) Electromagnetic radiation21. 线路板(xiànlù bǎn) Circuit board22. 电线 (diànxiàn) Electric wire23. 电焊 (diànhàn) Electric welding24. 电视机(diànshì jī) Television25. 电冰箱(diàn bīngxiāng) Refrigerator26. 电灯(diàndēng) Electric light27. 电脑(diànnǎo) Computer28. 电梯(diàntī)Elevator29. 电子邮件(diànzǐ yóuj iàn) Email30. 电动车(diàndòngchē) Electric vehicle31. 电子游戏(diànzǐ yóuxì) Video game32. 电热水壶(diàn rè shuǐhú) Electric kettle33. 电影院(diànyǐngyuàn) Cinema34. 电子商务(diànzǐ shāngwù) E-commerce35. 电子支付(diànzǐ zhīfù)E-payment36. 电视节目 (diànshì jiémù)TV program37. 电瓶车(diànpíngchē)Electric scooter38. 电子书(diànzǐ shū)E-book39. 电视台 (diànshì tái)TV station40. 电梯间(diàntī jiān)Elevator lobbyIt is essential to have a good understanding of electrical engineering terminology, especially in a globalized world. Electrical engineers need to communicate and collaborate with professionals from various countries, and having a common language helps facilitate efficient communication.In conclusion, electrical engineering plays a crucial role in our modern society. These translations provide a basic understanding of electrical terms in English, which can help bridge communication gaps and enhance collaboration in the field.。
电气英文翻译
电气英文翻译2011-02-06三绕组变压器:three-columntransformerThrClnTrans双绕组变压器:double-columntransformerDblClmnTrans电容器:Capacitor并联电容器:shuntcapacitor电抗器:Reactor母线:Busbar输电线:TransmissionLine发电厂:powerplant断路器:Breaker刀闸(隔脱离关):Isolator分接头:tap电动机:motor有功:activepower无功:reactivepower电流:current容量:capacity 电压:voltage档位:tapposition有功损耗:reactiveloss无功损耗:activeloss功率因数:power-factor防护等级:IPcode重量(毛重):GROSSWT(净重):NETWT额定电压:ratedvoltage额定电流:ratedcurrent功率:power功角:power-angle电压等级:voltagegrade空载损耗:no-loadloss铁损:ironloss铜损:copperloss空载电流:no-loadcurrent阻抗:impedance正序阻抗:positivesequenceimpedance负序阻抗:negativesequenceimpedance零序阻抗:zerosequenceimpedance电阻:resistor电抗:reactance电导:conductance电纳:susceptance无功负载:reactiveload或QLoad有功负载:activeloadPLoad遥测:YC(telemetering)遥信:YX励磁电流(转子电流):magnetizingcurrent常用的电气专业英语词汇inductionmachine感应式电机horseshoemagnet马蹄形磁铁magneticfield磁场eddycurrent涡电流right-handrule右手定则left-handrule左手定则slip转差率inductionmotor感应电动机rotatingmagneticfield旋转磁场winding绕组stator定子rotor转子inducedcurrent感生电流time-phase时间相位excitingvoltage励磁电压solt槽lamination叠片laminatedcore叠片铁芯short-circuitingring短路环squirrelcage鼠笼rotorcore转子铁芯cast-aluminumrotor铸铝转子bronze青铜horsepower马力random-wound散绕insulation绝缘acmotor交流环电动机endring端环alloy合金coilwinding 线圈绕组form-wound模绕performancecharacteristic工作特性frequency频率revolutionsperminute转/分motoring电动机驱动generating发电per-unitvalue标么值breakdowntorque极限转矩breakawayforce起步阻力overhauling检查修理wind-drivengenerator风动发电机revolutionspersecond转/秒numberofpoles极数speed-torquecurve转速力矩特性曲线plugging反向制动synchronousspeed同步转速percentage百分数locked-rotortorque锁定转子转矩full-loadtorque满载转矩primemover原动机inrushcurrent涌流magnetizingreacance磁化电抗line-to-neutral线与中性点间的staorwinding定子绕组leakagereactance漏磁电抗no-load空载fullload满载Polyphase多相(的)iron-loss铁损compleximpedance复数阻抗rotorresistance转子电阻leakageflux漏磁通locked-rotor锁定转子choppercircuit斩波电路separatelyexcited他励compounded复励dcmotor 直流电动机demachine直流电机speedregulation速率调节shunt并励series 串励armaturecircuit电枢电路opticalfiber光纤interoffice局间的waveguide波导波导管bandwidth带宽lightemittingdiode发光二极管silica 硅石二氧化硅regeneration再生,后反馈放大coaxial共轴的,同轴的high-performance高性能的carrier载波mature成熟的SingleSideBand(SSB)单边带couplingcapacitor结合电容propagate传导传播modulator调制器demodulator解调器linetrap限波器shunt分路器AmplitudeModulation(AM 调幅FrequencyShiftKeying(FSK)移频键控tuner调协器attenuate衰减incident入射的two-wayconfiguration二线制generatorvoltage发电机电压dcgenerator直流发电机polyphaserectifier多相整流器boost增压timeconstant时间常数forwardtransferfunction正向通报函数errorsignal 误差信号regulator调节器stabilizingtransformer稳定变压器timedelay延时directaxistransienttimeconstant直轴瞬变时间常数transientresponse 瞬态响应solidstate固体buck赔偿operationalcalculus算符演算gain增益pole极点feedbacksignal反馈信号dynamicresponse动态响应voltagecontrolsystem电压节制体系mismatch掉配errordetector误差检测器excitationsystem励磁体系fieldcurrent励磁电流transistor晶体管high-gain高增益boost-buck升压去磁feedbacksystem反馈体系feedbackloop反馈回路automaticVoltageregulator(AVR)自动电压调解器referenceVoltage基准电压magneticamplifier磁放大器amplidyne微场扩流发电机self-exciting自励的limiter限幅器manualcontrol手动节制blockdiagram方框图linearzone线性区potentialtransformer电压互感器stabilizationnetwork稳定网络stabilizer稳定器air-gapflux气隙磁通saturationeffect饱以及效应saturationcurve饱以及曲线fluxlinkage磁链perunitvalue标么值shuntfield并励磁场magneticcircuit磁路load-saturationcurve负载饱以及曲线air-gapline气隙磁化线polyphaserectifier多相整流器circuitcomponents电路元件circuitparameters电路参数electricaldevice电气设备electricenergy电能primarycell原生干电池energyconverter电能转换器conductor导体heatingappliance电热器direct-current直流timeinvariant时不变的self-inductor自感mutual-inductor互感thedielectric电媒质storagebattery 蓄干电池e.m.f=electromotiveforce电动势Loopsystem环网体系Demagnetization退磁,去磁Distributionsystem配电体系Relaypanel继电器屏Tripcircuit跳闸电路Tertiarywinding第三绕组Switchboard配电盘,开关屏Eddycurrent涡电流Instrumenttransducer测量互感器Copperloss铜损Oil-impregnatedpaper油浸纸绝缘Ironloss铁损Bareconductor裸导线Leakageflux漏磁通Reclosing重合闸Autotransformer自耦变压器Distributiondispatchcenter配电调度中间Zerosequencecurrent零序电流Pulverizer磨煤机Series(shunt)compensation串(并)联赔偿Drum汽包,炉筒Restriking电弧重燃Superheater过热器Automaticoscillograph自动录波仪Peak-load峰荷Tidalcurrent潮流Primegridsubstation主网变电站Tripcoil 跳闸线圈Reactivepower`无功功率Synchronouscondenser同步调相机Activepower有功功率Mainandtransferbusbar单母线带旁路Shuntreactor并联电抗器Feeder馈电线Blackout断电、停电Skineffect集肤效应Extra-highvoltage(EHV)超高压Potentialstress电位应力(电场强度)Ultra-highvoltage(UHV)特高压Capacitorbank电容器组Domesticload平易近用电crusher碎煤机Reservecapacity备用容量pulverizer磨煤机Fossil-firedpowerplant火电厂baghouse集尘室Combustionturbine燃气轮船上的发动机Stationary(moving)blade固定(可动)叶片Right-of-way线路走廊Shaft 转轴Rectifier整流器Kinetic(potential)energy动(势)能Inductive(Capacitive)电感的(电容的)Pumpedstoragepowerstation抽水蓄能电站Reactance(impedance)电抗(阻抗)Synchronouscondenser同步调相机Reactor电抗器Light(boiling)-waterreactor轻(沸)水反应堆Reactive电抗的,无功的Stator(rotor)定(转)子Phasedisplacement(shift)相移Armature 电枢Surge冲击,过电压Salient-pole凸极Retainingring护环Slipring滑环Carbonbrush炭刷Arcsuppressioncoil消弧线圈Short-circuitratio短路比Primary(backup)relaying主(后备)继电保护Induction感应Phaseshifter移相器Autotransformer自藕变压器Powerlinecarrier(PLC)电力线载波(器)Bushing套管Linetrap线路限波器Turn(turnratio)匝(匝比,变比)Uninterruptiblepowersupply不间断电源Powerfactor功率因数Spotpowerprice实时电价Tap分接头Time-of-use(tariff)分时(电价)Recoveryvoltage恢复电压XLPE(CrossLinkedPolyethylene)交联聚乙烯(电缆)Arcreignition电弧重燃Rms(rootmeansquare)均方根值Operationmechanism操动机构RF(radiofrequency)射频Pneumatic(hydraulic)气动(液压)Rpm(revolutionperminute)转/分Nameplate铭牌LAN(localareanetwork)局域网Independentpoleoperation分相操作LED(lightemittingdiode)发光二极管Malfunction掉灵Single(dual,ring)bus单(双,环形)母线Shieldwire避雷线IC(integratedcircuit)集成电路Creepdistance爬电距离FFT(fastFouriertransform)快速傅立叶变换Siliconrubber硅橡胶Telemeter 遥测Compositeinsulator合成绝缘子Loadshedding甩负荷Converter(inverter)换流器(逆变器)Lateral支线Bustiebreaker母联断路器Power-flowcurrent工频续流Protectiverelaying继电保护sparkover放电Transferswitching倒闸操作Siliconcarbide碳化硅Outgoing(incoming)line 出(进)线Zincoxide氧化锌PhaseLead(lag)相位超前(滞后)Withstandtest耐压试验Staticvarcompensation(SVC)静止无功赔偿Dispatcher调度员FlexibleACtransmissionsystem(FACTS)灵活交流输电体系Supervisorycontrolanddataacquisition(SCADA)监控与数据采集EMC(electromagneticcompatibility)电磁兼容ISO(internationalstandardizationorganization)国际标准化组织GIS(gasinsulatedsubstation,geographicinformationsystem)气体绝缘变电站,地理信息体系IEC(internationalElectrotechnicalCommission)国际电工(技术)委员会IEEE(InstituteofElectricalandElectronicEngineers)电气与电子工程师学会(美)IEE(InstitutionofElectricalEngineers)电气工程师学会(英)scale刻度,量程calibrate校准rated额定的terminal接线端子fuse保险丝,熔丝humidity湿度resonance谐振,共振moisture潮湿,湿气analytical解析的operationamplifier运算放大器numerical数字的amplitudemodulation(AM)调幅frequency-domain频域frequencymodulation(FM)调频time-domain时域binary二进制operationamplifier运算放大器octal八进制activefilter有源滤波器decimal十进制passivefilter无源滤波器hexadecimal十六进制generator 发电机gasinsulatedsubstationGIS气体绝缘变电站turbogenerator汽轮发电机neutralpoint中性点hydrogenerator水轮发电机movingcontact动触头hydraulicturbine水轮船上的发动机fixedcontact静触头steamturbine汽轮船上的发动机arc-extinguishingchamber灭弧室dynamo直流发电机straycapacitance杂散电容motor电动机strayinductance杂散电感stator 定子spheregap球隙rotor转子bushingtapgroundingwire套管末屏接地线powertransformer电力变压器electrostaticvoltmeter静电电压表variabletransformer调压变压器ammeter电流表tapedtransformer多级变压器groundingcapacitance对地电容stepup(down)transformer升(降)压变压器voltagedivider分压器circuitbreakerCB断路器surgeimpedance波阻抗deadtankoilcircuitbreaker多油断路器Scheringbridge西林电桥livetankoilcircuitbreaker少油断路器Rogowskicoil罗可夫斯基线圈vacuumcircuitbreaker真空断路器oscilloscope示波器sulphurhexafluoridebreakerSF6断路器peakvoltmeter峰值电压表potentialtransformerPT电压互感器conductor导线currenttransformerCT 