Sunday, October 29, 2023
Monday, February 26, 2024
Sunday, December 10, 2023
问题:自饱和电抗器稳流控制系统均含有位移回路和控制回路其组成部分是什么?...
Friday, September 8, 2023
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
Wednesday, February 15, 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
Tuesday, April 30, 2024
问题:电机运行时轴承的振动范围规定,其额定转速为3000r/min、1000r/min允许振动值分别为()、()。...
Saturday, September 2, 2023
Sunday, October 29, 2023
Sunday, September 11, 2022
Wednesday, February 15, 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
Friday, October 14, 2022
Tuesday, September 13, 2022
Saturday, September 17, 2022
Saturday, April 13, 2024
Saturday, September 17, 2022