高频脉振信号注入永磁同步电机无滤波器初始位置辨识方法

doi:10.19595/j.cnki.1000-6753.tces.191818

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Abstract A method is proposed to identify the rotor initial angle using high-frequency pulse signal injection into a permanent magnet synchronous motor (PMSM). This method, briefly called filterless high frequency pulse signal injection, is an improvement on the traditional identification of the rotor initial angle. Firstly, the function of rotor initial angle error is calculated from stator current high-frequency response instead of using a low-pass filter, then, the initial rotor angle is obtained through a phase-locked loop. The method of identifying the rotor polarity is also modified using the saturation effect of the magnetic circuit, which improves the polarity identification of the rotor magnet. Finally, the proposed scheme has been verified by experiments on an 16kW interior permanent magnet synchronous motor platform.

Key words： Permanent magnet synchronous motor initial position identification high frequency pulse signal filterless

Received: 30 December 2019

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TM351

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	Articles by authors
	Yu Anbo
	Liu Li
	Kan Zhizhong
	Zhang Chunjiang

Cite this article:

Yu Anbo,Liu Li,Kan Zhizhong等. Initial Position Identification of PMSM with Filterless High Frequency Pulse Signal Injection Method[J]. Transactions of China Electrotechnical Society, 2021, 36(4): 801-809.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.191818 OR https://dgjsxb.ces-transaction.com/EN/Y2021/V36/I4/801

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