A novel method for dead-time compensation based on SVPWM

被引：0
|
作者：
Hu, QB [1 ]
Hu, HB [1 ]
Lu, ZY [1 ]
Yao, WX [1 ]
机构：
[1] Zhejiang Univ, Natl Key Lab Power Elect, Hangzhou 310027, Peoples R China
来源：
APEC 2005: TWENTIETH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION, VOLS 1-3 | 2005年
关键词：
space-vector; dead-time compensation; current sector;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
As for a vector control system of permanent magnet synchronous motor, this paper analyzes the influence of dead-time on output voltage in detail, and discusses the relationship between the position of voltage vector and the direction of three-phase current in a space-vector figure. In addition, a method that divides three-phase current into six sectors and a control strategy that compensates only one phase voltage in every sector are proposed in the paper. At last, experiments which are uncompensated and compensated in different frequency are carrier out with a TMS320F240 chip, and the results verify this method has a good compensation effect.
引用
收藏
页码：1867 / 1870
页数：4
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