电气设备常用基本文字符号.docx

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1、电气设备常用基本文字符号设备、装置和兀器件种类举例基本文字符号IEC中文名称央义名称单字母双字母组件部件分离兀件放大器AmplifierusingdiscreteA=Components激光器LaserRegulator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=磁放大器MagneticamplifierAM=电子管放大器ValveamplifierAV=印制电路板PrintedcircuitboardAP=抽屉柜DrawerAT=支架

2、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--cell江池Photoelectriccell测wnDynamometer晶体换能器Crystaltransducer送诂命Microphone拾登Pickup扬除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(asusedindicatingmeasu

3、ringpurposes)压力变换器PressuretransducerBP=所变》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、装置和兀气件种类举例基本文字符号IEC中文名称央义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=延迟线Del

4、ayline双稳态元件Bistableelement单稳态元件Monostableelement磁芯存储器Corestorage析器「Register磁带记录机Magnetictaperecorder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Currentthresholdprotectivede

5、vicewithInstantaneousactionFA=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=熔喻「FuseFU=限压保护器件VoltagethresholdprotectivedeviceFV=友生命发电机电源旋转发电机振荡器RotatinggeneratorOscillatorG=友上价Generat

6、orGS=同步发电机Synchronousgenerator异步发电机AsynchronousgeneratorGA豆池BatteryGB=旋转式或固定式变频机RotatingorstaticfrequencyconverterGF=设备、装置和兀器件种类举例基本文字符号IEC中文名称央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Instan

7、taneousallornothingRellayKA=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-nothingrelaywithmechanicallatchorpermanentmagnet)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