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

The Korean Institute of Electrical Engineers (대한전기학회)
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LMP Calculation with Consideration of Transaction Strategy and Quadratic Congestion Cost Function

거래전략 및 Quadratic 혼잡비용을 고려한 LMP산정에 대한 연구

  • 김재욱 (연세대 공대 전기전자공학과) ;
  • 정성훈 (연세대 공대 전기전자공학과) ;
  • 민경일 (연세대 공대 전기전자공학과) ;
  • 문영현 (연세대 공대 전기전자공학과)
  • Received : 2010.08.19
  • Accepted : 2011.01.04
  • Published : 2011.02.01
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Abstract

As the competitive market system has been introduced to the electrical power trade, the priority concern would be that the price of electrical power should be reasonable. It is because, when this rule is solid, we can avoid the distortion of competition and assure the greater efficiency in management. LMP(Locational Marginal Price) means marginal price at each bus. This components consist of energy, loss and congestion cost. At this point, the LMP result that is calculated by traditional model is changeable by the location of the slack and can not be used in bilateral Transaction. This paper proposed algorithm is proved its rationality and credibility by comparing the result of the simulation of virtual 6_bus system that is calculated by traditional method, and showed that the LMP components are changed according to the Transaction Strategy. Furthermore, It shows the effect of additional congestion cost on the transmission line that has bottle neck frequently by simulation.

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References

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