Comparative evaluation of two models of UPQC for suitable interface to enhance power quality

被引:62
作者
Basu, Malabika
Das, Shyama P.
Dubey, Gopal K.
机构
[1] Dublin Inst Technol, Dept Elect Engn, Dublin 8, Ireland
[2] Indian Inst Technol, Dept Elect Engn, Kanpur 208016, Uttar Pradesh, India
关键词
distributed generation; power quality; VA rating analysis; UPQC;
D O I
10.1016/j.epsr.2006.07.008
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
Majority of the dispersed generations from renewable energy sources are connected to the grid through power electronic interface, which introduce additional harmonics in the distribution systems. Research is being carried out to integrate active filtering with specific interface such that a common power quality (PQ) platform could be achieved. For generalized solution, a unified power quality conditioner (UPQC) could be the most comprehensive PQ protecting device for sensitive non-linear loads, which require quality input supply. Also, load current harmonic isolation needs to be ensured for maintaining the quality of the supply current. The present paper describes two control scheme models for UPQC, for enhancing PQ of sensitive non-linear loads. Based on two different kinds of voltage compensation strategy, two control schemes have been designed, which are termed as UPQC-Q and UPQC-P. A comparative loading analysis has developed useful insight in finding the typical application of the two different control schemes. The effectiveness of the two control schemes is verified through extensive simulation using the software SABER. As the power circuit configuration of UPQC remains same for both the model, with modification of control scheme only, the utility of UPQC can be optimized depending upon the application requirement. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码:821 / 830
页数:10
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