Sunday, May 19, 2024
Thursday, April 4, 2024
Tuesday, March 14, 2023
Tuesday, April 30, 2024
Sunday, May 14, 2023
问题:电压不同的线路同样架设时,电压较高的线路应架设在下面。
Tuesday, April 30, 2024
Friday, October 13, 2023
Friday, March 15, 2024
Tuesday, October 3, 2023
Sunday, May 19, 2024
问题:中性点不接地系统发生单相接地故障后,允许继续运行的时间不得超过2小时。
Friday, March 15, 2024
问题:对于低压中性线和保护线的截面选择,一般按不小于相线的50%-60%选。
Sunday, May 19, 2024
Tuesday, April 30, 2024
Sunday, May 19, 2024
Sunday, May 19, 2024
Sunday, May 19, 2024
问题:短路电流通过导体和电气设备会引起电动力破坏和()破坏。
Tuesday, April 30, 2024
Friday, October 13, 2023
问题:中性点不接地系统发生单相接地故障,在接地点会流过接地电流是()电流,等于正常每相对地电容电流的()倍。
Sunday, May 19, 2024
Friday, March 15, 2024