Monday, February 19, 2024
Thursday, April 4, 2024
问题:当突然短路时大约经过多长时间会出现冲击电流?冲击电流约为短路电流的多少倍?
Friday, March 15, 2024
Saturday, March 11, 2023
问题:我国电力系统的额定频率为()Hz,也就是工业用电的标准频率,简称()。
Tuesday, April 30, 2024
问题:短路的类型有:()短路、()短路、单相短路和两相接地短路。
Saturday, February 10, 2024
问题:电力系统的调压措施有那些?农村电网调压主要采用什么方式?
Saturday, March 9, 2024
Wednesday, February 14, 2024
问题:农村高压配电线路,常用的接线方式有:()、()、()。
Monday, February 19, 2024
Friday, March 15, 2024
Saturday, February 10, 2024
Thursday, April 4, 2024
Tuesday, December 20, 2022
Tuesday, September 13, 2022
Saturday, March 9, 2024
问题:当架立线路与其它线路交叉跨越时,电压高的线路应架设在下方。
Thursday, April 4, 2024
Friday, March 15, 2024
Tuesday, April 30, 2024
Thursday, April 4, 2024
Friday, March 15, 2024