一对基于开关电容原理的多电平高频逆变器

doi:10.19595/j.cnki.1000-6753.tces.161384

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Abstract In this paper, a pair of high-frequency multilevel inverters based on switched-capacitor technique is presented (structure 1 and 2), which have similar principles and complementary functions. The structure 1 is used for the parallel-connected input occasions of low-voltage sources. It will reduce the number of power devices in both charging and discharging loops compared with the existing topologies. Thus, the conducting loss can decrease when ignoring the difference in parasitic parameters of each component. Meanwhile, the structure 2 is suitable for the series-connected input occasions. It will make up for the insufficiency that the existing switched-capacitor multilevel inverters can only be used for parallel input occasions. Accordingly, the application scope can be broadened. The two structures and their operational principles are illustrated, as well as the analysis of relevant parameters. The experimental results confirm the feasibility of the two proposed structures.

Key words： High-frequency AC power distribution system switched-capacitor inverter parallel- connected input series-connected input

Received: 30 August 2016 Published: 28 March 2018

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TM464

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	Zeng Jun
	Wu Jialei
	Liu Junfeng
	Hu Renjun

Cite this article:

Zeng Jun,Wu Jialei,Liu Junfeng等. A Pair of High-Frequency Multilevel Inverters Based on Switched-Capacitor Technique[J]. Transactions of China Electrotechnical Society, 2018, 33(6): 1312-1319.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.161384 OR https://dgjsxb.ces-transaction.com/EN/Y2018/V33/I6/1312

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