电流互感器cascadetransformer串级变压器disconnector隔脱离关couplingcapacitor耦合电容earthingswitch接地开关testobject被试品synchronousgenerator同步发电机detectionimpedance检测阻抗asynchronousmachine异步电机substation变电站Insulator绝缘子hydropowerstation水动力发电站lightningarrester避雷器thermalpowerstation火力发电站metaloxidearresterMOA氧化锌避雷器nuclearpowerstation核电站busbar母线oil-filledpowercable充油电力电缆overheadline架空线mixeddivider(阻容)混合分压器transmissionline传输线XLPEcable交链聚乙烯电缆(coaxial)cable(同轴)电缆relay继电器ironcore铁芯tunedcircuit调协电路winding绕组suspensioninsulator悬式绝缘子bushing套管porcelaininsulator瓷陶绝缘子front(tail)resistance波头(尾)电阻glassinsulator玻璃绝缘子inverterstation换流站flashcounter雷电统计器charging(damping)resistor充电(阻尼)电阻steel-reinforcedaluminumconductor钢芯铝绞线tank箱体pointplanegap针板间隙earth(ground)wire接地线excitingwinding激磁绕组gradingring均压环triggerelectrode触发电极highvoltageengineering高电压工程glowdischarge辉光放电harmonic谐波highvoltagetestingtechnology高电压试验技术Powerelectronics电力电子Automaticcontrol自动节制Principlesofelectriccircuits电路原理Digitalsignalprocessing数字信号处理powersystem电力体系impulsecurrent冲击电流powernetwork电力网络impulseflashover冲击闪络insulation绝缘inhomogenousfield不均匀场overvoltage过电压insulationcoordination绝缘配合aging老化internaldischarge内部放电alternatingcurrent交流电lightningstroke雷电波ACtransmissionsystem交流输电体系lightningovervoltage雷电过电压arcdischarge电弧放电lossangle(媒质)损耗角attachmentcoefficient附着系数magneticfield磁场attenuationfactor衰减系数meanfreepath平均自由行程anode(cathode)阳极(阴极)meanmolecularvelocity平均分子速率breakdown(电)击穿negativeions负离子bubblebreakdown气泡儿击穿non-destructivetesting非破坏性试验cathoderayoscilloscope阴极射线示波器non-uniformfield不均匀场cavity空穴,腔partialdischarge局部放电corona电晕peakreversevoltage反向峰值电压compositeinsulation组合绝缘photoelectricemission光电发射criticalbreakdownvoltage临界击穿电压photon光量子Discharge放电phase-to-phasevoltage线电压Dielectric电媒质,绝缘体polarityeffect极性效应dielectricconstant媒质常数powercapacitor电力电容dielectricloss媒质损耗quasi-uniformfield稍不均匀场directcurrent直流电radiointerference无线干扰dividerratio分压器分压比ratingofequipment设备额定值grounding接地routingtesting常规试验electricfield电场residualcapacitance残余电容electrochemicaldeterioration电化学腐化shielding屏蔽electronavalanche电子崩shortcircuittesting短路试验electronegativegas电负性气体spacecharge空间电荷epoxyresin环氧树脂streamerbreakdown流注击穿expulsiongap灭弧间隙surfacebreakdown外貌击穿fieldstrength场强sustaineddischarge自持放电fieldstress电场力switchingovervoltage操作过电压fielddistortion场畸变thermalbreakdown热击穿fieldgradient场梯度treeing树梢放电fieldemission场致发射uniformfield均匀场flashover闪络wavefront(tail)波头(尾)gaseousinsulation气体绝缘withstandvoltage耐受电压Primemover原动机Powerfactor功率因数Torque力矩Distributionautomationsystem配电网自动化体系Servomechanism伺服体系Automaticmeterreading自动抄表Boiler锅炉Armature电枢Internalcombustionengine内燃机Brush电刷Deenergize断电Commutator换向器Undergroundcable地下电缆Counteremf 反电势历史上的今天:电气专业英语一览英文全称缩写中文【A-G】2011-02-06。
电气英文翻译
电气英文翻译Electrical English Translation (700 words)Electricity is a form of energy that is present in our daily lives and plays a crucial role in modern society. It is generated, transmitted, and consumed in various electrical systems and devices. In this article, we will explore some key electrical terms and concepts in English.1. Voltage: It is the difference in electric potential energy between two points in an electrical circuit. Voltage is measured in volts (V) and represents the force that drives electric current.2. Current: It refers to the flow of electric charge in a circuit. Current is measured in amperes (A) and represents the quantity of charge passing through a point in a circuit per unit of time.3. Resistance: It is the opposition to the flow of electric current in a material or component. Resistance is measured in ohms (Ω) and isa fundamental property of electrical conductors.4. Ohm's Law: It states that the current flowing through a conductor is directly proportional to the voltage across it and inversely proportional to the resistance. Mathematically, Ohm's law can be expressed as I = V/R, where I is the current, V is the voltage, and R is the resistance.5. Power: It is the rate at which work is done or energy is transferred in an electrical circuit. Power is measured in watts (W) and can be calculated using the formula P = VI, where P is thepower, V is the voltage, and I is the current.6. Circuit: It refers to a closed loop or path through which electric current can flow. A circuit consists of various electrical components, such as resistors, capacitors, and inductors, connected by conductive wires.7. Conductor: It is a material that allows the flow of electric current. Conductors, such as copper and aluminum, have low resistance and are commonly used in electrical wiring.8. Insulator: It is a material that does not allow the flow of electric current. Insulators, such as rubber and plastic, have high resistance and are used to protect conductors and prevent electrical shocks.9. Transformer: It is an electrical device that changes the voltage of an alternating current (AC). Transformers are commonly used in power distribution systems to step up or step down voltage levels.10. Generator: It is a device that converts mechanical energy into electrical energy. Generators produce alternating current (AC) or direct current (DC) by electromagnetic induction.11. Circuit Breaker: It is an automatic switch that protects an electrical circuit from overloads or short circuits. When excessive current flows through a circuit, the circuit breaker trips and opens the circuit, thus preventing damage or fires.12. Electric Motor: It is a device that converts electrical energy into mechanical energy. Electric motors are commonly used invarious applications, such as fans, pumps, and vehicles, to provide rotational motion.In conclusion, understanding electrical terms and concepts is essential for working with electrical systems and devices. Whether it's designing circuits, troubleshooting electrical problems, or simply using appliances, having a good foundation of electrical knowledge is crucial.。
开关类电气名词述语解释(含英文翻译)
开关类电气名词述语解释(含英文翻译)开关类电气名词述语解释1 开关电器switching device用于接通或分断一个或几上电路中电流的电器。
注:一个开关电器可以完成一个或两个操作。
2 机械开关电器mechanical switching device借助可分开的触头的动作闭合和打开一个或多个电路的开关电器。
注:任何机械开关电器可根据触头打开或闭合所处的介质(例如:空气、SF6、油)来命名。
3 半导体开关电器semiconductor switching device利用半导体的导电可控性接通和(或)阻断电路电流的开关电器。
注;半导体开关电器也用于分断电流,所以此定义与IEV 441-14-03的定义不同。
4 熔断器fuse当电流超过规定值足够长时间后通过熔断一个或几个特殊设计的和相应的部件,断开其所接入的电路,并分断电流的电器。
熔断器包括组成完整电器的所有部件。
5 熔断体fuse-link熔断器动作后要进行更换的熔断器部件(包括熔体)。
6 熔体fuse-element在超过规定动作电流值一定时间后熔化的熔断体部件。
7 熔断器组合电器fuse-combination unit由制造厂或根据说明书将一个机械开关电器与一个或多个熔断器组装在同一单元内的一种电器组合。
8 隔离器disconnector在断开位置上能符合规定隔离功能要求的一种机械开关电器。
注:此定义与IEV 441-14-05定义不同,因为隔离功能要求不仅只限于对隔离距离的要求。
9 (机械的)开关switch(mechanical)在正常的电路条件下(包括过载工作条件)能接通、承载和分断电流,也能在规定的非正常条件下(例如短路条件下)承载电流一定时间的一种机械开关电器。
注:开关可以接通短路电流,但不能分断短路电流。
10 隔离开关switch-disconnector在断开位置上能满足对隔离器隔离要求的一种开关。
11 断路器circuit-breaker能接通、承载和分断正常电路条件下的电流,也能在规定的非正常条件下(例如短路条件下)接通、承载电流一定时间和分断电流的一种机械开关电器。
电气英文翻译全称中文翻译缩写
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HP高压Highpress ure h eater HPH高压加热器His tory历史H istor icaldaterepor ter H DR 历史数据报告Hist orica l sto rage& ret rieva l uni t HSR历史数据报告存储与检索单元Hold保持Home家、处所Hopp er 漏斗、料斗Horivib(v ibrat ion)水平振动Hori zonta l 水平的、横式Horse powe r 马力Hose软管、水龙带H ot 热的Hot air热风H ot rh再热(器)热段Hot s tart热态启动Hotwell热水井Hour小时H p cyl cros s pip e 高压缸短管Hp tu rb ex h pre ss 高压缸排汽压力Hyb rid 混合物H ydrau lic 液压Hy droge n 氢(H)Hy droge n pur ity 氢气纯度Hydro bin/dewat ering bin脱水仓IId iosta ic 同电位的I dle 空载的、无效的Ig nitio n lig ht oi l 轻油点火Ig nitio n 引燃、电火I gnito r 电火器Ign ore 忽视Il lustr ate 说明Im pelle r 推进器、叶轮Imped ance阻抗I mport进口、引入Im pulse脉冲、冲击、冲量Inch IN 英寸In ching缓动、点动In come进线I ncrea se IN C 增加Inde x 索引、指示I ndica tor 指示器I ndivi dual单个的、独立的I nduct ive r eacta nce 感抗In put/o utput I/O输入/输出Ind uceddraft fanIDF 引风机I nduct ance电感I nduct ion m otor异步电动机Ind ustri al wa ter 工业水Indus try 工业In flata ble s eal 充气密封Inhi bit 禁止In itial最初的Inle t 入口Inpu t gro up 输入组In sert插入I nside内侧、内部In spect ion 观察、检查Inst all 安装In spect ion h ole 检查孔、人孔Ins talle d cap acity装机容量Ins tanta neous即时的、瞬时的Insta ntane ous p ower瞬时功率Inst ructi on 说明书、指南、指导I nstru ment仪器I nstru mentpanel仪表盘Insu late绝缘、绝热、隔离Insul ator绝缘子Intak e 输入端、进线Integ er 整数Int egral积分Inten sity强度I nterp ole 换向板I nter-stage extr actio n 中间抽头In terfa ce 接口Int erfer ence干扰、干涉Int erloc k 联锁<, /P>,Inte rmedi ate 中间的I ntern al 内部的In terro gatio n 质问、问号I nterr upt 中断In terva l 间隔Inte rlock auto on 联锁投自动Inve rter逆变器、反向器、非门Inv oiceINV 发票、发货单、托运Inter media te pr essur e IP中压I nterm ediat e rel ay 中间继电器Inval id 无效的、有病的Inv estme nt 投资Ion-exch ange离子交换器IP.cyl 中压缸I solat ion 隔离Is olato r 隔离、刀闸JJac kingoil 顶轴油J ackin g pum p 顶轴泵Job工作Jumpe r 跳线、跨接J uncti on bo x 接线盒KKey 键销、钥匙、键槽K eyboa rd 键盘Key libr ary 键库Ke y swi tch 键开关K ilovo lt-am pereKVA 千伏安K ink 弯曲、缠绕Knac k 技巧、窍门、诀窍Kni fe-sw itch闸刀开关LL abel标号、标签Lab orato ry 实验室La byrin th se al 迷宫密封L adder梯子、阶梯La dderdiagr am 梯形图La mp 灯、光源L argeplate n LAR GE PL T 大屏Last最后的Latc h 止动销、挂闸、插锁Le ak 泄漏(动词)Leak age 泄漏(名词)Lef t 左Lengt h 长度Leve l 液位、水平L ifebe lt 安全带、保险带Lif t 提、升Lig ht 光亮、点、点燃、照亮Light ning雷电L ightrun 空转Li ghtni ng ar resto r 避雷器Lim it LM T 极限、限制L imite r 限制器、限位开关Lin e 线、直线Li ne im pedan ce 线路阻抗L ining衬层、内衬Li nkage连杆List列表L iter公升L jungs tromtrise ctorair p rehea ters容克式空预器Lo ad 负荷Loa d dem and c omput e LDC负荷指令计算L oad i mpeda nce 负荷阻抗Loadlimit负荷限制Loa d rej ectio n 甩负荷Loa d she dding甩负荷Load ing 加负荷L oad t hrown on 带负荷L ocal局部L ocalatten dant现场值班员Loc al re pair现场检修Loca l sta rt 就地启动L ocalstop就地停止Loca tion处所、位置Loc k 闭锁、密封舱、固定Lo gger记录器、拖车Lo gic 逻辑Lo ng 长Loop环、回路Los s 损失、减少L oss o f exc itati on 励磁损失L oss o f pha se 失相Low低L ow pr ess L P 低压Lowpress heat er LP H 低压加热器L ow-ha lf 下半Low er 较低的、降低Lowe r hea tingvalue低位发热量Lo w pre ssure cyli nderLPC/L P CYL低压缸Lowtempe ratur e sup erhea ter L T SH低温过热器Lub oil润滑油Lub o il pu mp 润滑油泵L ubric ate L UB 润滑MMagen ta 品红色Ma gnet磁Ma in 主要的/主蒸汽的/电力网Mai n oil tank主油箱Main scre en 主屏Mai n ste am 主蒸汽Ma in tr ansfo rmer主变压器Main tenan ce 维护、检修、小修Ma inten ancemanua l 检修手册Ma jor o verha ul 大修Mak e up补充(补给)Ma kersworks制造厂Malf uncti on 出错、误动、失灵Ma nagem ent 管理、控制、处理M anhol e 人孔、检查孔、出入孔M anifo ld 各式各样的联箱、集气管Mano meter压力表Man-machi ne in terac tion人机对话Manu al 手动、手册Manua l rej ect M RE 手动切换M anual/Auto stat ion M/A ST ATION手动/自动切换站Mark型号、刻度、标志、特征M ass m emory大容量存储器M aster主要、控制者M aster cont rol r oom 主控室、中央控制室Maste r fue l tri p MFT主燃料跳闸Ma ximum最高的、最大M aximu m con tinue rate MCR最大连续率Mec hanoc alori c 热机的Mea n 平均值、中间的Mean wate r lev el 平均水位M easur e 量度、测量M echan ical机械的、力学的M echan icaltripvlv 机械跳闸阀Mech anism机械、力学、方法Medi al 中间的、平均的Med