Adaptive dc-link voltage regulation for DSTATCOM under load variations

被引：0
|
作者：
Myneni, Hareesh [1 ]
Kumar, G. Siva [1 ]
Sreenivasarao, D. [1 ]
机构：
[1] NIT, Warangal 506004, Andhra Pradesh, India
来源：
PROCEEDINGS OF THE 2016 IEEE REGION 10 CONFERENCE (TENCON) | 2016年
关键词：
Adaptive dc-link voltage; DSTATCOM; power quality; voltage source inverter; ACTIVE POWER FILTER; 3-PHASE; PERFORMANCE; DESIGN;
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：
A new algorithm is proposed for adaptive dc-link voltage regulation in DSTATCOM for power quality improvement. Generally, in conventional DSTATCOM operation, the dc-link voltage is maintained constant by PI controller (i.e, 2 times peak of PCC voltage). Because of fixed voltage, the switches of Voltage Source Inverter (VSI) are subjected to high voltage stresses during off-peak load conditions. It leads to increase in switching losses and deterioration of inverter reliability. During off-peak load, lesser value of dc-link voltage is sufficient to improve power quality. The proposed algorithm will give the reference dc-link voltage corresponding to load rating, and it is computed based on filter burden. The advantage of proposed algorithm is switching stresses reduced. The proposed algorithm is validated through detailed simulation studies.
引用
收藏
页码：2909 / 2913
页数：5
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