无功功率造句

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1.
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虽然在正弦情况下，视在功率、无功功率都得到合理的定义，但指出即使在正弦情况下，其传统的物理意义是令人费解和误导的。

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2.
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首先运用对称分量法将单相异步电动机分为正序系统和负序系统，然后分别用矩阵分析了这两个系统中各自的有功功率、无功功率和视在功率。

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3.
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为了供给无功负荷，需要在电网中流动较大量的无功功率，从而导致网损增加，负荷节点电压波动，以至于超出允许范围。