T-connected autotransformer-based 24-pulse ac-dc converter for variable frequency induction motor drives

被引：40

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：

IEEE TRANSACTIONS ON ENERGY CONVERSION | 2006年 / 21卷 / 03期

关键词：

autotransformer; MATLAB; multipulse ac-dc converter; power quality improvement; vector-controlled induction motor drive (VCIMD);

D O I：

10.1109/TEC.2006.875777

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：

A new robust passive waveshaper based on 24-pulse ac-dc conversion is proposed to feed voltage source inverter (VSI) supplying squirrel-cage induction motor drive. The passive waveshaper consists of a newly designed T-connected autotransformer with less number of windings resulting in simplicity in design and manufacturing. The proposed 24-pulse ac-dc converter is found capable of suppressing less than 23rd harmonics in the supply current. The power factor is also improved to near unity in the wide operating range of the vector-controlled induction motor drive (VCIMD). Finally, the design of the autotransformer is modified to make it suitable for applications, where presently a 6-pulse diode bridge rectifier is used. A laboratory prototype of proposed T-connected autotransformer-based 24-pulse ac-dc converter is developed and test results are presented to validate the developed design procedure and the simulation models of this ac-dc converter under varying loads.

引用

页码：663 / 672

页数：10

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