无刷直流电机转矩脉动抑制系统的新型拓扑研究

doi:10.19595/j.cnki.1000-6753.tces.171142

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Abstract The torque ripple generated during the commutation process has been seriously hampered brushless DC motor (BLDCM) application in high precision system, such as aviation and aerospace. Through research the reason of the torque ripple, a new topology drive system which employ CUK converter instead of the traditional DC power circuit is proposed to operate with high static gain. Meanwhile, the suppression effect is further improved by the utilization of NPC three-level inverter bridge. Furthermore, the control strategy reaches the equal current changing rate of the incoming and outgoing phase. It makes non-commutation phase current maintain constant as well, in order to meet the purpose of torque ripple suppressing. Ultimately, the experimental results show that the proposed topology can effectively applied to BLDCM drive system, it significantly reduces the commutation torque ripple at both high and low speeds.

Key words： Brushless DC motor commutation torque ripple CUK convert NPC three-level

Received: 05 August 2017 Published: 14 September 2018

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TM33

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	Articles by authors
	Zhu Junjie
	Liu Haoran
	Jiang Feng
	Wang Xiangzhong

Cite this article:

Zhu Junjie,Liu Haoran,Jiang Feng等. A New Topology Research on Torque Ripple Suppression System of Brushless Motor[J]. Transactions of China Electrotechnical Society, 2018, 33(17): 4060-4068.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.171142 OR https://dgjsxb.ces-transaction.com/EN/Y2018/V33/I17/4060

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