Varies the generator terminal voltage in accordance with its load to hold constant voltage at some point electrically remote from the generator, such as the station high voltage bus.

按发电机的负荷改变发电机的端电压使远离发电机的某一电气点如变电站高压母线的电压稳定不变。

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So, the problem of reactive power constrains of generator at slack bus should be considered when calculating the load margin and critical voltage by using the method of continuation power flow.

因此，在应用连续潮流法计算负荷裕度和临界电压时应考虑平衡节点发电机无功约束问题。

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