期刊
COMPLEXITY
卷 21, 期 S1, 页码 90-98出版社
WILEY-HINDAWI
DOI: 10.1002/cplx.21713
关键词
fuzzy mechanism; harmony search algorithm; optimal congestion management; operating limits
A hybrid technique for solving the congestion management problem in an electricity market based on harmony search algorithm (HAS) and Fuzzy mechanism is presented in this article. This algorithm does not require initial value setting for the variables and does not require differential gradients, thus it can consider discontinuous functions as well as continuous functions. The HAS is a recently developed powerful evolutionary algorithm, inspired by the improvisation process of musicians, for solving single/multiobjective optimization problems. In the proposed technique, each musician plays a note for finding a best harmony all together. Transmission pricing and congestion management are the key elements of a competitive electricity market based on direct access. They also focus of much of the debate concerning alternative approaches to the market design and the implementation of a common carrier electricity system. This article focuses on the tradeoffs between simplicity and economic efficiency in meeting the objectives of a transmission pricing and congestion management scheme. The effectiveness of the proposed technique is applied on 30 and 118 bus IEEE standard power system in comparison with CPSO, PSO-TVAC, and PSO-TVIW. The numerical results demonstrate that the proposed technique is better and superior than other compared methods. (C) 2015 Wiley Periodicals, Inc.
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