发生水锤时,闸门处的水锤压强幅值变化大持续时间强,所以这里所受的...
Sunday, September 11, 2022
Sunday, September 11, 2022
Wednesday, August 2, 2023
Sunday, September 11, 2022
Sunday, September 11, 2022
LW6—220H SF6断路器液压机构启、停油泵及闭锁合、跳闸的油压各是多少?额定油压是多少?(20℃时)...
Sunday, February 19, 2023
Thursday, December 14, 2023
Tuesday, September 13, 2022
Sunday, September 11, 2022
开度限制机构的作用是用来限制导叶开度,并列运行限制机组出力的...
Wednesday, August 2, 2023
大容量的主变压器引出线(外套管处)发生相间短路故障时,()保护快速动作,变压器各侧断路器跳闸。A、重瓦斯;B、差动;C、复合电压启动过电流;D、过电压。...
Sunday, December 18, 2022
Sunday, September 11, 2022
万虎I线保护定检,写出用旁路保护代替该线路保护的主要操作步骤?...
Saturday, January 7, 2023
如果发电机的电压表、电流表、功率表周期性的剧烈摆动,就可以肯定发...
Sunday, September 11, 2022
水轮发电机组能够实现稳定运行,是因为它有()A、励磁机的调节B、调速器的调节C、电压校正器的调节D、自调节作用...
Thursday, January 12, 2023
Tuesday, September 13, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
同步发电机的三种不正常运行状态为过负荷、过电流、过电压。...
Sunday, September 11, 2022
Sunday, September 11, 2022