电气专业专业词汇.doc

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1、电气工程常用中英文名词对译电路的基木概念及定律电源source电压源volUigesource电流源currentsource理想电压源idealvoltagesource理想电流源idealcurrentsource伏安特性volt-amperecharacteristic电动势electromotiveforce电压voltage电流current电位potential电位并potentialdifference欧姆Ohm伏特Volt安培Ampere瓦特Watt焦耳Joule电路circuit电路元件circuitelement电阻r

2、esistance电阻器resistor网络network无源二端网络passivetwo-terminalnetwork有源二端网络activetwo-terminalnetwork戴维宁定理Thevenin'stheorem诺顿定理Norton'stheorem交流电路直流电路directcurrentcircuit(de)交流电路alternatingcurrentcircuit(ac)正弦交流电路sinusoidala-ccircuit平均值averagevalue冇效值effectivevalue均方根值root-mean-sq

3、uirevalue(rms)N舜时值instantaneousvalue电抗reactanee初相位initialphase相位并phasedifference相位领先phaselead相位落丿phaselag赫兹Hertz相最phasor有功功率activepower电感inductance电感器inductor电容capacitance电容器capacitor电路模型circuitmodel参考方向referencedirection参考电位referencepotential欧姆定律Ohm'slaw基尔霍夫定律Kirchhoffsl

4、aw基尔霍夫电乐•泄律Kirchhoffsvoltagelaw(KVL)基尔霍夫电流定律Kirchhoffscurrentlaw(KCL)结点node支路branch冋路loop网孔mesh支路电流法branchcurrentanalysis网孔电流法meshcurrentanalysis结点电位法nodevoltageanalysis电源变换sourcetransformations叠加原理superpositiontheorem开路(断路)opencircuit短路shortcircuit开路电压open-circidtvoltage

5、短路电流short-circuitcurrent感抗inductivereactanee容抗capacitivereactance法拉Farad亨利Henry阻抗impedance复数阻抗compleximpedance相位phase倒相，反相phaseinversion频率frequency角频率angularfrequency相量图phasordiagram无功功率reactivepower视在功率apparentpower功率因数补偿power-factorcompensation串联谐振seriesresonance并联谐振par

6、allelresonance谐振频率resonancefrequency频率特性frequencycharticteristic幅频特性amplitude-frequencyresponsecharacteristic相频特性phase-frequencyresponsecharacteristic截ll••频率cutofffrequency品质因数qualityfactor通频带pass-band三相电路三相电路three-phasecircuit•，相电源three-phasesource对称三相电源symmetricalthree-

7、phasesource对称三相负载symmetricalthree-phaseload相电PRphasevoltage相电流phasecurrent线电压linevoltage线电流linecurrent三相三线制three-phasethree-wiresystem三相四线制three-phasefour-wiresystem•一相功率three-phasepower继电器■接触器控制按钮button熔断器fuse开关switch行程开关travelswitch继电器relay接触器contactor可编程控制器(PLC)可编程控制器p

8、rogrammablelogiccontroller语句表statementlist电动机直流电动机demotor交流电动机acmotor异步电动机asynchronousmotor同步电动机