单选题:电力系统稳定破坏出线失步状态时,应采取消除失步的控制措施,请问采取下列哪项措施是不正确的?( ) 题目分类:发输变电专业知识 题目类型:单选题 查看权限:VIP 题目内容: 电力系统稳定破坏出线失步状态时,应采取消除失步的控制措施,请问采取下列哪项措施是不正确的?( ) A.装设失步解列控制装置 B.对局部系统,经验证可采取同步控制 C.调度电网,采用加大发电机出力和适当减负荷 D.送端孤立的大型发电厂,应优先切除部分机组 参考答案: 答案解析:
220kV电力系统中,线路断路器变电所侧的相对地工频过电压水平一般不宜超过下列哪项数值?( ) 220kV电力系统中,线路断路器变电所侧的相对地工频过电压水平一般不宜超过下列哪项数值?( )A.145kV B.165kV C.189kV D.252kV 分类:发输变电专业知识 题型:单选题 查看答案
In Bargh's experiment, the students were asked to__________. In Bargh's experiment, the students were asked to__________.A.rate someone's per 分类:发输变电专业知识 题型:单选题 查看答案
Which of the following led to Kemmons' success according to Which of the following led to Kemmons' success according to the passage?A.Self- 分类:发输变电专业知识 题型:单选题 查看答案
It can be inferred from the second paragraph that Alice Pyne It can be inferred from the second paragraph that Alice PyneA.is unaware of her 分类:发输变电专业知识 题型:单选题 查看答案