不同空间矢量调制下三相两电平并网变换器的差模电流与共模电压对比研究

doi:10.19595/j.cnki.1000-6753.tces.L80489

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Abstract In this paper, the typical space vector modulation strategy for the three-phase voltage source grid-connected converter was classified by the distribution of zero-vector, and a zero- sequence-voltage-balanced SVPWM strategy was proposed. Five modulation strategies were compared from the differential mode and common mode. By establishing a single-phase equivalent model, the differential mode current with different modulation ratios and power factors were predicted and analyzed using Matlab. By constructing a three-dimensional voltage vector space, the low-frequency common-mode components were analyzed using the impulse equivalence principle. The research is validated by experiments and provide a theoretical basis for the selection of modulation strategies for the converters.

Key words： PWM converter space vector modulation differential-mode current common-mode voltage

Received: 01 July 2018 Published: 02 January 2020

PACS:

TM464

Corresponding Authors: 国家自然科学基金资助项目（51507190,51677193）

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	Articles by authors
	Jiang Xianqiang
	Wu Yitong
	He Jinkui
	Xu Hailiang
	Zhao Rende

Cite this article:

Jiang Xianqiang,Wu Yitong,He Jinkui等. Research on Differential-Mode Current and Common-Mode Voltage of Three-Phase Two-Level Grid-Connected Converters under Different Space Vector Modulation[J]. Transactions of China Electrotechnical Society, 2019, 34(zk2): 586-595.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.L80489 OR https://dgjsxb.ces-transaction.com/EN/Y2019/V34/Izk2/586

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