The Transactions of The Korean Institute of Electrical Engineers (전기학회논문지)

The Korean Institute of Electrical Engineers (대한전기학회)
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Impact of Maintenance Outage Rate Modeling on the Minimum Reserve Rate in Long-term Generation Expansion Planning

예방정비율(MOR) 모델링 방식이 수급계획의 최소설비예비율 산정에 미치는 영향

  • Kim, Hyoungtae (Dept. of Electrical and Computer Engineering, Pusan National University) ;
  • Lee, Sungwoo (Dept. of Electrical and Computer Engineering, Pusan National University) ;
  • Kim, Wook (Dept. of Electrical and Computer Engineering, Pusan National University)
  • Received : 2017.10.10
  • Accepted : 2017.11.24
  • Published : 2017.12.01
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Abstract

In South Korea, minimum reserve rate, which is to satisfy reliability standard, has been determined by simulation result using WASP. But, it is still controversial whether the level of minimum reserve rate is adequate. Thus, in this study, various analyses of minimum reserve rate are being conducted. WASP uses the probabilistic simulation technique to evaluate whether reliability standard is satisfied. In this process, forced outage rate and maintenance periods of each generator play important roles. Especially, the long-term plan can be varied depending on how maintenance periods deal with. In order to model maintenance periods in the probabilistic simulation technique, WASP uses derating method. However, broad analyses have to be conducted because there are various ways including derating method to model maintenance periods which result in different results. Therefore, in this paper, 3 different maintenance outage rate modeling methods are applied to arbitrarily modeled system based on the basic plan for long-term electricity supply and demand of South Korea. Results show impact of each modeling method on minimum reserve rate.

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References

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