A Simplified Three Phase Pwm Rectifier With Fixed Frequency Modulation

被引：1
|
作者：
John, Blessy [1 ]
George, Vincent [1 ]
Mishra, Mahesh K. [2 ]
机构：
[1] Rajiv Gandhi Inst Technol, Dept Elect Engn, Kottayam, Kerala, India
[2] Indian Inst Technol Madras, Dept Elect Engn, Chennai, Tamil Nadu, India
来源：
2010 2ND INTERNATIONAL CONFERENCE ON COMPUTER AND AUTOMATION ENGINEERING (ICCAE 2010), VOL 5 | 2010年
关键词：
Three-Phase PWM rectifier; Unity Power Factor Current Control; Constant Switching Frequency; CONVERTERS; INVERTER;
D O I：
10.1109/ICCAE.2010.5451515
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 proposes a fixed frequency modulation scheme for a three- phase PWM rectifier operating at unity power factor. It provides a constant and reduced switching frequency for all the switches of the rectifier by controlling the occurrence and duration of the zero vector states indirectly. The two legs of the converter are operated in hysteresis current tracking mode and the third leg is controlled by a square pulse of user- defined frequency. The low harmonic distortion and high input power factor are added advantages of this scheme. Also, it offers simplicity, fast response and robustness. The feasibility of the proposed method is verified through extensive simulation results.
引用
收藏
页码：83 / 87
页数：5
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