基于全响应功率补偿的电压型PWM整流器直接功率控制

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Abstract In order to improve the dynamic response of the DC link as well as inhibiting voltage fluctuation on DC link voltage at abrupt change of power, a new type of full response power compensation control strategy based on energy-balance mathematical model of double pulse width modulation(dual-PWM) converter speed regulation system is first presented. The new method introduces reactive current into power regulation loop, and uses the output direct feedback. Full response power compensation can be divided into steady-state energy needed for real-time compensation and dynamic response process of the energy required in n expected control cycle phased compensation based on direct power control(DPC). Experimental results show that this new control strategy of three phase boost type PWM rectifiers has improved the dynamic response of DC link, also effectively inhibited the voltage fluctuation on DC link voltage, and therefore achieved at a coordinate improvement on both the accuracy and performance of energy flow control.

Key words： Dual-PWM converter energy balance output power feedback direct power control (DPC) complete response

Received: 21 December 2013 Published: 13 April 2015

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TM346

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	Articles by authors
	Xiao Xiong
	Zhang Yongjun
	Wang Jing
	Shang Jing
	Chen Tiezhu

Cite this article:

Xiao Xiong,Zhang Yongjun,Wang Jing等. Direct Power Control under Three Phase Boost Type PWM Rectifiers Based on Power Compensation of Complete Response[J]. Transactions of China Electrotechnical Society, 2015, 30(4): 113-120.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2015/V30/I4/113

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