Saturday, April 13, 2024
问题:静止同步补偿器STATCOM相对于静止无功补偿器SVC的优越性有哪些?...
Friday, October 7, 2022
问题:发电厂的正常结线应保证()的安全运行,特别是厂用电系统的可靠性。地区电网的正常结线应首先保证()的安全。...
Thursday, December 22, 2022
Friday, September 16, 2022
Saturday, October 8, 2022
问题:设备线夹与设备端子搭接面,铜与铜()。A、应搪锡;B、应镀锌;C、应镀银;D、无需处理。...
Saturday, June 10, 2023
Friday, September 16, 2022
问题:运行中的电流互感器二次侧开路,其二次感应电压与哪些因素有关?...
Friday, September 16, 2022
Friday, September 16, 2022
Thursday, April 4, 2024
Friday, September 16, 2022
问题:隔离开关的作用和用途是什么?其开断电流有何要求?...
Friday, September 16, 2022
问题:自耦变压器运行中,应注意在一、二次侧需加装()。...
Friday, September 16, 2022
问题:微机保护有三种工作状态,即:()、运行状态和()。...
Thursday, January 11, 2024
问题:对发电机或发电机变压器组装设纵联差动保护有哪些要求?...
Friday, October 7, 2022
问题:黑启动电源一般选择()。A、水电B、核电C、风电D、火电...
Saturday, June 10, 2023
问题:变压器额定容量、额定电压、额定电流、空载损耗、短路损耗和阻抗电压各代表什么意义?...
Monday, June 19, 2023
问题:家电网发展总体规划和区域电网发展规划研究与编制,统筹研究编制主网架规划、配电网规划、通信网规划、电网智能化规划由()负责。A、国网经研院B、国网能源院C、中国电科院D、省经研院...
Monday, October 24, 2022
Friday, September 16, 2022
Saturday, February 4, 2023