一般机电类通用缩略语(二)

1、一般机电类通用缩略语(2)一般机电类通用缩略语(2) 一般机电类通用缩略语(2)h时(hour )hgt 高度(height )hh 手孔(hand hole )hlt 热线电话(hot line telephone )hoa 手动断开自动(handoff automatic )horiz 水平(horizontal )hp 马力(horse power )hr 手动彳复归(hand reset )htr 电热器(heater )hv 高压 (high voltage )hvac 暖气， 通风 与空调 (heating ventilating and air-conditioning )hz

2、赫(hertz )i/t 瞬时跳脱(instantaneous trip )i/f 界面(interface )i/o 输入/输出(input / output )iac 连锁装电缆(inter locked armored cable )ic 界面箱(interface cabinet )iiid 证实 / 正名(identification )idf 中间配线架(intermediate distribution frameimp 阻抗(impedance )inc 进入(incoming )inst 瞬时的(instantaneous )instr 仪器(instrument )int

3、内部(interior )intlk 连锁(inte门ock )inv 换流器(inverter )it 隔离变压器(isolating transformer )itr 反时电H ( inverse time relay )jb 接线盒(junction box )jt接头/接合(joint )kb 键盘(keyboard )kg 公斤(kilogram )kg/m 公斤/公尺(kilogram per meter )khz 千赫(kilohertz )km 公里(kilometer )kd 敲孔(knockout )ks 闸刀开关(knife switch )kv 仟伏特(kilovolt

4、 )kva 仟伏安(kilovolt ampere )kvah 仟伏安时 (kilovolt ampere hour )kvar 无效仟伏安 (kilovolt ampere reactive )kw 仟瓦(kilowatt )kwh 仟瓦时(kilowatt hour )kwhd仟瓦时附需量计(kilowatt hour w/demand )l 长度(length )la 避雷器(lightning arrester )lcd 液晶显示器(liquid crystal display )led 光二极体(light emitting diode )ls 微动开关(limit switch )

5、lt 长延时 (10ng time delay )ltg 照明(lighting )ltng 雷电(lightning )lum 灯具(luminary )lv 低压(low voltage )lvl 水平(level )lx勒克斯(照度之公制单位)(lux)m 马达(motor )m 公尺(meter )maint 维护(maintenance )ma 毫安(milliampere )man 手动(manual )manop 手动操作(manual operated )max 极大值(maximum )mb 毫巴(millibar )mc 装 / 主H ( metal clad / mast

6、er clock )mcc 马达控制中心(motor control center )mdf 主酉己线架 (main distribution frame )med 中间(medium )mech 机械的(mechanical )equipmentmess 杂项设备监视子系统(miscellaneous supervisory subsystem )mezz 夹层(mezzanine )mfr 裂造者(manufacturer )mh 人孔(manhole )mhz 百万赫(megahertz )mic 微音器(microphone )min 极小值(minimum )min 分(minute

7、 )misc 杂项(miscellaneous )mm 毫米(millimeter )mon 监视器(monitor )mr 复比(multi ratio )mrs 维护无线电台(maintenance radio station )msl 平均海平面(mean sea level )mtd 装置(mounted )mtg 装置(mounting )mts 手动切换开关(manual transfer switch )mux 多工器(multiplexed )mv 毫伏(milli volt )mv 中压(medium voltage )mva 百万伏安(mega volt ampere )n

8、a 不适用(not applicable )nc 常关(normally closed )neg 负的(negative )net 网路(network )neut 中性的(neutral )nic 非契约范围(not in contract )nmc 非金属导线管(non metallic conduit )no 数/ 常开(number / normally open )nom 名义 / 公称(nominal )norm 正常(normal )nis 未按比例 (not in scale )oa 输出放大(output amplifier )oc 过电流(over current )od

9、外径(outside diameter )ol 过载(overload )om 夕卜部记号(outer marker )otg 输出 / 引出(outgoing )ov 过电压(over voltage )ocs 电车线系统( overhead contact system / overhead catenary system )pa 音播(public address )pabx 专用 自动交换机 (private automatic branch exchange )pac 前置 处理机 及通讯 控制器(preprocessor and communication controller )

10、pb 按钮 / 拉线箱(push button / pull box )pbsta 按钮站 (push button station )pcm 脉码调变 (pulse code modulation )pf 功率因数(power factor )plsc 电力与照明监控子系统(power and lighting supervisory control subsystem )pm 脉冲调变(pulse modulation )pmc 电力维护电路(power maintenance circuit )pneu 气压式 / 气动(pneumatic )pnl 配电盘(panel )pos 正值

11、/ 位置 (positive / position )pot 电位(potential )pr 对(pair)pri 第一次(primary )prl 平行(parallel )ps 电源供给器(power supply )pss 电力监控系统(power supervisory system )pt 比压器(potential transformer )ptpa 月台电话及播音系统 (platform telephone with public address service )ptz 水平转动/垂直转动/放大缩小(pan / tilt / zoom )pubt 公用电话(public telephone )pvc 聚氯乙烯(polyvinyl chloride )pwr 电力(power )pwmt 电力维修电话(power maintenance telephone )r 电H / 半径 / 反转(relay / radius / reversing )r1 , r2 受讯机附编号(receiver number of )rad 无线