A compensation method for dual-bridge matrix converters operating under distorted source voltages

IECON'03. 29th Annual Conference of the IEEE Industrial Electronics Society (IEEE Cat. No.03CH37468) Pub Date : 2003-11-02 DOI:10.1109/IECON.2003.1280563

Lixiang Wei, Y. Matsushita, T. Lipo

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引用次数: 15

Abstract

This paper investigates the performance of a dual-bridge matrix converter (DBMC) operating with distorted source voltages. A direct feed-forward unbalance control scheme is developed to reduce the influence of input voltage distortion to the load. The line side source voltages and its fundamental component are first detected. Then, appropriate distorted switching functions of the line side converter are applied to reduce the harmonic content of the load. The proposed method has several advantages: first, it can effectively reduce the harmonic content of the load side current with either unbalanced or distorted source voltage. Second, this control method requires only calculation of the fundamental components of the input line voltages. Third, the input power factor of the fundamental component can be adjusted readily without any difficulty. Lastly, the harmonic content of the line side current can also be easily approximated. Theoretical analysis and simulation results are presented in the paper to verify the effectiveness of the approach.

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双桥矩阵变换器在畸变源电压下的补偿方法

研究了一种工作在畸变源电压下的双桥矩阵变换器(DBMC)的性能。为了减小输入电压畸变对负载的影响，提出了一种直接前馈不平衡控制方案。首先检测线侧源电压及其基元分量。然后，采用适当的线侧变换器畸变开关函数来降低负载的谐波含量。该方法具有以下优点:首先，它可以有效地降低源电压不平衡或畸变时负载侧电流的谐波含量。其次，这种控制方法只需要计算输入线路电压的基元分量。第三，基波分量的输入功率因数可以很容易地调整，没有任何困难。最后，线侧电流的谐波含量也可以很容易地近似。理论分析和仿真结果验证了该方法的有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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IECON'03. 29th Annual Conference of the IEEE Industrial Electronics Society (IEEE Cat. No.03CH37468)

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