The oil flowing relay is the important prot of the cooling system of power transformer.
油流继电器是大型电力变压器冷却循环系统的重要部件。
The protective relay setting calculation is the safe operation foundation of the electrical equipments in the power plants and transformer substations.
继电保护整定计算是发电厂、变电站电气设备安全运行的基础工作。
Reliability of reverse-power relay is of immediate effect on the secure operation of large and medium generator-transformer units.
逆功率继电器的可靠性直接关系到大中型发电机变压器组的安全运行。
Differential relay is the key protection for power transformer.
差动保护是变压器的主保护。
In this paper, a protective circuit for power supply of lasers without the use of low-voltage transformer and relay is presented.
本文介绍了一种不用低压变压器和继电器激光电源保护电路。
Variable distribution equipment, high and low power switchgear, transformer, breaker, relay, switch;
建筑供配电设备、高低压开关柜、变压器、断路器、继电器、各种开关等；
Variable distribution equipment, high and low power switchgear, transformer, breaker, relay, switch;
建筑供配电设备、高低压开关柜、变压器、断路器、继电器、各种开关等；
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