In this paper, depending on the real problems of the power system harmonics, first describing the classification, topological structure, the advantages and applications of active power filter.
本文从电力系统谐波研究的实际问题出发，首先阐述了有源电力滤波器的分类及拓扑结构以及优势和应用前景。
The test results show that this method is feasible for real time detection of harmonic and reactive current of the active power compensator. The circuits are very simple.
实验结果表明，这种检测方法是可行的，而且电路非常简单，可用于实时检测有源电力补偿器的谐波与无功电流。
By way of describing the mathematical model and analyzing the transient phenomena of active impact load in power systems, its real-time control methods are discussed.
本文从电力系统有功冲击负荷的数学模型和暂态过程着手，分析和探讨了有功冲击负荷实时控制的基本原理和方法。
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