A twelve-phase AC-DC converter for power quality improvement in direct torque controlled induction motor drives

被引：0
|
作者：
Singh, Bhim [1 ]
Bhuvaneswari, G. [1 ]
Garg, Vipin [1 ]
机构：
[1] Indian Inst Technol, Dept Elect Engn, New Delhi 110016, India
来源：
ICIEA 2006: 1ST IEEE CONFERENCE ON INDUSTRIAL ELECTRONICS AND APPLICATIONS, VOLS 1-3, PROCEEDINGS | 2006年
关键词：
autotransformer; multiphase AC-DC converter; power quality improvement; direct torque control; induction motor;
D O I：
暂无
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 presents the design and analysis of a star connected autotransformer based twelve-phase ac-dc converter for improving power quality at the point of common coupling (PCC) in direct torque controlled induction motor drives (DTCIMD's). A star connected autotransformer with five windings per phase is used to realize the twelve-phase ac-dc converter. The basic design equations are derived to calculate the number of turns in different windings for achieving harmonic reduction in the proposed autotransformer based ac-dc converter. The designed twelve-phase ac-dc converter is found capable of suppressing up to 21(st) harmonics in the supply current alongwith the power factor improvement close to unity in the wide operating range of the drive. The effect of load variation on DTCIMD is also studied to demonstrate the effectiveness of the proposed ac-dc converter.
引用
收藏
页码：257 / 263
页数：7
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