一种适用于单相级联H桥型变换器的通用型多电平空间矢量PWM算法

doi:10.19595/j.cnki.1000-6753.tces.151883

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Abstract An algorithm of universal multilevel space vector pulse-width modulation (SVPWM) is proposed for single-phase cascaded H-bridge converter, after analyzing the operation principle of single-phase cascaded H-bridge converter. The proposed algorithm has the advantages of low computational complexity, low total harmonic distortion (THD) and strong scalability. It simplifies single-phase multilevel SVPWM to single-phase two-level SVPWM. This paper realizes single-phase seven-level, nine-level and eleven-level SVPWM on a single field programmable gate array (FPGA). Experimental results based on the hardware in the loop system with DSP+FPGA have verified the proposed algorithm.

Key words： Single-phase cascaded H-bridge, space vector pulse width modulation, field programmable gate array

Received: 20 November 2015 Published: 01 August 2017

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TM46

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	Wu Xiajie
	Xiong Chenglin
	Feng Xiaoyun

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Wu Xiajie,Xiong Chenglin,Feng Xiaoyun. An Universal Multilevel Space Vector Pulse-Width Modulation Algorithm for Single-Phase Cascaded H-Bridge Converter[J]. Transactions of China Electrotechnical Society, 2017, 32(14): 127-136.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.151883 OR https://dgjsxb.ces-transaction.com/EN/Y2017/V32/I14/127

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