All the switches necessary for controlling the power lines of the whole well site are concentrated here.
控制整个井场的电路所需要的开关都集中在这儿。
2
It described the application of switches, links, combinational state software and PLC used forpower supervising system in Xiaoshan power station of Songjianghe power plant.
介绍了松江河电厂小山电站的开关、刀闸运行监控要求和组态软件及PLC在电力监控系统的应用。
3
The paper lists powerswitches, specifications of power supply line and power supply distance under specified voltage loss for commonly-used elevators.