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مجله بین المللی برق و amp; سیستم های انرژی
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  • reserve constrained multi-area economic dispatch employing differential evolution with time-varying mutation

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    • تاریخ ارائه: 1393/01/01
    • تاریخ انتشار در تی پی بین: 1393/01/01
    • تعداد بازدید: 567
    • تعداد پرسش و پاسخ ها: 0
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     for a power pool that involves several generation areas interconnected by tie-lines, the objective of economic dispatch (ed) is to determine the most economical generation dispatch strategy that could supply the area load demands without violating the tie-line capacity constraints. the objective of multi-area economic dispatch (maed) is to determine the generation levels and the interchange power between areas which would minimize total fuel cost while satisfying power balance constraint, upper/lower generation limits, ramp rate limits, transmission constraints and other practical constraints. in reserve constrained maed (rcmaed) problem inter-area reserve sharing can help in reducing the operational cost while ensuring that spinning reserve requirements in each area are satisfied. the tie-line limits too play a pivotal role in optimizing the cost of operation. the cost curves of modern generating units are discontinuous and non-convex which necessitates the use of powerful heuristic search based methods that are capable of locating global solutions effectively, with ease. this paper explores and compares the performance of various differential evolution (de) strategies enhanced with time-varying mutation to solve the reserve constrained maed (rcmaed) problem.

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