考虑零速/极低速稳定性的异步电机转差频率与定子电阻耦合补偿策略

doi:10.19595/j.cnki.1000-6753.tces.L80179

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Abstract In indirect vector control, the compensation of slip frequency and stator resistance is very important for high precision control. In the existing researches, the stability of compensation of slip frequency and stator resistance at low speed area is rarely discussed, and the research of coupling relationship between them is not deep enough. In this paper, the coupling relationship between the slip frequency and the stator resistance on the flux linkage is analyzed in depth, and the decoupling conditions of the slip frequency and the stator resistance and the convergence conditions are given. In addition, a new coupling compensation strategy of slip frequency and stator resistance is designed by using the second stability theorem of lyapunov. Based on the 5.5kW motor towing platform, this paper carried out experimental verification on the compensation method proposed in this paper, and proved the consistency of this method and theoretical analysis.

Key words： Low speed area slip frequency compensation stator resistance compensation Lyapunov stability coupling

Received: 28 June 2018 Published: 05 March 2020

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TM315

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	Articles by authors
	Zhong Zhihong
	Fang Xiaochun
	Wang Xiaofan
	Yang Zhongping
	Lin Fei

Cite this article:

Zhong Zhihong,Fang Xiaochun,Wang Xiaofan等. A Coupling Compensation Strategy for Slip Frequency and Stator Resistance of Induction Motor Considering the Stability near Zero Speed[J]. Transactions of China Electrotechnical Society, 2020, 35(zk1): 192-202.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.L80179 OR https://dgjsxb.ces-transaction.com/EN/Y2020/V35/Izk1/192

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