Based on modern underground communication technology,the wireless communication system,underground PHS communication system,leak cable communication system and WIFI-based integrated digital communication system which were used in underground currently were analysed.
从现代地下矿山通讯技术出发,对目前地下矿山应用的地面公共通讯的无线通讯系统、井下小灵通系统、泄露电缆通讯系统和WIFI的综合数字通讯系统进行了技术分析。
earth leakage circuit breaker
通地泄露电路断电器
Open speed sensor ground circuit
断路的感知器接地电路
Relay contacts. Circuit can be specified as open or closed.
继电器触点。可指定电路为断开或接通。
rth leakage relay
对地泄漏信号继电器
SYSTEM RELAY GND CIRCUIT OPEN
系统继电器ＧＮＤ电路断路
REPAIR THE OPEN AMPLIFIER GROUND CIRCUIT.
维修断路的扩大器接地电路。＊
Common technical requirements for generator circuit-breaker
GB/T14824-1993发电机断路器通用技术条件
portable residual current device
手提电流式漏电断路器
The larger motors are powered directly from these buses through circuit breakers.
较大的电动机直接通过断路器从母线获得电源。
The states of the unit's relay outputs are determined by the series combination resistance of the leakage and temperature sensors.
泄露和温度感应器的串联组合电阻决定报警器继电器的输出状态。
The circuit tester is a simple test instrument which only shows whether the circuit is intact or whether there is a break.
电路导通器是一种简单的量测仪表，它只能检查电路的通断状况。
REPAIR THE OPEN INPUT SPEED SENSE GND CIRCUIT.
维修断开的输入速度感知器接地电路。＊
Outages are usually caused by the fault induced operation of circuit breakers or fuses.
断电通常由故障引起断路器或熔断器动作造成的。
The load-center unit substations are composed of transformers and circuit breakers which distribute power to the medium size motors and lighting and heating loads.
负荷中心单元变电站由变压器、断路器组成,中型电动机、照明和取暖负荷通过断路器获得电力。
Fuse and Breaker Protection for Electronic Devices and Electrical Appliances
电子电气设备的熔断器、断路器保护
The Earthing of Secondary Circuit of an Isolating Test Transformer on the Circuit for Luminaire Leakage Current Test
谈灯具泄漏电流测试线路中隔离测试变压器次级的接地
exciter field breaker
励磁电流断路器;励磁机励磁电流断路器;磁场电流断路器
