A new algorithm to locate power-quality event source with improved realization of distributed monitoring scheme

被引:24
|
作者
Won, Dong-Jun [1 ]
Chung, Il-Yop
Kim, Joong-Moon
Moon, Seung-Il
Seo, Jang-Cheol
Choe, Jong-Woong
机构
[1] Inha Univ, Sch Elect Engn, Inchon 402751, South Korea
[2] Virginia Polytech Inst & State Univ, Dept Elect & Comp Engn, Blacksburg, VA 24061 USA
[3] LS Ind Syst Co Ltd, New Business Team, Seoul 100753, South Korea
[4] Seoul Natl Univ, Sch Elect Engn & Comp Sci, Seoul 151742, South Korea
关键词
fault diagnosis; fault location; monitoring; power distribution; power quality; power system harmonics;
D O I
10.1109/TPWRD.2005.858810
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 systematic algorithm to locate the power-quality (PQ) event source in the distributed monitoring system. Firstly, this paper proposes an improved realization of a distributed monitoring scheme for PQ diagnosis. The algorithm utilizes the topology of power system and the direction of PQ events. As a result, the coverage matrix and the direction matrix are constructed. The algorithm determines the candidate areas for an event source by manipulating these two matrices. For more accurate results, it calculates the distance from the PQ monitor to the location of the PQ event source. It is explained with an illustrative example and is applied to IEEE test feeder in order to validate the accuracy. The proposed algorithm can replace the expert's analysis on the PQ event source with an automated computer program.
引用
收藏
页码:1641 / 1647
页数:7
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