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논문 기본 정보

자료유형
학술저널
저자정보
Jae-kun Lyu (서울대학교) Mun-Kyeom Kim (서울대학교) Jong-Keun Park (서울대학교)
저널정보
대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.4 No.3
발행연도
2009.9
수록면
353 - 359 (7page)

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초록· 키워드

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This paper proposes a novel technique for calculating the security costs that properly includes ramping constraints in the operation of a deregulated power system. The ramping process is modeled by a piecewise linear function with certain assumptions. During this process, a ramping cost is incurred if the permissible limits are exceeded. The optimal production costs of the power producers are calculated with the ramping cost included, considering a time horizon with N-1 contingency cases using contingency constrained optimal power flow (CCOPF), which is solved by the primal-dual interior point method (PDIPM). A contingency analysis is also performed taking into account the severity index of transmission line outages and its sensitivity analysis. The results from an illustrative case study based on the IEEE 30-bus system are analyzed. One attractive feature of the proposed approach is that an optimal solution is more realistic than the conventional approach because it satisfies physical constraints, such as the ramping constraint.

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Abstract
1. Introduction
2. Ramping Process
3. Problem Formulation
4. Contingency Analysis
5. Numerical Result
6. Conclusions
Acknowledgements
APPENDIX
References

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