Low-cost single-phase to three-phase PWM AC/DC/AC converters without source voltage sensor

被引：0
|
作者：
Lee, DC [1 ]
Kim, TY [1 ]
Lee, GM [1 ]
Seok, JK [1 ]
机构：
[1] Yeungnam Univ, Sch Elect Engn & Comp Sci, Kyongsan 712749, Kyongbuk, South Korea
来源：
IEEE ICIT' 02: 2002 IEEE INTERNATIONAL CONFERENCE ON INDUSTRIAL TECHNOLOGY, VOLS I AND II, PROCEEDINGS | 2002年
关键词：
single-phase half-bridge PWM rectifier; 2-leg inverter; source voltage estimation; voltage sensorless control;
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：
In this paper, a low cost implementation using a single-phase to three-phase PWM converter for low power three-phase induction motor drives is proposed, where a single-phase half-bridge PWM rectifier and a 2-leg inverter are used. In addition, the source voltage sensor is eliminated with a state observer which controls the deviation between the model current and the system current to be zero. Even though the converter topology itself is of lower cost than the conventional one, it has such functions as sinusoidal input current, unity power factor, de output voltage control, bidirectional power flow and VVVF output voltage. The experimental results for V/F control of 3Hp induction motor drives have been shown.
引用
收藏
页码：792 / 797
页数：6
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