Control Scheme for Source Voltage Sensorless PWM Converters under Source Voltage Unbalance

被引：0
|
作者：
Jung, Eunsoo [1 ]
Kim, Myoungho [1 ]
Sul, Seung-Ki [1 ]
机构：
[1] Seoul Natl Univ, Sch Elect Engn, Seoul, South Korea
来源：
PROCEEDINGS OF THE 2011-14TH EUROPEAN CONFERENCE ON POWER ELECTRONICS AND APPLICATIONS (EPE 2011) | 2011年
关键词：
Sensorless control; Voltage Source Converter (VSC); Estimation technique; Three-phase system; OPERATION; RECTIFIERS; PHASE;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper presents a control scheme for three-phase PWM converters which have no ac-side voltage sensors. In spite of no source voltage sensors, the proposed method estimates exact grid angle and voltages, which are the essential parts for the power transfer between DC link of PWM converter and AC source. The method works not only in normal balanced AC source case but also in faulty unbalanced cases. The validity of proposed method has been evaluated by computer simulation and experimental result with 10kW PWM Voltage source converter.
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页数：10
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