基于Boost变换的永磁同步电机变频电源电压谐波优化控制

doi:10.19595/j.cnki.1000-6753.tces.191475

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Abstract Aimat high output voltage waveform with high harmonic content in permanent magnet synchronous motor (PMSM) control system, the additional iron loss of PMSM is increased. In this paper, an improved control method is proposed by adding Boost converter between the rectifier and inverter. Firstly, the mathematical analysis model of PMSM and its control system are established. In order to improve the quality of the output voltage waveform of the variable frequency power supply, the Boost converter is introduced between the rectifier and the inverter of the variable frequency power supply. The simulation model of variable frequency power supply system is established to verify the improved control method. The optimization results show that after the introduction of Boost converter, the quality of output voltage waveform of variable frequency power supply is effectively improved. On this basis, the influence of output voltage harmonic content from variable frequency power supply on iron loss of PMSM is analyzed. Finally, a small-scale variable-frequency power supply with rated output voltage of 24V is designed and manufactured, and an experimental test platform is built to verify the accuracy of the method proposed.

Key words： Permanent magnet synchronous motor(PMSM) variable frequency control Boost convert simulation

Received: 15 November 2019

PACS:	TM351
	TM921.51

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	Articles by authors
	Tan Jixin
	Jing Yongteng
	Guo Hao
	Yu Zhanyang
	Li Yan

Cite this article:

Tan Jixin,Jing Yongteng,Guo Hao等. Optimization Control Voltage Harmonics of PMSM Variable Frequency Power Supply Based on Boost Transform[J]. Transactions of China Electrotechnical Society, 2020, 35(21): 4475-4482.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.191475 OR https://dgjsxb.ces-transaction.com/EN/Y2020/V35/I21/4475

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