一种快速动态响应低电压纹波功率因数校正变换器的控制策略

doi:10.19595/j.cnki.1000-6753.tces.180700

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Abstract The ouput of power factor correction (PFC) converter with active storage unit (ASU) is an excellent method to reduce the output voltage ripple. The control strategy of three-phase Boost PFC converter with Buck-type ASU is studied in this paper. Firstly, this paper proposes a dual feedforward control strategy with generated sinusoidal reference for Boost PFC to make up for the shortcomings of the current reference distortion and the poor dynamic response in the traditional double closed-loop control of Boot PFC. As a result, the output stability is improved and the phase-shedding speed is accelerated under input or output transient. Additionally, an adaptive control of ASU is proposed, in which the current reference changes adaptively according to load, line frequency and output capacitor. The aims of simpilified control and efficiency optimization are achieved in ASU. Finally, the proposed control strategy is verified by experimental results of an 1.3kW prototype.

Key words： Feedforward control dynamic response active storage unit adaptive control low voltage ripple

Received: 24 April 2018 Published: 29 July 2019

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TM461

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	Articles by authors
	Ren Xiaoyong
	Bai Lei
	Hui Qi
	Wu Yu
	Li Kunqi

Cite this article:

Ren Xiaoyong,Bai Lei,Hui Qi等. Control Strategy of Power Factor Correction Converter for Fast Dynamic Response and Low Output Voltage Ripple[J]. Transactions of China Electrotechnical Society, 2019, 34(14): 2936-2945.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.180700 OR https://dgjsxb.ces-transaction.com/EN/Y2019/V34/I14/2936

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