Volume 25, Issue 1 (7-2006)
2006, 25(1): 17-31 |
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M. E. Hamedani Golshan, S. A. Arefifar, and Gh. Moslehi. Application of Tabu Search to Optimal Placement of Distributed Generation and Reactive Power Sources. Computational Methods in Engineering 2006; 25 (1) :17-31
URL: http://jcme.iut.ac.ir/article-1-373-en.html
URL: http://jcme.iut.ac.ir/article-1-373-en.html
Application of Tabu Search to Optimal Placement of Distributed Generation and Reactive Power Sources
Abstract: (4943 Views)
Introducing distributed generation into a power system can lead to numerous benefits including technical, economic, environmental, etc. To attain these benefits, distributed generators with proper rating should be installed at suitable locations. Given the similar effects of distributed generators and capacitor banks on operation indices of a distribution system, simultaneous assignment of best locations and sizes to both will not only lead to greatest benefits from distributed generators but also to lower reactive power capacity requirements. In this paper, a new combined planning problem involving distributed generation and Volt/VAr control means planning is formulated and solved in which the quantity of distributed generators and reactive power sources are simultaneously assigned to buses in a distribution system. Also tap positions of voltage regulators are computed such that with a given distributed generation under peak load conditions, power losses and the reactive power capacity required are minimized. Like many other problems in power network planning, the problem formulated here is a nonlinear combinatorial one. Hence, we employ the tabu search algorithm to solve the optimization problem. The results from applying the algorithm to distribution networks with 6, 19, and 33 buses are presented and compared with those obtained from employing the second order method.
Keywords: Distribution system, Distributed generation, Reactive sources, System losses, Optimal placement, Tabu search, Voltage regulator
