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什么时候会出现负序电压

更新时间: 2020-10-31 00:00:00     

出现负序电压的表现:对于理想的电力系统,由于三相对称,因此负序和零序分量的数值都为零。当系统出现故障时,三相变得不对称了,这时就能分解出有幅值的负序和零序分量度了。正序、负序、零序的出现是为了分析在系统电压、电流出现不对称现象时,把三相的不对称分量分解成对称分量及同向的零序分量。

关键词: 什么 时候 出现 电压

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