지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
Recently, by increasing of devices which are sensitive to power quality, the deterioration of power quality has been accelerated. For this reason, the social and economic losses are increased. So not only correct measurement and evaluation, but also countermeasure for improvement of power quality is surely necessary for both electric power supplier and consumer. In this paper, the discrimination algorithm for events and variation occurred in distribution systems using S-transform is proposed. Firstly, we review for events and variations that occur in distribution system. Next, we simulate events and variations on various conditions using ElectroMagnetic Transient Program(EMTP). For the simulation, the IEEE 13 Node Test Feeder and KEPCO"s distribution system is modeled. Finally, for the analysis, a modified wavelet transform known as S-transform is adopted to find out the characteristics of each events and variations.
목차
Abstract
1. 서론
2. 이벤트와 변동
3. S-transform의 개요
4. 이벤트와 변동의 판별 알고리즘
5. 시뮬레이션 및 알고리즘 검증
6. 결론
참고문헌
참고문헌 (12)
참고문헌 신청
1. [학술지(정기간행물)] - 손영락 / 2005 / 웨이브렛 변환을 이용한 배전계통의 전력품질 외란 검출에 관한 연구 / 전기학회논문지 A권 54 (7(A)) : 328 ~ 336
2. [학술지(정기간행물)] - 서훈철 / 2011 / 웨이블릿 변환을 이용한 고장과 Variation의 유형 구분 알고리즘 개발 / 전기학회논문지 60 (8) : 1460 ~ 1466
3. [학술지(정기간행물)] - 서훈철 / 200907 / Analysis of the Neutral Current for Two-Step-Type Poles in Distribution Lines / IEEE TRANSACTIONS ON POWER DELIVERY 24 : 1483 ~ 1489
4. [학술지(정기간행물)] - Gomez Juan / 2005 / Effect of the overcurrent protection settings ondistributions systems on the resultant power quality / Electricity Distribution CIRED : 1 ~ 4
5. [학술지(정기간행물)] - R. G. Stockwell / 1996 / Localization of the Complex Spectrum: The Stransform / IEEE Transactions On Signal Processing 44 (4)
2. [학술지(정기간행물)] - 서훈철 / 2011 / 웨이블릿 변환을 이용한 고장과 Variation의 유형 구분 알고리즘 개발 / 전기학회논문지 60 (8) : 1460 ~ 1466
3. [학술지(정기간행물)] - 서훈철 / 200907 / Analysis of the Neutral Current for Two-Step-Type Poles in Distribution Lines / IEEE TRANSACTIONS ON POWER DELIVERY 24 : 1483 ~ 1489
4. [학술지(정기간행물)] - Gomez Juan / 2005 / Effect of the overcurrent protection settings ondistributions systems on the resultant power quality / Electricity Distribution CIRED : 1 ~ 4
5. [학술지(정기간행물)] - R. G. Stockwell / 1996 / Localization of the Complex Spectrum: The Stransform / IEEE Transactions On Signal Processing 44 (4)
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