iate间接的、调解Me dium装置、介质、工质Megaw att 兆瓦Me mory存储M etal金属M eter集量器、仪表、米Meter swit ch 仪表开关M ethod方法、规律、程序Meth od of oper ation运行方式Mic a 云母Mica diel ectri c 云母电介质M icroc allip ers 千分尺M icrop hone麦克风、话筒Mi ddleMID 中间的M iddle-temp eratu re rh MT R H 中温再热器M ill 磨、磨煤机、铣刀M inimu m 最小的Min or ov erhau l 小修Minu s 减、负号Mi nus p hase负相位Minut e 分钟Miss oper ation误动作、误操作Misstrip拒跳闸Mista ke 错误、事故Mixed bed混床M ixtur e 混合物Man-mach ine i nterf ace M MI 人机接口M odem调制解调器Mod ify 修改Mo dulat ing c ontro l 调节控制Mo dulat ing v alve调节阀Modul e 模件Mois ture湿度、湿汽Mon itor监视器、监视Mo noxid e 一氧化物Mo nth 目Mot or MT R 马达Moto r con trolcente r MCC马达控制中心M otorwindi ng 电动机组绕组Moul dproo f 防霉的Mou nt 安装、固定Mount ain c ork 石棉Mo use 鼠标Mo ve 移动Mul tidro p 多站Mult ispee d 多速Mult-mult i 多、多倍Mu ltime ter 万用表M ultip licat ion 乘Mul tivib rator多谐振荡器NName名、名字Nat ural自然的Naugh t lin e 零线Need lepoi nt vl v 针阀Nega tive负的N egati ve pr essur e NEG PRES S 负压Neon test er 试电表Ne t rat ine/n et ou tput净出力Netwo rk 网络Neu tralline中性线Neutr al 中性的Ne utral poin t 中性点Nex t 其次的Nig ht sh ift 夜班Ni pper钳子、镊子Noi se 噪音No-loadi ng 空载Nom inal标称的、额定的N omina l pow er 额定功率N omina l rat ing 标称出力、额定出力Non-r eturn vlv逆止线Non-w ork 非工作的Norma l 正常的、常规的Norm al cl osedconta ct 常闭触点N ormal make up wt r 正常补水No t ava ilabl e 无效、不能用No to uch r elay无触点继电器No n-wor k pad / n-workpad 非工作瓦Nozzl e 喷嘴Numb er 数字、号码、数目Nu mberof tu rns 匝数N ut 螺母、螺帽OOc cur 发生Od d 奇数Offi ce 办公室Oi l 油Oil b reake r 油开关Oil er 注油器Oi l fue l tri p OFT油燃料跳闸Oi l gun油枪Oil i mmers ed na tural cool ing 油浸自然冷却Oil puri fier油净化装置On-line在线、联机的On-load test带负荷试验On/off开/关Onset开始、发作Op en 开、打开O pen-a ir 露天的、开启的Ope n-loo p 开环Open work户外作业Ope ratin g pan el 操作盘Op erati on 操作、运行Opera tiona l log运行记录Ope rator操作员Oper atorkeybo ard 操作员键盘Oper atorstati on 操作员站O perat or'salarm cons ole 操作员报警台Opt imal最优的、最佳的O ptima l val ue 最佳值Op tiona l 可选的Opt ion s witch选择开关Ori ficeplate孔板Origi nal 初始的、原始的Os cilla tor 振荡器O scill oscop e 示波器Out出、出口Out age 停用Ou t-of-servi ce 为投入运行的Outl et 出口Out put 产量、产品、输出O utput grou p 输出组Out side外边、外面Ove r cur rent过流O ver l oad 过负荷O verlo ad pr otect ion 过载保护Overa ll de sign总体设计Over volt age 过压Ov erflo w 溢流Over flowvlv s tatio n 溢流阀门站O verha ul 大修Ove rhaul life大修间隙Ove rhead顶部Overh ead l ine 架空线O verri de 超越Ove rspee d 超速Over speed trip超速跳闸Ove rview概述、总述Ow n dem and 厂用电量Oxide film氧化膜、氧化层Oxyge n 氧PPa ckage组件、包Pac ked g roup组合组Pad 瓦、衬垫Page页Pa nel 屏、盘P arame ter 参数Pa rt 部分、部件Partper m illio n PPM百万分率Pas sword口令Path路线P eak 峰值Pe ak lo ad 峰值负荷P endan t 悬吊Pend 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电气毕业设计用外文翻译(中英文对照)
The Transformer on load ﹠Introduction to DC Machine sThe Transformer on loadIt has been shown that a primary input voltage 1V can be transformed to any desired open-circuit secondary voltage 2E by a suitable choice of turns ratio. 2E is available for circulating a load current impedance. For the moment, a lagging power factor will be considered. The secondary current and the resulting ampere-turns 22N I will change the flux, tending to demagnetize the core, reduce m Φ and with it 1E . Because the primary leakage impedance drop is so low, a small alteration to 1E will cause an appreciable increase of primary current from 0I to a new value of 1I equal to ()()i jX R E V ++111/. The extra primary current and ampere-turns nearly cancel the whole of the secondary ampere-turns. This being so , the mutual flux suffers only a slight modification and requires practically the same net ampere-turns 10N I as on no load. The total primary ampere-turns are increased by an amount 22N I necessary to neutralize the same amount of secondary ampere-turns. In the vector equation , 102211N I N I N I =+; alternatively, 221011N I N I N I -=. At full load, the current 0I is only about 5% of the full-load current and so 1I is nearly equal to 122/N N I . Because in mind that 2121/N N E E =, the input kV A which is approximately 11I E is also approximately equal to the output kV A, 22I E .The physical current has increased, and with in the primary leakage flux to which it is proportional. The total flux linking the primary ,111Φ=Φ+Φ=Φm p , is shown unchanged because the total back e.m.f.,(dt d N E /111Φ-)is still equal and opposite to 1V . However, there has been a redistribution of flux and the mutual component has fallen due to the increase of 1Φ with 1I . Although the change is small, the secondary demand could not be met without a mutual flux and e.m.f. alteration to permit primary current to change. The net flux s Φlinking the secondary winding has been further reduced by the establishment of secondary leakage flux due to 2I , and this opposes m Φ. Although m Φ and2Φ are indicated separately , they combine to one resultant in the core which will be downwards at the instant shown. Thus the secondary terminal voltage is reduced to dt d N V S /22Φ-= which can be considered in two components, i.e. dt d N dt d N V m //2222Φ-Φ-=or vectorially 2222I jX E V -=. As for the primary, 2Φ is responsible for a substantially constant secondaryleakage inductance 222222/Λ=ΦN i N . It will be noticed that the primary leakage flux is responsiblefor part of the change in the secondary terminal voltage due to its effects on the mutual flux. The two leakage fluxes are closely related; 2Φ, for example, by its demagnetizing action on m Φ has caused the changes on the primary side which led to the establishment of primary leakage flux.If a low enough leading power factor is considered, the total secondary flux and the mutual flux are increased causing the secondary terminal voltage to rise with load. p Φ is unchanged in magnitude from the no load condition since, neglecting resistance, it still has to provide a total back e.m.f. equal to 1V . It is virtually the same as 11Φ, though now produced by the combined effect of primary and secondary ampere-turns. The mutual flux must still change with load to give a change of 1E and permit more primary current to flow. 1E has increased this time but due to the vector combination with 1V there is still an increase of primary current.Two more points should be made about the figures. Firstly, a unity turns ratio has been assumed for convenience so that '21E E =. Secondly, the physical picture is drawn for a different instant of time from the vector diagrams which show 0=Φm , if the horizontal axis is taken as usual, to be the zero time reference. There are instants in the cycle when primary leakage flux is zero, when the secondary leakage flux is zero, and when primary and secondary leakage flux is zero, and when primary and secondary leakage fluxes are in the same sense.The equivalent circuit already derived for the transformer with the secondary terminals open, can easily be extended to cover the loaded secondary by the addition of the secondary resistance and leakage reactance.Practically all transformers have a turns ratio different from unity although such an arrangement issometimes employed for the purposes of electrically isolating one circuit from another operating at the same voltage. To explain the case where 21N N ≠ the reaction of the secondary will be viewed from the primary winding. The reaction is experienced only in terms of the magnetizing force due to the secondary ampere-turns. There is no way of detecting from the primary side whether 2I is large and 2N small or vice versa, it is the product of current and turns which causes the reaction. Consequently, a secondary winding can be replaced by any number of different equivalent windings and load circuits which will give rise to an identical reaction on the primary .It is clearly convenient to change the secondary winding to an equivalent winding having the same number of turns 1N as the primary.With 2N changes to 1N , since the e.m.f.s are proportional to turns, 2212)/('E N N E = which is the same as 1E .For current, since the reaction ampere turns must be unchanged 1222'''N I N I = must be equal to 22N I .i.e. 2122)/(I N N I =.For impedance , since any secondary voltage V becomes V N N )/(21, and secondary current I becomes I N N )/(12, then any secondary impedance, including load impedance, must become I V N N I V /)/('/'221=. Consequently, 22212)/('R N N R = and 22212)/('X N N X = .If the primary turns are taken as reference turns, the process is called referring to the primary side. There are a few checks which can be made to see if the procedure outlined is valid.For example, the copper loss in the referred secondary winding must be the same as in the original secondary otherwise the primary would have to supply a different loss power. ''222R I must be equal to 222R I . )222122122/()/(N N R N N I ∙∙ does in fact reduce to 222R I .Similarly the stored magnetic energy in the leakage field )2/1(2LI which is proportional to 22'X I will be found to check as ''22X I . The referred secondary 2212221222)/()/(''I E N N I N N E I E kVA =∙==.The argument is sound, though at first it may have seemed suspect. In fact, if the actual secondarywinding was removed physically from the core and replaced by the equivalent winding and load circuit designed to give the parameters 1N ,'2R ,'2X and '2I , measurements from the primary terminals would be unable to detect any difference in secondary ampere-turns, kVA demand or copper loss, under normal power frequency operation.There is no point in choosing any basis other than equal turns on primary and referred secondary, but it is