The SAPF prototype can compensate harmonics and reactive well under varies load conditions, especially in the case of a distorted or unbalanced current of power supply.
并联型有源电力滤波器适用于多种负载条件下的谐波和无功补偿，尤其是能应用于电源电流畸变和不平衡条件下。
The unbalanced degrees of current in primary winding under different load conditions are discussed, which are based on the general expressions of negative phase sequence current.
结合负序电流的通用表达式，讨论了在不同负荷条件下的原边电流不平衡度。
The reactive power and current of three-phase unbalanced load are compensated.
配电网三相负荷不平衡运行将增加配电网的电能损耗。
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