输入串联输出并联全桥变换器的无电流传感器均压均流控制策略

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Abstract Input-series output-parallel converter is suitable for the high input voltage and output current DC-DC conversion application, but the structure brings the problem about input voltage sharing and output current sharing. The paper analyses the conditions of output current sharing deeply and indicates that the condition is system stability. Subsequently, the condition of system stability derived from small-signal model of the system, and the voltage feed-forward control strategy is proposed. Finally, the paper verifies correctness of the control strategy through Matlab simulation and experiment.

Key words： Input voltage sharing output current sharing stability small-signal model voltage feed-forward

Received: 07 January 2010 Published: 20 March 2014

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TM46

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	Chen Jie
	Diao Lijun
	Lin Wenli
	Quan Hengli
	Liu Zhigang

Cite this article:

Chen Jie,Diao Lijun,Lin Wenli等. Voltage Sharing and Sensor-Less Current Sharing Control Strategy of ISOP Full-Bridge Converter[J]. Transactions of China Electrotechnical Society, 2012, 27(6): 126-130.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2012/V27/I6/126

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