2024年1月23日发(作者：)

常用电气设备文字符号及中英文对照

常用的电气设备文字符号

文字符号中文含义英文含义

A 装置，设备Device,equipment

A 放大器amplifier

APD 备用电源自动投入装置Auto-put-into device of standby

supply ARD 自动重合闸装置Auto-reclosing device

C 电容、电容器Electric capacity,capacitor

F 避雷器arrester

FU 熔断器fuse

G 发电机，电源generator,source

GN 绿色指示灯Green indicator lamp

HL 指示灯，信号灯Indicator lamp,pilot lamp

K 继电器，接触器Relay,contactor

KA 电流继电器Current relay

KAR 重合闸继电器Auto-reclosing relay

KG 气体（瓦斯）继电器Gas relay

KH 热（温度）继电器Heat(temperature) relay

KM 中间继电器Medium relay(auxiliary relay)

KM 接触器Contator

KO 合闸接触器Switch-on contator

KS 信号继电器Signal relay

KT 时间继电器Timing relay,time-delay relay

KV 电压继电器V oltage relay

L 电感，电感器，电抗器inductance,inductor,reactor

M 电动机Electric motor

N 中性线Neutral wire

PA 电流表Ammeter

PE 保护线Protective wire

PEN 保护中性线Protective neutral wire

PJ 电能表，电度表Electric energy meter

PV 电压表V oltmeter

Q 电力开关Switch

QF 断路器Circuit-breaker

QK 刀开关Knife-swicth

QI 负荷开关Load-switch

QA 隔离开关Disconnector

R 电阻，电阻器Resistance,risistor

RD 红色指示灯Red indicator lamp

S 电力系统Electric power system

S 起辉器Glow stater

SA 控制开关(主令开关) Control switch

SA 选择开关Selector switch

SB 按钮Push-button

T 变压器Transformer

TA 电流互感器current transformator

TAN 零电流互感器Neutral-current transformer

TM 电力变压器Power transformer

TV 电压互感器V oltage(potential) transformer

U 变流器，整流器Converter,rectifier

V 电子管，晶体管Electronic tube,transisor

VD 二级管Diode

VT 晶体（三极）管Transistor

W,WB 母线Busbar(wire)

WAS 事故音响信号小母线Accident sound singal small busbar

WC 控制（操作）回路电源小母线Control circuit source small-busbar WF 闪光信号小母线Flash-light signal small-busbar

WFS 预报信号小母线Forecast signal small busbar

WH 白色指示灯White indicator lamp

WL 灯光信号小母线Forecast signal small busbar

WL 线路（导线）Line(wire)

WO 合闸回路电源小母线Switch-on circuit source small-busbar WS 信号回路电源小母线Signal circuit source small-busbar

WV 电压小母线V oltage small-busbar

X 端子板Terminal strip

XB 连接片Link

YA 电磁铁Electromagent

YO 合闸线圈Switch-on coil

YR 跳闸线圈（脱扣器）Switch-off coil(release)

YV 抢夺线圈（扔砖脱扣器）No-voltage coil(no-voltage

release)