sometimes convenient to refer the primary to the secondary winding. In this case, if all the subscript 1’s are interchanged for the subscript 2’s, the necessary referring constants are easily found; e.g. 2'1R R ≈,21'X X ≈; similarly 1'2R R ≈ and 12'X X ≈.The equivalent circuit for the general case where 21N N ≠ except that m r has been added to allow for iron loss and an ideal lossless transformation has been included before the secondary terminals to return '2V to 2V .All calculations of internal voltage and power losses are made before this ideal transformation is applied. The behaviour of a transformer as detected at both sets of terminals is the same as the behaviour detected at the corresponding terminals of this circuit when the appropriate parameters are inserted. The slightly different representation showing the coils 1N and 2N side by side with a core in between is only used for convenience. On the transformer itself, the coils are , of course , wound round the same core.Very little error is introduced if the magnetising branch is transferred to the primary terminals, but a few anomalies will arise. For example ,the current shown flowing through the primary impedance is no longer the whole of the primary current. The error is quite small since 0I is usually such a small fraction of 1I . Slightly different answers may be obtained to a particular problem depending on whether or not allowance is made for this error. With this simplified circuit, the primary and referred secondary impedances can be added to give: 221211)/(Re N N R R += and 221211)/(N N X X Xe +=It should be pointed out that the equivalent circuit as derived here is only valid for normal operation at power frequencies; capacitance effects must be taken into account whenever the rate of change of voltage would give rise to appreciable capacitance currents, dt CdV I c /=. They are important at high voltages and at frequencies much beyond 100 cycles/sec. A further point is not theonly possible equivalent circuit even for power frequencies .An alternative , treating the transformer as a three-or four-terminal network, gives rise to a representation which is just as accurate and has some advantages for the circuit engineer who treats all devices as circuit elements with certain transfer properties. The circuit on this basis would have a turns ratio having a phase shift as well as a magnitude change, and the impedances would not be the same as those of the windings. The circuit would not explain the phenomena within the device like the effects of saturation, so for an understanding of internal behaviour .There are two ways of looking at the equivalent circuit:(a) viewed from the primary as a sink but the referred load impedance connected across '2V ,or (b) viewed from the secondary as a source of constant voltage 1V with internal drops due to 1Re and 1Xe . The magnetizing branch is sometimes omitted in this representation and so the circuit reduces to a generator producing a constant voltage 1E (actually equal to 1V ) and having an internal impedance jX R + (actually equal to 11Re jXe +).In either case, the parameters could be referred to the secondary winding and this may save calculation time .The resistances and reactances can be obtained from two simple light load tests.Introduction to DC MachinesDC machines are characterized by their versatility. By means of various combination of shunt, series, and separately excited field windings they can be designed to display a wide variety of volt-ampere or speed-torque characteristics for both dynamic and steadystate operation. Because of the ease with which they can be controlled , systems of DC machines are often used in applications requiring a wide range of motor speeds or precise control of motor output.The essential features of a DC machine are shown schematically. The stator has salient poles and is excited by one or more field coils. The air-gap flux distribution created by the field winding is symmetrical about the centerline of the field poles. This axis is called the field axis or direct axis.As we know , the AC voltage generated in each rotating armature coil is converted to DC in the external armature terminals by means of a rotating commutator and stationary brushes to which the armature leads are connected. The commutator-brush combination forms a mechanical rectifier,resulting in a DC armature voltage as well as an armature m.m.f. wave which is fixed in space. The brushes are located so that commutation occurs when the coil sides are in the neutral zone , midway between the field poles. The axis of the armature m.m.f. wave then in 90 electrical degrees from the axis of the field poles, i.e., in the quadrature axis. In the schematic representation the brushes are shown in quarature axis because this is the position of the coils to which they are connected. The armature m.m.f. wave then is along the brush axis as shown.. (The geometrical position of the brushes in an actual machine is approximately 90 electrical degrees from their position in the schematic diagram because of the shape of the end connections to the commutator.)The magnetic torque and the speed voltage appearing at the brushes are independent of the spatial waveform of the flux distribution; for convenience we shall continue to assume a sinusoidal flux-density wave in the air gap. The torque can then be found from the magnetic field viewpoint.The torque can be expressed in terms of the interaction of the direct-axis air-gap flux per pole d Φ and the space-fundamental component 1a F of the armature m.m.f. wave . With the brushes in the quadrature axis, the angle between these fields is 90 electrical degrees, and its sine equals unity. For a P pole machine 12)2(2a d F P T ϕπ= In which the minus sign has been dropped because the positive direction of the torque can be determined from physical reasoning. The space fundamental 1a F of the sawtooth armature m.m.f. wave is 8/2π times its peak. Substitution in above equation then gives a d a a d a i K i mPC T ϕϕπ==2 Where a i =current in external armature circuit;a C =total number of conductors in armature winding;m =number of parallel paths through winding;And mPC K a a π2=Is a constant fixed by the design of the winding.The rectified voltage generated in the armature has already been discussed before for an elementary single-coil armature. The effect of distributing the winding in several slots is shown in figure ,in which each of the rectified sine waves is the voltage generated in one of the coils, commutation taking place at the moment when the coil sides are in the neutral zone. The generated voltage as observed from the brushes is the sum of the rectified voltages of all the coils in series between brushes and is shown by the rippling line labeled a e in figure. With a dozen or so commutator segments per pole, the ripple becomes very small and the average generated voltage observed from the brushes equals the sum of the average values of the rectified coil voltages. The rectified voltage a e between brushes, known also as the speed voltage, is m d a m d a a W K W mPC e ϕϕπ==2 Where a K is the design constant. The rectified voltage of a distributed winding has the same average value as that of a concentrated coil. The difference is that the ripple is greatly reduced.From the above equations, with all variable expressed in SI units:m a a Tw i e =This equation simply says that the instantaneous electric power associated with the speed voltage equals the instantaneous mechanical power associated with the magnetic torque , the direction of power flow being determined by whether the machine is acting as a motor or generator.The direct-axis air-gap flux is produced by the combined m.m.f. f f i N ∑ of the field windings, the flux-m.m.f. characteristic being the magnetization curve for the particular iron geometry of the machine. In the magnetization curve, it is assumed that the armature m.m.f. wave is perpendicular to the field axis. It will be necessary to reexamine this assumption later in this chapter, where the effects of saturation are investigated more thoroughly. Because the armature e.m.f. is proportional to flux timesspeed, it is usually more convenient to express the magnetization curve in terms of the armature e.m.f. 0a e at a constant speed 0m w . The voltage a e for a given flux at any other speed m w is proportional to the speed,i.e. 00a m m a e w w e Figure shows the magnetization curve with only one field winding excited. This curve can easily be obtained by test methods, no knowledge of any design details being required.Over a fairly wide range of excitation the reluctance of the iron is negligible compared with that of the air gap. In this region the flux is linearly proportional to the total m.m.f. of the field windings, the constant of proportionality being the direct-axis air-gap permeance.The outstanding advantages of DC machines arise from the wide variety of operating characteristics which can be obtained by selection of the method of excitation of the field windings. The field windings may be separately excited from an external DC source, or they may be self-excited; i.e., the machine may supply its own excitation. The method of excitation profoundly influences not only the steady-state characteristics, but also the dynamic behavior of the machine