电力系统频率调整的基本原理是（）。 -题库考试答案搜索网

电力系统频率调整的基本原理是（）。

单选题

2021-09-02 11:51

A、根据负荷的变化，调整电力系统中无功电源的出力，将系统频率限制在允许范围
B、根据负荷的变化，调整发电机的有功出力，将系统频率限制在允许范围
C、根据系统频率的变化，切除或投入负荷，将电力系统频率限制在允许范围
D、根据负荷的变化调整系统中变压器的分接头，将电力系统频率限制在允许范围

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正确答案

B

试题解析

标签：联大河南理工大学—电力概论

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