The Transactions of the Korean Institute of Electrical Engineers A (대한전기학회논문지:전력기술부문A)

The Korean Institute of Electrical Engineers (대한전기학회)
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Development of a Numerical Analysis Method for the Outage Cost Assessment at Load Points

부하지점별 공급지장비추정을 위한 수치해석적 방법의 개발

  • 최재석 (경상대 공대, 전기공학과, 자동화 및 컴퓨터 응용기술연구소) ;
  • 김홍식 (경상대 공대, 전기공학과) ;
  • 문승필 (경상대 공대, 전기공학과) ;
  • 강진중 (한국전력공사, 진주지점) ;
  • 김호용 (한국전력연구소) ;
  • 박동욱 (한국전력연구소)
  • Published : 2000.11.01
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Abstract

This study proposes a new numerical analysis method for assessing the outage cost of the composite power system with considering transmission system at load points. The proposed method comes from combination of the expected energy not served curve(EENSC) with the marginal outage cost function obtained at load points. Uncertainty of the outages of the generation and transmission systems was also included in this study. This study can be categorized into three processing parts as like as follows. Firstly, EENSC at load points was developed newly from the composite power system effective load duration curve which has been proposed by the authors. Secondly, this study proposes a new technical method for determining the coefficients of the marginal outage cost functions at load points in the composite power system(Generation and Transmission systems). It is a main key point that the mathematical expression for the marginal outage cost function at a load point is formulated and evaluated using relations between the GNP (or GDP) and the electrical energy demand at the load pint. Finally, the outage cost was calculated in this paper by combining the proposed EENSC with the marginal outage cost function evaluated at each load point. It is another important feature that the average costs for future at load points can be forescasted using the proposed approach. The effectiveness of the proposed new approach is demonstrated by the case studies with the IEEE-RTS.

Keywords

References

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