in control systems.The connection diagram of a separately excited generator is given. The required field current is a very small fraction of the rated armature current. A small amount of power in the field circuit may control a relatively large amount of power in the armature circuit; i.e., the generator is a power amplifier. Separately excited generators are often used in feedback control systems when control of the armature voltage over a wide range is required. The field windings of self-excited generators may be supplied in three different ways. The field may be connected in series with the armature, resulting in a shunt generator, or the field may be in two sections, one of which is connected in series and the other in shunt with the armature, resulting in a compound generator. With self-excited generators residual magnetism must be present in the machine iron to get the self-excitation process started.In the typical steady-state volt-ampere characteristics, constant-speed primemovers being assumed. The relation between the steady-state generated e.m.f. a E and the terminal voltage t V isa a a t R I E V -=Where a I is the armature current output and a R is the armature circuit resistance. In a generator, a E is large than t V ; and the electromagnetic torque T is a countertorque opposing rotation.The terminal voltage of a separately excited generator decreases slightly with increase in the load current, principally because of the voltage drop in the armature resistance. The field current of a series generator is the same as the load current, so that the air-gap flux and hence the voltage vary widely with load. As a consequence, series generators are not often used. The voltage of shunt generators drops off somewhat with load. Compound generators are normally connected so that the m.m.f. of the series winding aids that of the shunt winding. The advantage is that through the action of the series winding the flux per pole can increase with load, resulting in a voltage output which is nearly constant. Usually, shunt winding contains many turns of comparatively heavy conductor because it must carry the full armature current of the machine. The voltage of both shunt and compound generators can be controlled over reasonable limits by means of rheostats in the shunt field. Any of the methods of excitation used for generators can also be used for motors. In the typical steady-state speed-torque characteristics, it is assumed that the motor terminals are supplied from a constant-voltage source. In a motor the relation between the e.m.f. a E generated in the armature and the terminal voltage t V isa a a t R I E V +=Where a I is now the armature current input. The generated e.m.f. a E is now smaller than the terminal voltage t V , the armature current is in the opposite direction to that in a motor, and the electromagnetic torque is in the direction to sustain rotation ofthe armature.In shunt and separately excited motors the field flux is nearly constant. Consequently, increased torque must be accompanied by a very nearly proportional increase in armature current and hence by a small decrease in counter e.m.f. to allow this increased current through the small armature resistance. Since counter e.m.f. is determined by flux and speed, the speed must drop slightly. Like the squirrel-cage induction motor ,the shunt motor is substantially a constant-speed motor having about 5 percent drop in speed from no load to full load. Starting torque and maximum torque are limited by the armature current that can be commutated successfully.An outstanding advantage of the shunt motor is ease of speed control. With a rheostat in the shunt-field circuit, the field current and flux per pole can be varied at will, and variation of flux causes the inverse variation of speed to maintain counter e.m.f. approximately equal to the impressed terminal voltage. A maximum speed range of about 4 or 5 to 1 can be obtained by this method, the limitation again being commutating conditions. By variation of the impressed armature voltage, very wide speed ranges can be obtained.In the series motor, increase in load is accompanied by increase in the armature current and m.m.f. and the stator field flux (provided the iron is not completely saturated). Because flux increases with load, speed must drop in order to maintain the balance between impressed voltage and counter e.m.f.; moreover, the increase in armature current caused by increased torque is smaller than in the shunt motor because of the increased flux. The series motor is therefore a varying-speed motor with a markedly drooping speed-load characteristic. For applications requiring heavy torque overloads, this characteristic is particularly advantageous because the corresponding power overloads are held to more reasonable values by the associated speed drops. Very favorable starting characteristics also result from the increase in flux with increased armature current.In the compound motor the series field may be connected either cumulatively, so that its.m.m.f.adds to that of the shunt field, or differentially, so that it opposes. The differential connection is very rarely used. A cumulatively compounded motor hasspeed-load characteristic intermediate between those of a shunt and a series motor, the drop of speed with load depending on the relative number of ampere-turns in the shunt and series fields. It does not have the disadvantage of very high light-load speed associated with a series motor, but it retains to a considerable degree the advantages of series excitation.The application advantages of DC machines lie in the variety of performance characteristics offered by the possibilities of shunt, series, and compound excitation. Some of these characteristics have been touched upon briefly in this article. Still greater possibilities exist if additional sets of brushes are added so that other voltages can be obtained from the commutator. Thus the versatility of DC machine systems and their adaptability to control, both manual and automatic, are their outstanding features.负载运行的变压器及直流电机导论负载运行的变压器通过选择合适的匝数比,一次侧输入电压1V 可任意转换成所希望的二次侧开路电压2E 。
电气主要名词翻译
电气专业主要名词翻译一、发电、输电1.发电机power generator2.柴油发电机组diesel generators3.储油间oil storage room4.控制柜control cabinet5.供电公司power supply company(s)6.供电局electricity supplier(s)二、高压配电high-voltage distribution1.高压进线柜high-voltage incoming cabinet/high-voltage inlet wiring carbinet2.高压电容补偿柜high-voltage capacitor compensate cabinet3.高压馈线柜high-voltage feeder cabinet4.高压开关柜、开关站high-voltage switch cabinet、high-voltage switchboard house5.高压柜型号the model of high voltage board6.高压柜编号high voltage board number7.高压柜尺寸the dimension of high voltage board8.配电总容量main distribution capacity9.真空断路器vacuum circuit breaker10.弹簧操作机构(直流操作)spring operation mechanism11.避雷器(lightning)arrester12.高供高量(高压供电、高压计量)high-voltage supply、high pressure measurement13.电气联锁electric lever interlocking14.直流屏direct current panels15.计量柜metering cabinet16.继电器relay三、变电所、变电站、开关站substation、switchboard house/switchyard1.变压器transformer2.低压配电柜、变压器柜、进线柜、无功补偿柜low-voltage distributors、3.配电箱(配电盘)switch box(electricity panel)4.配电线路distribution line5.塑壳断路器moulded case circuit breaker6.电容器、电抗器capacitor、reactor7.电流互感器current transformer8.电压互感器voltage transformer9.隔离开关isolating switch/disconnecting switch10.变电所低压主接线图low-voltage main wiring diagram of substation11.母线bus bar12.电缆cable13.导线electrical wire14.控制线control line15.工作电流operating current16.备用电源secondary power supplies17.功率因数补偿compensation of power factor18.变频站frequency changing station19.一次primary20.二次secondary四、动力1.双电源切换箱switch box for double power supply2.电力配电箱power switch box3.照明配电箱lightning switch box4.设备控制箱equipment control box5.电表箱meter box6.总等电位联结端子箱general equipotential bonding terminal box7.局部等电位联结端子箱local equal potential connection terminal box8.排烟风机smoke exhaust fan9.正压送风机pressurized forced draught fan10.排风机exhaust fan11.交流电动机alternating-current motor12.直流电动机direct-current motor13.电梯elevators14.自动扶梯escalator15.电梯控制箱elevators control box五、照明1.工作照明work lighting2.备用照明back up lighting3.应急照明emergency lighting4.疏散照明evacuation lighting5.蓄电池storage battery6.荧光灯fluorescent lamp7.白炽灯incandescent lamp8.节能灯energy-saving lamp9.吸顶灯ceiling lamp10.防水防尘灯waterproof and dustproof lamp11.密闭灯closed lamp12.壁灯bracket lamp13.灯座socket/lamp holder14.应急照明灯emergency lighting fixtures15.疏散指示灯evacuation lighting fixtures16.安全出口标志灯safety exit light17.换气扇ventilating fan18.双控开关double-control switch19.双联开关double connection plane switch/flashing at two points20.单联开关single connection switch21.三联开关tripe connection switch22.密闭开关enclosed switch23.防爆开关flame-proof switch24.控制按钮control button25.安全型两极加三极插座safe socket with two poles and three poles26.安全型两极加三极密闭插座safe closed socket with two poles and three poles27.带开关三极插座three poles socket with switch28.带开关两极插座two poles socket with switch29.带开关两极加三极插座two poles and three poles socket with switch30.安全型三极插座safe three poles socket31.眩光glare六、专有名词1.有功功率effective power2.无功功率reactive power3.视在功率apparent power4.线电压line voltage5.线电流line current6.相电压phase voltage7.相电流phase current8.额定电压rated voltage9.电阻resistance10.光通量luminous flux11.照度、照明、亮度illuminance、lighting、luminance12.接地系统earth network13.接地电阻grounding resistance14.接地线earthing conductor15.密闭母线槽、电缆桥架、金属线槽、金属管、塑料管closed bus bar groove、cable tray、metallic channel、metal pipe、plastic pipe16.耐火电缆(导线)、矿物绝缘电缆fire-proof cable(wire)、mineral insulated cable17.阻燃电缆(导线fire-retardant cable(wire)18.绝缘insulation19.绝缘子insulator20.接线图connection diagram21.电涌保护器surge protector22.漏电保护leakage protective23.避雷带(针)、避雷器mesh(lighting rods)、lightning arrester24.功率因数power factor25.蓄电池storage battery26.有效值、平均值、最大值、最小值effective value、mean value、maximum value、minimumvalue27.瞬时值instantaneous value28.频率frequency29.电流互感器current transformer30.电压互感器voltage transformer31.电容器capacitor32.电抗器reactor33.过电流保护overcurrent protection34.过电压保护overvoltage protection35.过载保护overload protection36.零序保护zero sequence protection37.机械联锁mechanical interlocking38.电气联锁electeic lever interlocking39.过流速断保护instantaneous over-current relay40.照度计算illuminance calculation41.负荷计算calculation method42.压降计算calculation of pressure drop43.防雷计算lightning protection calculation。
