Analysis and design of three-phase AC-to-DC converters with high power factor and near-optimum feed forward

被引：38
|
作者：
Tsai, MT [1 ]
Tsai, WI
机构：
[1] Nan Tai Inst Technol, Dept Elect Engn, Tainan 710, Taiwan
[2] DELTA Elect Corp, Tainan 710, Taiwan
来源：
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 1999年 / 46卷 / 03期
关键词：
converter; current-mode control; feedforward compensator; power balance;
D O I：
10.1109/41.767060
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 a three-phase pulsewidth-modulated ac-to-dc converter with unity power factor and near-optimum dynamic regulation. A general mathematical model of the converter has been established to lead to comprehensive analysis, The averaged small-signal technique is used to obtain the near-optimum feedforward compensator, thus resulting in the output impedance, and the audio susceptibility become zero, that is, the output voltage of the converter presented in this paper is independent of variations of the de load current and the utility voltage. The proposed procedure of analysis is simple and effective, and it is also easy to implement, Finally, the theoretical formulations are verified both by simulated and experimental results in a 5-kW laboratory prototype system.
引用
收藏
页码：535 / 543
页数：9
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