Monday, February 26, 2024
Wednesday, February 15, 2023
Tuesday, September 13, 2022
Tuesday, September 13, 2022
问题:滤波补偿装置断路器保护装置设有()、()、低压、()、()、及(...
Tuesday, September 13, 2022
Sunday, October 29, 2023
问题:零序电流产生的原因()。A、单相接地短路;B、两相接地短路;C、三相短路;D、负荷严重不对称。...
Wednesday, May 3, 2023
Thursday, April 6, 2023
Saturday, September 17, 2022
Sunday, October 29, 2023
问题:滤波装置退出运行后,由于电容器需要放电,再次投入时需要等(),一般情况下()后再投入运行。...
Thursday, August 31, 2023
问题:变压器外壳接地属于(),变压器的中性点接地属于()。...
Tuesday, September 13, 2022
Tuesday, September 13, 2022
Friday, January 6, 2023
Thursday, April 6, 2023
问题:整流变压器中冷却油的流向为(),油风冷中油的流向()。...
Saturday, September 17, 2022
Saturday, September 17, 2022
Saturday, April 13, 2024
Sunday, December 10, 2023
问题:当一台或多台电解槽出现阳极效应时电流下降幅度较大,此时不能调节(),以免效应消失后造成大电流冲击。...
Saturday, September 2, 2023