电气英语翻译专业词汇
电⽓英语翻译专业词汇电⽓⼯程词汇voltage 电压current 电流resistance 电阻reactance 电抗impedance 阻抗conductance 电导inductance 电感inductor 电感器capacitance 电容capacitive 电容性的,电容的shunt capacitor 并联电容器shunt 并联series 串联series circuit 串联电路parallel circuit 并联电路conductor 导线voltmeter 电压表ammeter 电流表arc 电弧charge n 电荷v充电,带电,起电discharge v 放电bridge 电桥valve 电⼦管deenergize 断路dielectric 不导电的/绝缘的generator 发电机motor 电动机audion 三极管diode ⼆极管potentiometer 电位器step-up transformer 升压变压器power system 电⼒系统,电⽹transmission line 输电线breaker 断路器relay 继电器demodulator 解调器radiator 散热器ventilation 通风,换⽓,通风装置alternating relay 交流继电器integrated circuit amplifier 集成电路放⼤器transistor amplifier 晶体管放⼤器terminal 端⼦amplifier/magnifier 放⼤器cable n 电缆v架设电缆fuse 保险丝熔断器interface 接⼝amplitude 振幅幅度波幅digital signal 数字信号coupling 耦合intermittent 周期的dislocation 错位malfunction 故障medium 介质screen 屏蔽dampen 阻尼socket 插孔ground plane 接地层three-phasen 三相potential difference 电位差active element 有源元件ideal independent source 理想独⽴电源watt hour meter 感应线圈frequency changer 变频器control switch 控制开关selector switch 选择开关current transformer 电流互感器power transformer 电⼒变压器phase voltage 相电压constant voltage source 恒定电压源alternating current 交流电流inverting 反相out of phase 异相self-inductor ⾃感mutual-inductor 互感ampere 安培coulomb 库仑joule 焦⽿resistor 电阻器charger 充电器semiconductor 半导体absolute value 绝对值operating supply voltage 电源⼯作电压专业词汇Isolator ⼑闸(隔离开关) Susceptance 电纳regulator 稳压器admittance 导纳rectifier 整流器busbar 母线analog signal 模拟信号asynchronism 异步synchronization 同步armature 电枢attenuate 衰减steam-turbine-driven generator ⽓轮发电机turbine generator 涡轮发电机magnetic flux 磁通量oscilloscope ⽰波器oscillator 震荡器multimeter 万⽤表overlay 叠加效果rated power 额定功率power amplifier 功率放⼤器active voltage 有效电压voltage to current converter 电压电流变换器transformer substation变电站regulation 调节degree of compensation补偿度high voltage shunt reactor⾼抗reactive power compensation⽆功补偿three-column transformer三绕组变压器double-column transformer双绕组变压器power-factor 功率因数voltage grade 电压等级no-load current 空载电流impedance 阻抗positive sequence impedance正序阻抗negative sequence impedance 负序阻抗zero sequence impedance零序阻抗susceptance 电纳stator 定⼦high voltage ⾼压fixed series capacitor compensation固定串联电容补偿voltage stability 电压稳定angle stability 功⾓稳定installed capacity 装机容量transformer substation 变电站degree of compensation 补偿度line drop compensation(LDC)线路补偿器circuit theorems 电路定理superposition theorem 叠加定理substitution theorem 替代定理thevenin-Norton Theorem 戴维宁定理electromagnetism 电磁; 电磁学low-frequency amplifier 低频放⼤器low-frequency bypass 低频旁路voltage distortion 交流电压校准器Single Chip Microprocessor(SCM)单⽚机alternating current(AC) 交流/交流电adjustable pressure conveyor 调压输送机allowable load impedance 允许的负载阻抗closed loop control 闭环控制closed loop voltage gain 闭环电压增益closed-loop gain 死循环增益clutch 离合器/联轴器commutator/rectifier 整流器cut off voltage 临界电压cut-in voltage 闭合电压dielectric adj. 不导电的/绝缘的dielectric puncture 击穿electrical durability 电寿命(万次)electromagnetic resonance 电磁感应electromotive force 电动⼒/电动势positive charge 正电荷negative charge 负电荷Automatic Generation Control(AGC) ⾃动发电控制Power System Stabilizator(PSS) 电⼒系统稳定器polyphase 多相(的)iron-loss 铁损armature circuit 电枢电路dynamic response 动态响应time invariant adj.时不变的self-inductor ⾃感mutual-inductor 互感polarity 极性ventilation 通风,换⽓,通风装置interface 接⼝demodulator 解调器balance indicator 交流平衡指⽰器current calibrator 交流电流校准器resistance box 交流电阻箱voltage distortion 交流电压校准器standard resistor 交流标准电阻器low-frequency bypass 低频旁路power pool 联合电⼒系统;联合电⽹electromagnetism 电磁; 电磁学core/shell forme 铁⼼式/壳式potential difference 电位差dual in-line packages 双列直插式组件automatic control system ⾃动控制系统torque motor ⼒矩电动机amplifier using discrete 分离元件放⼤器potentiometer 电位器voltage-current characteristic 伏安特性topology 拓扑termocouple 热电偶exitation 激发;激励;⼲扰air-gap ⽓隙polyphase n.多相adj. 多相的breakdown torque 失步转矩locked-rotor torque ⽌转转矩nominal frequency 额定频率subtransmission ⼆次输电hydro-generation ⽔⼒发电feeder 馈线;馈电电路thermal unit 热⼒机组active power balance 有功功率平衡load-frequency control(LFC)负荷频率控制sychronous condenser 同步调相机tap-changing transformer 可调分接头变压器tap coil 跳闸线圈magnetic air circuit breaker 磁吹断路器automatic generation control (AGC)⾃动发电控制circuit board 电路板direct current(DC)直流电eddy current 涡流corridor 通路induced current 感⽣电流laminated core 叠⽚铁芯left-hand rule 左⼿定则volt-ampere characteristics 伏安特性simulation analysis 仿真分析one machine - infinity bus system 单机⽆穷⼤系统Electrical Machinery电机学Automatic Control Theory⾃动控制理论Electrotechnics Principle of Circuits 电⼯学Electrical Drive and Control电⼒传动与控制brownout 节约⽤电cathode 阴板、负极cation exchanger 阳离⼦交换器circuit breaker 电路断路器circuit diagram 电路图coaxial cable 同轴电缆cooling tower 冷却塔intermediate relay 中间继电器jumper 跳线、跨接lightning arrestor 避雷器installed capacity 装机容量instrument panel 仪表盘instantaneous power 瞬时功率loss of excitation 励磁损失manual reject ⼿动切换overhead line 架空线plant load factor 电⼚负荷因数potential transformer电压互感器overspeed trip 超速跳闸pyod 热电偶safe potential 安全电压shield 屏蔽层single blade switch单⼑开关star connected system星形连接制"Y" static storage 静态存储器station capacity 发电⼚容量step-down transformer降压变压器substation 变电站、⼦站subtransmission ⼆次输电thermal power plant 热⼒发电⼚thumb rule 安培右⼿定则trip 跳闸、断开star connected system星形连接制"Y"A/C adaptor 电源适配器analog to digital 模拟/数字转换ac induced polarization instrument 交流激电仪adjustable pressure conveyor 调压输送机allowable load impedance 允许的负载阻抗charge neutrality 电中性区Charge Termination Voltage 允电端电压/允电端接电压circuit diagram 电路板circuit switching 电路交换closed-loop voltage gain 死循环电压增益connectors 插接器constant voltage modulation 稳压调节current attenuation 电流减衰装置Current by Phase (AMP) 每相电流current limitative range 电流限制范围cut off voltage 临界电压cut-in voltage 闭合电压Discharge Termination Voltage 放电端电压dropout voltage 跌落电压eddy current 涡电流electormagnetic braking sytem 电磁制动系统electric dipole 电偶极⼦electric shielding 电屏蔽Frequency Hopping 跳频input-output control system (IOCS) 输⼊输出控制系统offset voltage 失调电压。
电气自动化专业英语(修订版)单词翻译-推荐下载
disk 磁盘,磁碟片 loudspeaker 扩音器,麦克风 deflection 挠曲,挠度 strain gage 应变计量器 tachometer 转速计 thermocouple 热电偶 oscilloscope 示波器 analytical 解析的 numerical 数值的 integrate 求……的积分 scale 改变比例 frequency-domain 频域 random 随机的 audio 音频的 operation amplifier 运算放大器 summation 求和,加法 sophisticated 复杂的,完善的 mass-product 大量生产 subtract 减去,减 interting amplifier 反相放大器 uninterting amplifier 同相放大器 derive? 推导 active filter 有源滤波器 stabilize 使稳定 moderate 适度的,适中的 virtue 优点 amplification 扩大 capacitor 电容器 impedance 阻抗 bode plot 波特图 simulate 模拟,仿真 narrowband filter 带通滤波器 low-pass filter 低通滤波器 high-pass filter 高通滤波器 differential equation 微分方程 prebias 预偏置 summer 加法器 weighted 加权的 refinement 改进 accommodate 适当
milliammeter 毫安表 multimeter 万用表 dynamometer 测力计,功率计 aluminum 铝 deteriorate (使)恶化 eddy current 涡流 gear 齿轮,传动装置 dial 刻度表
电气英文翻译全称中文翻译缩写
Carrier protection 高频保护
cascade CAS 串级
Case pipe 套管
casine 壳、箱
casual 偶然的、临时、不规则的
Casual inspection 不定期检查、临时检查
casualty 人身事故、伤亡、故障
catastrophe 灾祸、事故
Catastrophe failure 重大事故
Cat-pad 猫爪
cathode 阴板、负极
Cathode ray tube CRT 显示器
Cation exchanger 阳离子交换器
caution 注意
Center 中心
centigrade 摄氏温标
Central control room 中控室
Air preheater 空气预热器
Air receiver 空气罐
Alarm 报警
algorithm 算法
alphanumeric 字母数字
Alternating current 交流电
Altitude 高度,海拔
Ambient 周围的,环境的
Ambient temp 环境温度
Check valve CK VLV 截止线、止回线
Chemical 化学
Chemical dosing 化学加药
Chest 室
Chief 主要的、首长、首领
Chief engineer 总工程师
Chief operator 值班长
Chimney 烟囱、烟道
Chlorine 氯
Axis disp protection 轴向位移,保护
电气专业英语课文翻译
电气专业英语课文翻译An electric circuit (or network) is an interconnection of physical electrical device. The purpose of electric circuits is to distribute and convert energy into some other forms. Accordingly, the basic circuit components are an energy source (or sources), an energy converter (or converters) and conductors connecting them.电路(或者网络)是物理电气设备的一种互相连接。
电路的目的是为了将能量分配和转换到另外一种形式中。
因此,基本的电路元件包括电源、电能转换器以及连接它们的导体。
An energy source (a primary or secondary cell, a generator and the like) converts chemical, mechanical, thermal or some other forms of energy into electric energy. An energy converter, also called load (such as a lamp, heating appliance or electric motor), converts electric energy into light, heat, mechanical work and so on.电源(原生电池或者再生电池、发电机等类似装备)将化学能量、机械能量,热能或者其他形式的能量转换成电能。
电能转换器(也称为负载,如灯泡、电热器或者电动机)将电能转换成光、热、机械运动等等。
电气工程专业英语
电气工程专业英语Electrical Engineering专业英语1. Circuit analysis: 电路分析2. Power systems: 电力系统3. Control systems: 控制系统4. Electromagnetics: 电磁5. Electronics: 电子学6. Communication systems: 通信系统7. Digital signal processing: 数字信号处理8. Microelectronics: 微电子学9. Power electronics: 功率电子学10. Mechatronics: 机电一体化11. Electric machines and drives: 电机及驱动12. Renewable energy systems: 可再生能源系统13. High voltage engineering: 高压工程14. Electrical measurements: 电测量15. Electrical materials: 电材料16. Microwave engineering: 微波工程17. Optoelectronics: 光电子学18. Nanoelectronics: 纳米电子学19. Electromagnetic compatibility: 电磁兼容20. Robotics: 机器人学21. Artificial intelligence: 人工智能22. Embedded systems: 嵌入式系统23. Image and signal processing: 图像与信号处理24. Control theory: 控制理论25. Wireless communication: 无线通讯26. Power system protection: 电力系统保护27. Analog circuit design: 模拟电路设计28. Digital circuit design: 数字电路设计29. Fuzzy logic control: 模糊逻辑控制30. Biomedical engineering: 生物医学工程。
