基于虚拟电阻的永磁同步电单电流调节器弱磁控制

doi:10.19595/j.cnki.1000-6753.tces.190689

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Abstract The flux-weakening control scheme with one single current regulator has the advantage of simplicity and fast dynamic response, which is a competitive candidate in practice for control of permanent magnet synchronous motors (PMSM). Besides, it can effectively avoid the saturation issue of the traditional flux weakening control scheme with two current regulators when the PMSM runs at very high speed. Despite these advantages, it cannot fully use the output voltage of the motor, and high loading capacity and high efficiency are difficult to be realized simultaneously. To overcome the drawback, a single current regulator based on virtual resistor is proposed in this paper to realize the flux-weakening control, which achieves the ability of high dynamic response, high efficiency, and high loading capacity at the same time. Eventually, simulation and experimental results validate the effectiveness of the proposed control strategy.

Key words： Permanent magnet synchronous motors flux-weakening control single current regulator virtual resistor

Received: 10 June 2019 Published: 12 March 2020

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TM351

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	Li Xue
	Chi Song
	Liu Cong
	Wu Shang

Cite this article:

Li Xue,Chi Song,Liu Cong等. Flux-Weakening Control with Single Current Regulator of Permanent Magnet Synchronous Motor Based on Virtual Resistor[J]. Transactions of China Electrotechnical Society, 2020, 35(5): 1046-1054.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.190689 OR https://dgjsxb.ces-transaction.com/EN/Y2020/V35/I5/1046

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