Journal of the Korean Institute of Illuminating and Electrical Installation Engineers (조명전기설비학회논문지)

The Korean Institute of IIIuminating and Electrical Installation Engineers (한국조명전기설비학회)
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Evaluation of Congestion Cost and Loss Cost using DC Load Flow

직류조류계산을 이용한 혼잡비용과 손실비용 평가

  • Bae, In-Su (Kangwon National University, Department of Electrical Engineering) ;
  • Song, Woo-Chang (Kangwon National University, Department of Electrical Engineering)
  • 배인수 (강원대학교 전기공학과) ;
  • 송우창 (강원대학교 전기공학과)
  • Received : 2012.11.09
  • Accepted : 2012.12.04
  • Published : 2012.12.30
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Abstract

Economics of available alternatives in the transmission planning are evaluated by the investment cost, loss cost and congestion cost. Congestion/loss cost is calculated in many years and many load levels by unit commitment of generators, optimal dispatch, load flow, judgement about transmission congestion and re-dispatch to reduce the congestion. The greatest difficulties to introduce variable optimization techniques on the transmission planning is the convergence of load flow. In this paper, economics in the transmission planning are evaluated using DC load flow, and case study is conducted on the Korea power system by proposed congestion/loss calculation methods.

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References

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