电气翻译
1.Digtal Ammeter Adjustable, Aux input, 230V1.可调数字电流表,辅助输入,230V2. Digtal Kw Meter Adjustable, Aux input;2.可调数字千瓦计,辅助输入3.Bus Bar, Folk type3. 母线(汇流排)Folk型(这里有没有打错?folk是民俗的意思,有点对不上,是否是fork,那么是叉型)4.Copper Cable Lug 16mm, Bolt hole 10mm4.铜的电缆接线端子,16mm,螺栓孔10mm5. Pre Insulation Terminal, Folk type5.预绝缘端子,Folk型(叉型)6.Terminal Block, Ding rail type6.接线板,丁轨型7.Current Transformer7.电流变压器(互感器)8. Insulated Earth Link.8.绝缘接地线路9.Mouth type wiring duct (slotted)HxW 20x25.9.开口型布线管道(开槽的)高×宽(25×25)光电传感器Photoelectric sensor 旋转编码器Revolving encoder单片机Monolithic integrated circuitI/O模块I/O module变频器Frequency changer电机Electrical machineContact接触器device ry继电器Relay按钮Button接近开关Proximity switch光电开关Electro-optical switch电气元件Electrical element高速计数器High speed counter主电路接线图Main circuit wiring diagramPLC模块端子接线图PLC module post wiring diagram。
电气常用英文术语
电气常用英文术语以下是一些电气工程中常用的英文术语:- Electrical engineering 电气工程- Electrical circuit 电路- Electrical power 电力- Electrical current 电流- Voltage 电压- Resistance 电阻- Capacitance 电容- Inductor 电感- Transformer 变压器- Motor 电动机- Generator 发电机- Switch 开关- Relay 继电器- Circuit breaker 断路器- Fuse 熔断器- Cable 电缆- Wire 电线- Connector 连接器- Sensor 传感器- Transmitter 变送器- Receiver 接收器- Amplifier 放大器- Oscillator 振荡器- Filter 滤波器- Rectifier 整流器- Inverter 逆变器- Battery 电池- Solar cell 太阳能电池- Lightning arrester 避雷器- Grounding 接地- Insulation 绝缘- Electrical safety 电气安全- Power electronics 电力电子学- Electrical drives 电气传动- Electrical machines 电机- Electrical control systems 电气控制系统- Electrical instrumentation 电气仪表- Electrical energy storage 电能存储- Smart grid 智能电网。
electric中文翻译
electric中文翻译electric可以翻译为“电的”、“电力的”、“电动的”等含义。
以下是一些用法和中英文对照例句:1. 电的(electric as an adjective):- The electric shock was painful.(电击很痛苦。
)- The electric kettle boiled water quickly.(电水壶很快烧开水。
)2. 电力的(electric as a noun):- We need to conserve electric.(我们需要节约用电。
)- The building lost electric during the storm.(大楼在暴风雨期间停电了。
)3. 电动的(electric as a prefix):- This car is electric-powered.(这辆车是电动的。
)- The electric toothbrush is more effective than a manual one.(电动牙刷比手动的更有效。
)4. 电气设备(electric as a noun):- The electric in the house needs to be inspected.(房子的电气设备需要检查。
)- The electrician repaired the faulty wiring.(电工修理了有问题的电线。
)5. 电子(electric as a prefix):- The company produces various electric devices.(该公司生产各种电子设备。
)- I bought an electric guitar for my son.(我给儿子买了一把电吉他。
)6. 电动工具(electric as a noun):- He used an electric drill to create the hole.(他用电钻打了一个洞。
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河南理工大学毕业设计外文翻译河南理工大学本科毕业设计外文翻译姓名:班级:学号:原文:Green BuildingAbstract: Green building refers to doing its best to maximize conservation of resources (energy, land, water, and wood),protecting the environment and reducing pollution in its life cycle. Providing people with healthy, appropriate and efficient use of space, and nature in harmony symbiosis buildings. I described more details of green building design’ notion, green building’ design, as well as the significance of the concept of green building and improving the effectiveness analysis of the external effects of green building measures,Key words: green buildings; protect the ecology; signification ; analysing the effects1.What is a green buildingGreen building refers to building life cycle, the maximum conservation of resources (energy, land, water and materials), protecting the environment and reducing pollution, providing people with healthy, appropriate and efficient use of space, and nature harmony of the building. The so-called green building "green" does not mean a general sense of three-dimensional green, roof garden, but represents a concept or symbol, refers to building environmentally and friendly, makes full use of natural resources, environment and basic ecological damage to the environment without balance of a building under construction, but also known as sustainable building, eco-building, back into the wild construction, energy saving construction.Green building interior layout is very reasonable, to minimize the use of synthetic materials, full use of the sun, saves energy for the residents and creates almost-natural feeling.People, architectures and the natural environment for the harmonious development goals, in the use of natural and artificial means to create good conditions and healthy living environment, as much as possible to control and reduce the use and destruction of the natural environment, to fully reflect the nature obtain and return balance.2. the meaning of green buildingThe basic connotation of green building can be summarized as: to reduce the load on the environment architecture, which saves energy and resources; provides a safe, healthy, comfortable living space with goods; affinity with the natural environment, so that people and building's coexistence with the environment and sustainable development becomes harmonious .3.Development of the significance of green building rating systemEstablish green building rating system is a revolution in the field of architecture and the Enlightenment, its far more than energy savings. It is innovative in many ways and organic synthesis, thereby building in harmony with nature, full utilization of resources and energy, create healthy, comfortable and beautiful living space. It's revolutionary for the field of architecture from the technical, social and economic angles.3.1 Technical SignificanceGreen building study of early technical problems of individual-based, technology is isolated and one-sided, not formed an organic whole, the integration of design and economic study of consciousness is far from the only strategy of economic analysis phase of the subsidiary's knowledge . However, individual technical research results of early modern green building techniques for the multi-dimensional development and systems integration will lay a solid foundation. Since the nineties of the 20th century, with the understanding of green building gradually deepen and mature, people give up way too utopian thinking environmental consciousness and moral constraints and spontaneous green behavior, turned to explore more workable environmental philosophy, environmental and capital combined into the future world with the new direction of development of environmental protection, green building has entered a result of ecological ethics from the practice of promoting ecological research to deepen the new stage. Green Building Technology takes on the natural science, social science, humanities, computer science, information science and other subjects the trend of integration of research results, making green building design into the multi-dimensional stage of development strategy study. The deepening of green building technology strategy and development in materials, equipment, morphology and so on. Various advanced fields, in technology development, technology and otherdesign elements of the integration is also starting from the past the simple addition, more attention to the periphery of the retaining structure itself design technology and architecture to combine the overall system change, gradually becoming green building systems. Green building rating system was established green building technologies gradually improve and systematize the inevitable result, it is the organic integration of green building technology, a platform built to green building technology, information technology, computer technology and many other subjects can be a unified platform in their respective roles, the establishment of a comprehensive evaluation system for designers, planners, engineers and managers a more simple, Guizhangmingque green building assessment tools and design guidelines with clear rule.3.2 The social significance.Green building rating system reflects the social significance of the main advocates of the new way of life, heightened awareness and public participation in the continuation of local culture are two aspects.To promote a healthy lifestyle. Green building rating system, the social significance of the primary advocate a healthy lifestyle, which is based on the design and construction of green buildings as a community education process. The principles of green building rating system is the effective use of resources and ecological rules to follow, based on the health of building space to create and maintain sustainable development. The concept of the past to correct people's misconceptions about consumer lifestyles, that can not blindly pursue material luxury, but should keep the environment under the premise of sustainable use of modest comfort to pursue life. From the fundamental terms, construction is to meet human needs built up of material goods as people's lifestyle is not sustainable when, the value of green building itself will be reduced, but only had a real social need When the requirements of sustainable development and way of life that matches the green building to achieve the best results.Enhanced awareness of public participation. Green Building Rating system is not a monopoly