问题详情

按 90 °接线的功率方向继电器,接入继电器电流和电压的组合正确的是 ______ 。


A、<span style=";font-family:宋体;font-size:16px">使用</span><span style=";font-family:宋体;font-size:16px">A</span><span style=";font-family:宋体;font-size:16px">相相电流和</span><span style=";font-family:宋体;font-size:16px">AB</span><span style=";font-family:宋体;font-size:16px">相间电压</span>

B、<span style=";font-family:宋体;font-size:16px">使用</span><span style=";font-family:宋体;font-size:16px">A</span><span style=";font-family:宋体;font-size:16px">相相电流和</span><span style=";font-family:宋体;font-size:16px">AC</span><span style=";font-family:宋体;font-size:16px">相间电压</span>

C、<span style=";font-family:宋体;font-size:16px">使用</span><span style=";font-family:宋体;font-size:16px">A</span><span style=";font-family:宋体;font-size:16px">相相电流和</span><span style=";font-family:宋体;font-size:16px">CB</span><span style=";font-family:宋体;font-size:16px">相间电压</span>

D、<span style=";font-family:宋体;font-size:16px">使用</span><span style=";font-family:宋体;font-size:16px">A</span><span style=";font-family:宋体;font-size:16px">相相电流和</span><span style=";font-family:宋体;font-size:16px">BC</span><span style=";font-family:宋体;font-size:16px">相间电压</span></p><p></p>

时间:2021-07-17 23:26 关键词: 发电厂及电力系统 高起专 电力系统继电保护原理与应用 2020年第二学期期末考试 电力系统自动化技术 电力系统继电保护

答案解析

D