交流电机驱动并联NPC-PWM逆变器的不对称调制和过调制技术

Proceedings of 4th IEEE International Workshop on Advanced Motion Control - AMC '96 - MIE Pub Date : 1996-03-18 DOI:10.1109/AMC.1996.509423

Keiju Matsui, Y. Kawata, F. Ueda, K. Tsuboi, K. Iwata

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引用次数: 1

摘要

本文报道了一种利用共流电抗器实现中性点箝位型PWM逆变器电源器件并联的技术。所提出的调制技术可以改善输出特性，如输出电压水平或输出谐波。该逆变器的输出电压波形在其半周期内具有一定的电压电平，因此可以预见输出波形的分析将会很困难。针对这种波形，提出了一种频率分析方法，并通过实验验证了分析结果。

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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Asymmetrical modulation and over-modulation techniques of parallel connected NPC-PWM inverters for AC motor drives

A technique of parallel connection of power devices using current sharing reactors for neutral point clamped (NPC) PWM inverters is reported in this paper. The proposed modulation techniques can improve the output characteristics such as output voltage level or output harmonics. The output voltage waveforms of the proposed inverter have certain voltage levels during their half cycles, thus it is anticipated that it will be difficult to analyze the output waveforms. For such waveforms, a frequency analysis approach is described, whose results are verified by experiments.

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Proceedings of 4th IEEE International Workshop on Advanced Motion Control - AMC '96 - MIE

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