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Network and reliability constrained unit commitment problem using binary real coded firefly algorithm
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DOI：10.1016/j.ijepes.2012.06.004.png)
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In this paper, the binary real coded firefly (BRCFF) algorithm based on the flashing behavior of fireflies is proposed for solving network and reliability constrained unit commitment (UC) problem. In the first stage of the UC problem, the reliability constrained UC is solved using proposed binary coded firefly algorithm without satisfying network security constraints. The second stage of the problem solves optimal power flow (OPF) using real coded firefly algorithm to determine whether a converged and secure ac power flow can be obtained. Both the stages of the algorithm incorporate repair strategies and searches for a better solution. Here a random disturbance such as generation outages is modeled to evaluate the system reliability. Reliability of the system is recognized by loss of load probability (LOLP) index. The effectiveness of the proposed algorithm is demonstrated on 10 unit and IEEE RTS 24 bus system. The results of the proposed technique are compared with that of other techniques reported in the literature. In addition, the effect of the control parameters on the performance of firefly algorithm for UC problem is studied. (C) 2012 Elsevier Ltd. All rights reserved.
Keyword:
Binary real coded firefly algorithm
Network and reliability constraints
Optimal power flow
Unit commitment
期刊
I
IF:
5
论文数:
1.1W
被引数:
3.1W
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