두 종류의 부하곡선에 관한 공급지장시간기대치(LOLE)의 상호 변환관계성

이연찬; 오웅진; 최재석; 차준민; 최홍석; 전동훈

주제분류

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이연찬 (경상대)
오웅진 (경상대)
최재석 (경상대)
차준민 (대진대)
최홍석 (한국전력거래소)

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이 논문의 연구 히스토리 (2)

2017

두 종류의 부하곡선에 관한 공급지장시간기대치(LOLE)의 상호 변환관계성

이연찬 , 오웅진 , 최재석 외 3명 전기학회논문지 2017.03 학술저널

2016

공급지장시간기대치(LOLE)의 부하곡선종류에 따른 변환 알고리즘

이연찬 , 오웅진 , 최재석 외 6명 대한전기학회 학술대회 논문집 2016.07 학술대회자료

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This paper develops a conversion function and method transforming from daily peak load curve used LOLED [days/year] to hourly load curve used LOLEH[hours/year]and describes relationship between LOLED [days/year] and LOLEH [hours/year]. The indices can not only be transformed just arithmetically but also have different characteristics physically because of using their different load curves. The conversion function is formulated as variables of capacity and forced outage rate of generator, hourly load daily load factor and daily peak load yearly load factor, etc. Therefore, the conversion function (γ=φ(.)) cannot be simple. In this study, therefore, the function is formulated as linear times of separated two functions. One is an exponential formed conversion function of daily load factor. Another is formulated with an exponential typed conversion function of daily peak load yearly load factor. Futhermore, this paper presents algorithm and flow chart for transforming from LOLED[days/year] to LOLEH[hours/year]. The proposed conversion function is applied to sample system and actual KPS(Korea Power System) in 2015. The exponent coefficients of the conversion functions are assessed using proposed method. Finally, assessment errors using conversion function for case studies of sample system and actual system are evaluated to certify the firstly proposed method.

#Probabilistic reliability evaluation. Loss of Load Expectation(LOLE) #Hourly Load Duration Curve(HLDC) #Daily Peak Load Duration Curve(DPLDC) #Effective load #Effective Load Duration Curve(ELDC) #Load Factor(LF) #Reliability indices conversion function