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本文首先讨论了谐波及无功电流传统检测方法的不足。根据自适应于扰对消的原理,提出了一种谐波及无功电流的自适应检测方法。设计并实现了基于该方法的检测系统,同时给出了实验结果,结果证实了文中所提出的方法的可行性。为有源电力滤波器、静止无功补偿器等动态补偿设备提供了一种谐波及无功电流实时检测的新方法。
This paper first discusses the shortcomings of the traditional detection methods of harmonic and reactive current. According to the principle of adaptive interference cancellation, an adaptive detection method of harmonic and reactive current is proposed. The detection system based on this method is designed and implemented, and the experimental results are also given. The result proves the feasibility of the proposed method. It provides a new method of real-time harmonic and reactive current detection for dynamic compensation equipment such as active power filter and static var compensator.