一种用于单相/三相变换的新型电力电子变换技术

doi:10.19595/j.cnki.1000-6753.tces.161146

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Abstract This paper studies a novel splitting phase topology based on three-phase full-bridge inverter, which resembles the topology of traditional three-phase full-bridge inverter except for the direct connection of its two-phase output with the two terminals of the single-phase power source. Its operating principles are as follows: single-phase power source first charges the DC capacitor through three-phase full-bridge inverter in a small time period. After the voltage of the DC capacitor achieves stability, three-phase full-bridge inverter can output three-phase symmetrical AC voltage. This paper took the advantage of the power balance method and Kirchhoff’s law to analyze the single-phase to three-phase circuit, and then deduced the output current expression of the inverter when three-phase load side gets symmetrical voltage. PSCAD/EMTDC simulation platform and experiment verified the circuit topology, the result shows that the proposed circuit topology enables single-phase to three-phase conversion, and the power relationship as well as the current relationship are the same with the derived expressions, which proves the validity of the analytical method.

Key words： Splitting phase circuit topology single-phase source three-phase full-bridge inverter power balance

Received: 14 July 2016 Published: 12 April 2018

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TM46

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	Zhu Yongqiang
	Jia Lihu
	Xie Wenchao
	He Guangquan
	Wang Yinshun

Cite this article:

Zhu Yongqiang,Jia Lihu,Xie Wenchao等. A New Power Electronic Transformation Technology for Single-Phase/Three-Phase[J]. Transactions of China Electrotechnical Society, 2018, 33(7): 1433-1439.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.161146 OR https://dgjsxb.ces-transaction.com/EN/Y2018/V33/I7/1433

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