Optimal planning of high voltage distribution substations |
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Authors: | Yu Yixin Yan Xuefei and Zhang Yongwu |
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Affiliation: | (1) School of Electrical Engineering and Automation, Tianjin University, Tianjin, 300072, China;(2) Tianjin High Voltage Power Supply Company, Tianjin, 300250, China |
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Abstract: | Aimed at solving the problem of optimal planning for high voltage distribution substations, an efficient method is put forward.
The method divides the problem into two sub-problems: source locating and combinational optimization. The algorithm of allocating
and locating alternatively (ALA) is widely used to deal with the source locating problem, but it is dependent on the initial
location to a large degree. Thus, some modifications were made to the ALA algorithm, which could greatly improve the quality
of solutions. In addition, considering the non-convex and non-concave nature of the sub-problem of combinational optimization,
the branch-and-bound technique was adopted to obtain or approximate a global optimal solution. To improve the efficiency of
the branch-and-bound technique, some heuristic principles were proposed to cut those branches that may generate a global optimization
solution with low probability. Examples show that the proposed algorithm meets the requirement of engineering and it is an
effective approach to rapidly solve the problem of optimal planning for high voltage distribution substations.
Translated from Journal of Tianjin University, 2006, 39(8): 889–894 译自: 天津大学学报] |
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Keywords: | high voltage distribution substation sources locating ALA algorithm branch and bound technique combinational optimization |
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