대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)

대한전기학회 (The Korean Institute of Electrical Engineers)

권호 표지

무효전력 예비력 지수를 이용한 전압안정도 평가 방안에 관한 연구

A Study on Voltage Stability Assessment Using the Reactive Reserve Iindex

서상수 (고려대학교) ;
이병준 (고려대학교) ;
남수철 (한전 전력 연구원) ;
신정훈 (한전 전력 연구원) ;
김태균 (한전 전력 연구원)

Seo, Sang-Soo (Korea University) ;
Lee, Byong-Jun (Korea University) ;
Nam, Su-Chul (KEPRI) ;
Shin, Jeong-Hoon (KEPRI) ;
Kim, Tae-Kyun (KEPRI)

발행 : 2007.07.18

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초록

The reactive reserves of generators is close to voltage stability. This characteristic has led to the development of a few year monitoring the reactive reserves. In this paper, the reactive reserves have been calculated considering the generator capability curve. In addition, through dividing the systems using electric distance, the reactive reserves of each area has been calculated. Then, using the correlative relationship between reactive reserves and PV margins, the method for monitoring the voltage stability is proposed. The proposed method is tested on PSS/E test system and KEPCO system.

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