for the design staff of professional tools, but for planners, designers, engineers, managers, developers, property owners, jointly owned by the public andother assessment tools. It brokes the previous professional development of the monopoly to encourage the participation of the public and other public officers. Through public participation, the introduction of architects and other building users, the construction of dialogue participants, making the original design process dominated by the architect becomes more open. Proved the involvement of various views and a good help to create a dynamic culture, embody social justice community.3.3 The economic significance.Green building rating system, the economic significance can be divided into macro and micro levels. At the macro level, the green building rating system from the system life-cycle perspective, the green building design integrated into the economic issues involved in the production from the building materials, design, construction, operation, resource use, waste disposal, recycling of demolition until the natural resources the whole process. Economic considerations of green building is no longer limited to the design process itself, while the policy extended to the design of the narrow role to play to support the policy level, including the establishment of "green labeling" system, improving the construction environmental audit and management system, increase and construction-related energy consumption, pollutant emissions and other acts of tax efforts, improve the legal system of environmental protection, from the increase in government construction projects on the sustainability of economic support and raise the cost to the construction of polluting the environment acts as the costs for green buildings design and construction to create a favorable external environment. This goal is not entirely the responsibility of government agencies, as the architects involved in design work as a sound system of responsibility for recommendations obligations, because only the most from the practice of the need is real and urgent. The related policy issues in green building design strategies, building a system to solve the economic problems facing the important aspects. At the micro level, the current from the economic point of Design Strategy is more fully consider the economic operation of the project, and specific technical strategies accordingly adjusted.3.4 Ethical Significance.Green building rating system, the theoretical basis of the concept of sustainable development, therefore, whether the evaluation system of each country how much difference in structure, they all have one thing in common: To reduce the burden of ecological environment, improve construction quality of the environment for future generations to remain the development of room. This radically changes the long-sought human blindly to the natural attitude, reflecting people's understanding of the relationship between man and nature by the opposition to the uniform change. According to the current global energy reserves and resources distribution, the Earth's natural environment is also far from the edge of exhaustion, enough people enjoy the luxury of contemporary material life. But now we have to consume a resource, it means that future generations will be less of a living space. More importantly, if we consume the natural environment more than it can limit self-renewal, then the future of the younger generation is facing the planet's ecosystems can not recover the risk into a real crisis. Therefore we can say, the development of green buildings and their corresponding evaluation system, for more contemporary people is the responsibility and obligations. For more the interests of future generations and advantages for green building design.4.Green building design include the followings:Saving energy: full use of solar energy, using energy-efficient building reducing heating and air conditioning use. Set according to the principle of natural ventilation cooling system that allows efficient use of building to the dominant wind direction in summer. Adapted to local climatic conditions, building use form and general layout of the plane.Resource conservation: in the building design, construction and selection of construction materials, are considered fair use and disposal of resources. To reduce the use of resources, strive to make the use of renewable resources. Conserve water resources, including water conservation and greening.Return to Nature: Green Building exterior to emphasize integration with the surrounding environment, harmony, movement each other so that the protection of natural ecological environment.5 .Effects of green building5.1 Effects of the composition of green buildingEffects of green building, including internal effects and external effects, direct benefits and direct costs as the internal effect, known as the indirect benefits and indirect costs of external effects, according to engineering economics point of view: the internal effects can be financial evaluation, external effects should be economic evaluation, economic evaluation is based on the so-called rational allocation of scarce resources and socio-economic principles of sustainable development, from the perspective of the overall national economy, study projects spending of social resources and contributions to the community to evaluate the project's economic and reasonable and external effects generally include industry effects, environmental and ecological effects, technology diffusion effect, the external effect will cause the private costs (internal costs or indirect costs) and social costs inconsistent, leading to the actual price is different from the best price. From the perspective of sustainable development, green building assessment effects of the main indicators of external effects.Since beginning the development of green building, unity of quantitative indicators system is still not established, I believe that the following aspects should be analyzed: (1) strictly control the construction industry, size, limit the number of employees. Extensive growth model epitomized by the struggle over the construction project, the construction process using human wave tactics, once the state limit the scale of construction, will form the "adequate", which will not reduce the degree of mechanization, labor, the low level. (2) more investments in upgrade technology, establish and perfect the mechanism for scientific and technical equipment. Focus on the development and application of building technology, combined with the project, the characteristics of future construction, a planned way scientific and technological research and development of new machinery, new processes, new materials, and actively introduction, absorb and assimilate the advanced scientific and technological achievements of science and technology to improve the level of mechanization. (3) in urban planning, survey and design through the "green building" ideas. Family housingand urban construction or alteration must remain in the room, from lighting, ventilation, drainage and control the damages to the environment. (4) construction work, reduced resource consumption, the production process in construction, energy saving measures should be adopted to prevent the excessive consumption of land resources, water resources, power resources.5.2 External effects of the challenges to building the economyUnder the control of the government's intervention, to a certain extent on the efficient allocation of resources to strengthen the implementation of energy conservation mandatory standards for construction supervision. To further improve the building energy monitoring system, and strengthen the mandatory building energy efficiency standards in order to carry out the implementation of the project as the main content of the whole process of monitoring, particularly for large public buildings to enhance the building energy regulation, reflected in the project cost on the part of internal costs, making the "non-green building" project's internal costs, internal efficiency and reducing the external costs of green building, the external efficiency increasing, so that effective economic resources to the rational flow of green building.6. to improve the external effects of green building measures Enterprise architecture in the new economy to obtain a competitive advantage, improve the external effects only continually tap the ways and means to improve the external efficiency, reduce external costs, the basic ideas and principles: (1) Construction of natural resources in the life cycle and minimized energy consumption;(2) reducing building life cycle emissions; (3) protecting the ecological (natural) environment; (4) to form a healthy, comfortable and safe indoor space; (5) the quality of construction, functionality, performance and environmental unity.Summarydescribed above, the meaning of green building design and analysis of its effectiveness and improve the external effects of green building measures. But how does the future design of green buildings need a degree in practice we try to figure out, I believe that green building will become the trend of future construction.译文:绿色建筑摘要:绿色建筑是指在建筑的全寿命周期内,最大限度地节约资源(节能、节地、节水、节材)、保护环境和减少污染,为人们提供健康、适用和高效的使用空间,与自然和谐共生的建筑。