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1、Electrical Phrase AbrvsAbrvPhraseCHRemarkVCBVacuum Circuit Breaker真空断路器ACBAir Circuit Breaker空气断路器MCCBMold Crust Circuit Breaker塑壳断路器VCSVacuum Contactor Switch真空接触器LSLimit Switch限位开关DSDisplacement Switch行程开关UPSUninterruptable Power Supply不间断电源VFDVariable Frequency Driver变频驱动装置VVVFVariable Voltage Va
2、riable Frequency变频调速器CVVFConstant Voltage Variable Frequency定压变频AVRAuto Voltage Regulator自动电压调节器CGCMCombination Generator Control Module发电机综合控制模块PMGPermanent Magnet Generator永磁发电机PTPotential Transformer电压互感器CTCurrent Transformer电流互感器ESPElectric Submerge Pump电潜泵JBJunction Box接线箱A.C.Alterable Current交
3、流D.C.Direct Current直流H.VHigh Voltage高压M.VMedium Voltage中压L.VLow Voltage低压PFPower Factor功率因数N.ONormal Open常开N.CNormal Close常闭SCShort Current短路电流OCOpen Current断路APActive Power有功功率RPReactive Power无功功率LCPLocal Control Panel就地控制盘RCPRemote Control Panel遥控控制盘EHTElectric Heat-Tracing电伴热EFMEarthing Fault Module接地故障模块PWMPulse-width Modulated脉宽调制ADCAnalog Digital Converter模/数转换器DACDigital Analog Converter数/模转换器PLCProgrammable Logic Controller可编程序（逻辑）控制器PCSProcess Control System过程控制系统DCSDiscrete Control System离散控制系统ESDEmergency Shut Down紧急关断系统
