Friday, September 16, 2022
Friday, September 16, 2022
下列各项中不属于国际单位制基本单位的是()。A、A、安培...
Thursday, May 16, 2024
当变电所的正上方﹑正下方为住宅﹑客房﹑办公室等场所时,变电所应作...
Saturday, September 17, 2022
设备在正常运行时发生断路器跳闸,可以从()等方面查明原因。A、断路器操作机构B、继电保护装置C、二次回路D、操作电源...
Thursday, March 7, 2024
Thursday, September 15, 2022
Sunday, September 11, 2022
电火花线切割加工中被切割的工件作为(),电极丝作为工具电极。电极...
Thursday, September 15, 2022
35kV及以上供电线路不停电时的停送电联系,按以下规定执行: ...
Sunday, September 11, 2022
Thursday, September 15, 2022
纯电容正弦交流电路中,增大电源频率时,其它条件不变,电路中电流会...
Thursday, September 15, 2022
Thursday, September 15, 2022
Tuesday, September 13, 2022
小接地电流系统的零序电流保护,可利用()电流作为故障信息量。...
Sunday, September 11, 2022
Friday, December 22, 2023
Sunday, September 11, 2022
10kV~35kV重要或规模较大的变电所,宜在电源进线断路器()...
Thursday, September 15, 2022
Thursday, September 15, 2022
Saturday, August 19, 2023