Thursday, September 15, 2022
Sunday, October 16, 2022
Thursday, September 15, 2022
问题:风机的变桨系统分为液压变桨和电控变桨。那么在电控变桨的风机中,风...
Thursday, September 15, 2022
Thursday, September 15, 2022
Friday, February 24, 2023
Thursday, September 15, 2022
问题:由母线电容或变压器绕组电容与电磁式电压互感器引起谐振过电压的系统...
Monday, September 12, 2022
问题:1500kW机组的profibus总线的数据传输方式为().A、串行数据传输B、并行数据传输C、模拟数据传输D、电阻阻值传输...
Saturday, December 31, 2022
问题:在北京京能新能源有限公司运行的所有风电场中,只有苏司兰1250kW风机配置了液力耦合器,那么液力耦合器自身的主要保护是()A、液压油加注量B、超速保护C、超温保护D、扭矩保护...
Friday, October 20, 2023
Thursday, September 15, 2022
Thursday, September 15, 2022
Monday, September 12, 2022
Thursday, September 15, 2022
问题:变桨系统所具有的功能()A、变桨调节B、矩角的采集C、扭矩控制D、异常保护...
Tuesday, May 23, 2023
Monday, September 12, 2022
问题:在SWITCH变流系统中,以下水冷故障中,会造成机组紧急停机的故障是().A、水冷加热故障B、水冷系统流量低故障C、出阀温度高故障D、水冷循环泵故障...
Tuesday, May 23, 2023
Monday, September 12, 2022
问题:在高压设备上工作分类是:一类(),二类(),三类()。...
Thursday, September 15, 2022
Thursday, September 15, 2022