A New Method to Suppress the Commutation Torque Ripple for BLDC Motor Based on ZETA Converter

被引：0
|
作者：
Chen, Zhen [1 ]
Zhang, Hancheng [1 ]
Liu, Xiangdong [1 ]
Hu, Hengzai [1 ]
Zhao, Jing [1 ]
Gao, Congzhe [1 ]
机构：
[1] Beijing Inst Technol, Sch Automat, Beijing 100081, Peoples R China
来源：
2015 6TH INTERNATIONAL CONFERENCE ON POWER ELECTRONICS SYSTEMS AND APPLICATIONS (PESA) | 2015年
关键词：
BLDC motor; commutation torque ripple; ZETA converter;
D O I：
暂无
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：
The commutation torque ripple generated in the commutation interval is one of the main drawbacks of Brushless DC (BLDC) motor and restricts its applications. In this paper, in order to reduce the commutation torque ripple, a novel circuit topology including a zero energy thermonuclear assembly (ZETA) converter and a dc-link voltage selection circuit is proposed and investigated. Firstly, the cause of commutation is analyzed. Then the desired DC link voltage is calculated for the novel circuit topology to make the incoming and outgoing phase currents change at the same rate during commutation, and to effectively reduce the commutation torque ripple. Finally, simulation results show that the proposed topology can effectively suppress the commutation torque ripple under both low-speed and high-speed operation.
引用
收藏
页数：6
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