非刚性和畸变电压条件下的最优自适应有源滤波

S. Rafiei
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引用次数: 1

摘要

本文研究了基于OFC的有源电力滤波器在非刚性和畸变电压条件下的运行情况。在这些条件下,存在从负载电流到负载电压的反馈,因此这种情况使基于OFC的系统成为一个闭环自适应系统,可能表现出不稳定或较差的瞬态响应行为。通过识别源等效电路,提出了一种改进的OFC算法。该控制算法考虑了由于负载电流变化而引起的负载电压变化。通过几个MATLAB IOFC系统对该算法的成功性能进行了研究和验证,并提出并研究了该算法的最小负载电压谐波。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Optimal and adaptive active filtering under non stiff and distorted voltage conditions
In this paper operation of OFC based active power filters under non stiff and distorted voltage conditions is investigated. Under these conditions there exist a feedback from the load currents to the load voltages hence this situation makes the OFC based system a closed loop adaptive system which may represent an unstable or poor transient response behavior. By identifying the source equivalent circuit an improved OFC algorithm (IOFC) has been proposed. The proposed control algorithm considers the load voltages variation due to the load current variation. Successful performance of the proposed algorithm has been investigated and proved by several MATLAB IOFC systems, which minimizes the load voltage harmonics, has been proposed and investigated.
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