电流源型PWM整流器带容性负载的解耦控制方法

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Abstract In the uninterruptible power supply (UPS) system, the bulk capacitors installed in the DC bus of current-source PWM rectifier (CSR) lead to a higher order of system model, which adds complexity in the system control. This paper establishes a model for CSR with the capacitive load under dq rotation coordinate. With the dq coordinate to the AC side capacity voltage vector, the proposed model is simplified into DC side model and AC side model, and then the independent control of DC side and AC side can be realized. This paper further proposes the state feedback control in DC side and the active damping control in AC side,which can eliminate the interaction between DC side and AC side. Thus decoupling control of DC side and AC side can be realized. Experimental results for 40kV·A UPS prototype verify the proposed control strategy.

Key words： Uninterruptible power supply current-source PWM rectifier capacitive load state feedback active damping

Published: 03 March 2016

PACS:

TM711

Fund:台达电力电子科教发展计划资助项目（REK2012007）

Corresponding Authors: 张宇男,1970年生,副教授,研究方向为大功率模块化电源及新能源发电技术。E-mail: zyu1126@mail.hust.edu.cn

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	Articles by authors
	Yi Yongxian
	Zhang Yu
	Li Minying
	Dong Peimeng

Cite this article:

Yi Yongxian,Zhang Yu,Li Minying等. Decoupling Control Strategy of Current-Source PWM Rectifier with Capacitive Load[J]. Transactions of China Electrotechnical Society, 2016, 31(4): 95-103.

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https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2016/V31/I4/95

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