该改进型积分器消除了纯积分器带来的初值不准确、直流偏移等问题，又可以获得比低通滤波器更优的性能。
The modified integrator eliminated the initial value and DC drift problems associated with the pure integrator, and achieved a better performance than lowpass filter.
电压源型有源电力滤波器直流侧电容电压的稳定程度对补偿性能有直接的影响。
The stability of the dc bus capacitor voltage is directly connected with the compensatory capability of an voltage source active power filter.
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