由多个区域联合而成的电力系统调频时如何判断负荷的变动发生在哪个区域？ -题库考试答案搜索网

由多个区域联合而成的电力系统调频时如何判断负荷的变动发生在哪个区域？

单选题

2021-07-17 23:27

A、当频率偏差和联络线上功率的偏差同为正值或同为负值时，负荷变动发生在本区域内
B、当频率偏差和联络线上功率的偏差同为正值或同为负值时，负荷变动发生在外区域内
C、联络线上功率的偏差为正值时，负荷变动发生在外区域内

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正确答案

A

试题解析

标签：电力系统自动化技术高起专电力系统自动化 2020年第二学期期末考试

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