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A New Method to Handle Transmission Losses using LDFs in Electricity Market Operation

Ro Kyoung-Soo    (Dept. of Electrical Engineering, Dongguk University   ); Han Se-Young    (Dept. of Electrical Engineering, Dongguk University  );
  • 초록

    This paper proposes a new method to handle transmission line losses using loss distribution factors (LDF) rather than marginal loss factors (MLF) in electricity market operation. Under a competitive electricity market, the bidding data are adjusted to reflect transmission line losses. To date the most proposed approach is using MLFs. The MLFs are reflected to bidding prices and market clearing price during the trading and settlement of the electricity market. In the proposed algorithm, the LDFs are reflected to bidding quantities and actual generations/ loads. Computer simulations on a 9-bus sample system will verify the effectiveness of the algorithm proposed. Moreover, the proposed approach using LDFs does not make any payments residual while the approach using MLFs induces payments residual.


  • 주제어

    electricity market .   loss distribution factor .   marginal loss factor .   transmission loss.  

  • 참고문헌 (6)

    1. J. Mutale, G. Strbac, S. Curcic and N. Jenkins. 'Allocation of losses in distribution systems with embedded generation', IEE Proc.-Gener. Transm. Distrib., Vol. 147, No. 1, pp. 7-14, January 2000 
    2. K. Ro, 'An Approach to Allocate Real Power Losses of Transmission Lines to Individual Loads', The Transactions of the KIEE, Vol. 49A, No. 1, pp. 13-18, 2000 
    3. Korea Power Exchange (KPX), Market Code, 2002 
    4. Jong-Bae Park, Ki-Song Lee, Joong-Rin Shin, Sung- Soo Kim 'The Development of the Transmission Marginal Loss Factors with Consideration of the Reactive Power and its Application to Energy Spot Market' The Transactions of the KIEE, Vol. 52, No. 7, pp. 429-436, 2003 
    5. W.Y. Ng, 'Generalized Generation Distribution Factors for Power System Security Evaluations', IEEE Trans. on Power Apparatus and Systems, Vol. PAS-100, No. 3, pp. 1001-1005, March 1981 
    6. J. Bialek, 'Topological Generation and Load Distribution Factors for Supplement Charge Allocation in Transmission Open Access', IEEE Trans. on Power Systems, Vol. 12, No. 3, pp. 1185-1193, August 1997 

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