无差拍空间矢量调制直接转矩控制简化设计

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Abstract A reduced structure of deatbeat direct torque control based on space vector modulation (SVM-DTC)is proposed in this paper. The main ideal is choosing the reference voltage vector in two phase stator reference frame previously and real-time calculating the pulse width of the reference voltage vector which diminish the error of torque. The improved structure not have to frequently logical judge and repeatedly solve a quadratic equation in extraordinary case. It has a higher dynamic response ability by contrast with the SVM-DTC and greatly improve the switching frequency and adjusting the torque more accurately in comparison with the classical DTC. The theoretical analysis and experimental results show that the proposed method retains the advantages of conciseness in classic DTC and improves the control performance.

Key words： Dead beat direct torque control(DTC) quadratic equation dynamic response switch frequency theoretical and experimental

Received: 19 October 2010 Published: 07 March 2014

PACS:

TM343.3

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	Liao Yongheng
	Feng Xiaoyun
	Wang Zhen

Cite this article:

Liao Yongheng,Feng Xiaoyun,Wang Zhen. Simplified Design of Deadbeat Direct Torque Control Based on Space Vector Modulation[J]. Transactions of China Electrotechnical Society, 2011, 26(6): 95-101.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2011/V26/I6/95

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