Reduction of Commutation Torque Ripple in a Brushless DC Motor Drive

被引：12
|
作者：
Bharatkar, S. S. [1 ]
Yanamshetti, Raju [1 ]
Chatterjee, D. [2 ]
Ganguli, A. K. [2 ]
机构：
[1] Jadavpur Univ, Dept Elect Engn, Kolkata 700032, India
[2] Jadavpur Univ, Dept Elect Engn, Kolkata 700032, W Bengal, India
来源：
2008 IEEE 2ND INTERNATIONAL POWER AND ENERGY CONFERENCE: PECON, VOLS 1-3 | 2008年
关键词：
Brushless dc motor; current commutation; torque ripple; electric vehicle;
D O I：
10.1109/PECON.2008.4762486
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper describes the reduction in torque ripple due to phase commutation of brushless dc motors. With two-phase 1200 electrical conduction for the inverter connected to the conventional three-phase BLDC machine the commutation torque ripple occurs at every 60 electrical degrees when a change over from one phase to another occurs. This effect increases the commutation time at higher speeds which increases the torque ripple. The torque ripple is reduced by changing the switching mode from 1200 to a dual switching mode with 1200 switching at lower speeds and 1800 electrical for the inverter at higher speeds.
引用
收藏
页码：289 / +
页数：2
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