Robust Optimization-Based Generation Self-Scheduling under Uncertain Price

Xiao Luo, Chi-yung Chung, Hongming Yang and Xiaojiao Tong

Mathematical Problems in Engineering, 2011, vol. 2011, 1-17

Abstract:

This paper considers generation self-scheduling in electricity markets under uncertain price. Based on the robust optimization (denoted as RO) methodology, a new self-scheduling model, which has a complicated max-min optimization structure, is set up. By using optimal dual theory, the proposed model is reformulated to an ordinary quadratic and quadratic cone programming problems in the cases of box and ellipsoidal uncertainty, respectively. IEEE 30-bus system is used to test the new model. Some comparisons with other methods are done, and the sensitivity with respect to the uncertain set is analyzed. Comparing with the existed uncertain self-scheduling approaches, the new method has twofold characteristics. First, it does not need a prediction of distribution of random variables and just requires an estimated value and the uncertain set of power price. Second, the counterpart of RO corresponding to the self-scheduling is a simple quadratic or quadratic cone programming. This indicates that the reformulated problem can be solved by many ordinary optimization algorithms.

Date: 2011
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:497014

DOI: 10.1155/2011/497014

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