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논문 기본 정보

자료유형
학술저널
저자정보
Koo-Hyung Chung (한국전기연구원) Dong-Joo Kang (한국전기연구원) Balho H. Kim (홍익대학교) Tai-Hoon Kim (한남대학교) Tae-Kyoo Oh (한국전기연구원)
저널정보
대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.3 No.2
발행연도
2008.6
수록면
199 - 206 (8page)

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The introduction of competition in electricity markets emphasizes the importance of sufficient transmission capacities to guarantee effective power transactions. Therefore, for the economic and stable electric power system operation, transmission security constrains should be incorporated into the dispatch scheduling problem. With the intent to solve this problem, we decompose a dispatch scheduling problem into a master problem (MP) and several subproblems (SPs) using Benders decomposition. The MP solves a general optimal power flow (OPF) problem while the SPs inspect the feasibility of OPF solution under respective transmission line contingencies. If a dispatch scheduling solution given by the MP violates transmission security constraints, then additional constraints corresponding to the violations are imposed to the MP. Through this iterative process between the MP and SPs, we derive an optimal dispatch schedule incorporating the post-contingency corrective rescheduling. In addition, we consider interruptible loads as active control variables since the interruptible loads can participate as generators in competitive electricity markets. Numerical examples demonstrate the efficiency of the proposed algorithm.

목차

Abstract
1. Introduction
2. Problem Formulation
3. Transmission Security Constrained Dispatch Scheduling Problem Incorporating Interruptible Loads
4. Application of Benders Decomposition
5. Computational Results
6. Conclusions
References

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