常用电气文字符号.doc

设备、装置和元器件种类举            例基本文字符号 IEC中文名称英文名称单字母双字母组 件部 件分离元件放大器Amplifier using discreteA        = Components激光器Laser调节器Regulator本表其他地方未提及的组件、部件电桥BridgeAB 晶体管放大器TransistoramplifierAD=集成电路放大器IntegratedcircuitamplifierAJ=icamplifierAM=电子管放大器ValveamplifierAV=印制电路板PrintedcircuitboardAP=抽屉柜DrawerAT=支架盘RackAR=非电量到电量变换器或电量到非电量变换器热电传感器ThermoelectricsensorB =热电池Thermo--ell测功计Dynamometer晶体换能器Crystaltransducer送话器Microphone拾音器Pickup扬声器Loudspeaker耳机Earphone自整角机Synchro旋转变压器Resolver模拟和多级数字变换器或传感器(用作指示和测量)Analogueandmultiple-stepdigitalTransducersorsensors(asusedindicatingmeasuringpurposes)压力变换器PressuretransducerBP=位置变换器PositiontransducerBQ=旋转变换器(测速发电机)Rotationtransducer(tachogenerator)BR=温度变换器TemperaturetransducerBT=速度变换器VelocitytransducerBV=电容器电容器CapacitorC =          设备、装置和元气件种类举                例基本文字符号IEC中文名称英文名称单字母双字母二进制元件延迟器件存储器件数字集成电路和器件:Digitalintegratedcircuitsanddevices:D =ictaperecorder盘式记录机Diskrecorder其他元器件本表其他地方未规定的器件 E =发热器件HeatingdeviceEH=照明灯LampforlightingEL=空气调节器VentilatorEV=保护器件过电压放电器件避雷器OvervoltagedischargedeviceArresterF =具有瞬时动作的限流保护器件CurrentthresholdprotectivedevicewithInstantaneousactionFA=具有延时动作的限流保护器件CurrentthresholdprotectivedevicewithTime-lagactionFR=具有延时和瞬时动作的限流保护器件 CurrentthresholdprotectivedevicewithInstantaneousandtime-lagactionFS= 熔断器FuseFU=限压保护器件VoltagethresholdprotectivedeviceFV= =S=A 蓄电池BatteryGB=旋转式或固定式变频机RotatingorstaticfrequencyconverterGF=             设备、装置和元器件种类举                 例基本文字符号IEC 中文名称英文名称单字母双字母 信号器件  H = 声响指示器 AcousticalindicatorHA= 光指示器OpticalindicatorHL= 指示灯IndicatorlampHL= 继电器接触器  K = 瞬时接触继电器InstantaneouscontactorrelayKA= 瞬     时有或无继电器Instantaneousallornothing     RellayKA=交流继电器AlternatingrealyKA  闭锁接触继电器(机械闭锁或永磁铁式有或无继电器)Latchingcontactorrealy(all-or-)KL=双稳态继电器BistablerelayKL= 接触器ContactorKM= 极化继电器PolarizedrelayKP= 簧片继电器ReedrelayKR= 延  时有或无继电器Time-delayall-or-nothingrelayKT= 逆流继电器ReversecurrentrelayKR= 电感器电抗器感应线圈线路陷波器电抗器(并联和串联)rapReactors(shuntandseries)L =电动机电动机MotorM = 同步电动机SynchronousmotorMS  可做发电机或电动机的电机Machinecapableofuseasagene