A stabilization control for PMSM drive system equipped with reduced dc-link capacitor

被引：3

作者：

Zheng, Zhiwei ^{[1
]}

Song, Wenxiang ^{[1
]}

Lin, Hongmin ^{[1
]}

机构：

[1] Shanghai Univ, Sch Mech Engn & Automat, Shanghai, Peoples R China

来源：

PROCEEDINGS OF 2019 IEEE 3RD INTERNATIONAL ELECTRICAL AND ENERGY CONFERENCE (CIEEC) | 2019年

关键词：

Dc-link Capacitor; Active Damping Method; Dc-link stability; Voltage Compensation;

D O I：

10.1109/CIEEC47146.2019.CIEEC-2019546

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Traditional three-phase AC-DC-AC motor drive systems usually need to be equipped with large electrolytic capacitors to maintain the stability of dc-link. However, large electrolytic capacitors have large volume and high cost, which will seriously affect the volume and price of the drive system. In order to solve the problem of the unstable dc-link voltage after reducing the dc-link capacitor, this paper analyzes the stability conditions of the three-phase AC-DC-AC motor drive system, obtains the value range of dc-link capacitor, and proposes a dc-link control method for the reduced dc-link electrolytic capacitor drive system. By injecting the compensation voltage and reconstructing voltage reference signal, the system damping is increased, so that the system can reduce voltage fluctuation when equipped with reduced capacitor. Finally, the effectiveness of this method is verified by simulation and experiment.

引用

页码：1518 / 1523

页数：6

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