A new control strategy for instantaneous voltage compensator using 3-phase PWM inverter

被引：0
|
作者：
Lee, SY [1 ]
Chae, YM [1 ]
Cho, JS [1 ]
Choe, GH [1 ]
Mok, HS [1 ]
Jang, DH [1 ]
机构：
[1] Konkuk Univ, Dept Elect Engn, Seoul, South Korea
来源：
PESC 98 RECORD - 29TH ANNUAL IEEE POWER ELECTRONICS SPECIALISTS CONFERENCE, VOLS 1 AND 2 | 1998年
关键词：
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：
In the 3-phase power system, unbalanced voltage with harmonics can be detected on the synchronous reference frame. Assuming that there is no neutral path in the power system, unbalanced voltage with harmonic components has de component, 2nd harmonic, and the other harmonic components. Therefore, it is possible to compensate unbalanced voltage and harmonic voltage by cancelling the harmonic Components, exclusive of de component on the d-q axis. In addition, by adjusting the value of de component obtained from positive sequence, the regulation of load voltage is achieved. This paper presentes an algorithm performing compensation of unbalanced and harmonic voltage as well as maintaining the constant voltage in the load side. The compensating characteristics of proposed instantaneous voltage compensator are also discussed.
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页码：248 / 254
页数：7
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