基于开关电容网络并联的单开关升压变换器

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Abstract In the renewable grid generation system, the traditional Boost converter has a constrained step-up ratio, large ripples and low efficiency. Therefore, a single-switch step-up converter based on switched-capacitor networks in parallel is proposed in the paper. Working principles and working performances of the converter in continuous operating mode are respectively given. An experimental model is built and its results indicates: ①Not increasing the voltage stress of switch devices, these converters’ boost capability enhances as the number of switched-capacitor networks in parallel increases; ②small input-current ripple and output-voltage ripple; ③Since only one switch is needed in the converter, its control circuit is simple; ④ the location of the input source is arbitrary.

Key words： Single-switch step-up capability voltage stress ripple

Received: 08 October 2013 Published: 29 June 2015

PACS:

TM464

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	Articles by authors
	Hou Shiying
	Chen Jianfei
	Sun Tao
	Ma Buyun
	Li Ming
	Diao Jia

Cite this article:

Hou Shiying,Chen Jianfei,Sun Tao等. A Single-Switch Step-Up Converter Based on Switched-Capacitor Networks in Parallel[J]. Transactions of China Electrotechnical Society, 2015, 30(10): 242-248.

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https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2015/V30/I10/242

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