问题:10kV设备不停电的安全距离为0.7米,35KV设备不停电的安全...
Friday, September 16, 2022
Friday, September 16, 2022
问题:电气设备不停电的安全距离是10KV(),20KV()。...
Friday, January 12, 2024
Friday, September 16, 2022
Saturday, June 21, 2025
问题:同一室内成排安装的灯具,其中心偏差不大于()毫米。A、5B、10C、20...
Sunday, February 2, 2025
Friday, September 16, 2022
问题:单极隔离开关及跌落式熔断器的操作顺序,停电时,先拉中相,后拉开两...
Friday, September 16, 2022
Tuesday, September 13, 2022
Friday, September 16, 2022
问题:辅助电源起励回路的目的在于达到整流桥正常工作所需要的()电压。在...
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
问题:电阻串联特点是:通过各电阻的电流(),串联电阻上的总电压等于各电...
Saturday, September 17, 2022
Friday, September 16, 2022
问题:当发变组差动电流大于差动电流起动整定值时,起动()。...
Wednesday, June 14, 2023
问题:发变组采用手动方式与系统解列,汽轮机会不会联跳?原因?...
Tuesday, September 13, 2022
问题:计算题:某厂日发电800万千瓦时,共耗水3000万立方米,当天发...
Friday, September 16, 2022
Friday, September 16, 2022