基于输出电压上翘特性的串-并型组合变换器无互联均压控制策略

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Abstract Input-series and output-parallel(ISOP) converter is very suitable for high input-voltage, low output-voltage and high output-current applications. Input voltage sharing and output current sharing of the constituent modules among the ISOP converter must be ensured. The existing input voltage sharing control strategies have the drawbacks of lower reliability and modularity. An input voltage sharing control strategy for ISOP converter without interconnection based on positive output voltage gradient method, which can effectively improve the reliability and modularity of ISOP converter. Firstly the operation principle of the proposed control strategy is introduced, and the input voltage sharing performance and output voltage regulation characteristics are analyzed. The stability of the proposed control strategy is also analyzed. The experimental results are presented at last.

Key words： Input-series output parallel input voltage sharing without interconnection stability positive output voltage gradient method

Received: 16 April 2013 Published: 25 March 2014

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TM464

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	Chen Wu
	Wang Guangjiang
	Ruan Xinbo

Cite this article:

Chen Wu,Wang Guangjiang,Ruan Xinbo. Input Voltage Sharing Control Strategy for ISOP Converter without Interconnection Based on Positive Output Voltage Gradient Method[J]. Transactions of China Electrotechnical Society, 2013, 28(10): 188-194.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2013/V28/I10/188

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