Tuesday, September 13, 2022
Friday, September 16, 2022
Thursday, April 20, 2023
问题:1(2)号机组UPS装置,当工作电源或整流器以前元件故障,装置将自动切至()供电;当直流段或逆变器以前部件故障,装置将通过静态开关自动无扰的切至()电源供电。...
Wednesday, October 30, 2024
Tuesday, August 26, 2025
问题:照明用户实抄率要达到()以上,其他用户实抄率必须()。...
Friday, September 16, 2022
问题:1(2)号机组220V动力直流系统共设有()GFM-1200Ah...
Tuesday, September 13, 2022
Friday, September 16, 2022
问题:自动调整励磁装置,在发电机正常运行或发生事故的情况下,能够提高电力系统的()和()。...
Thursday, April 20, 2023
Thursday, February 8, 2024
Tuesday, September 13, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Saturday, February 17, 2024
问题:220kV开关的额定电流是()。A、3150;B、3000C、2800;D、2520。...
Sunday, June 11, 2023
问题:电动机定子绕组绝缘电阻降低的原因有哪些,怎样处理?...
Friday, September 16, 2022
Tuesday, August 22, 2023
问题:变压器只有在异常或事故情况下,允许短时()运行。...
Friday, October 14, 2022
问题:在装有防误闭锁设备的回路上操作,不得任意用()钥匙强行解锁。...
Tuesday, April 29, 2025
问题:当励磁变由于过载运行或故障引起的变压器线圈温度过高达()℃时,温...
Friday, September 16, 2022