Technical and economic evaluation of voltage level in transmission network expansion planning using GA

被引:39
作者
Jalilzadeh, S. [3 ]
Kazemi, A. [2 ]
Shayeghi, H. [1 ]
MadaVi, M. [3 ]
机构
[1] Univ Mohagheh, Dept Tech Engn, Ardabili, Iran
[2] Iran Univ Sci & Technol, Dept Elect Engn, Tehran, Iran
[3] Zanjan Univ, Tech Engn Dept, Zanjan, Iran
关键词
transmission network expansion planning; genetic algorithm; voltage level; power system;
D O I
10.1016/j.enconman.2007.09.013
中图分类号
O414.1 [热力学];
学科分类号
摘要
Transmission network expansion planning is an important part of power system planning. Its task is to determine an optimal network configuration according to load growth. It determines where, when and how many new transmission lines should be installed. Up to now, various methods have been presented to solve the static transmission network expansion planning (STNEP) problem, but in all of these methods, the STNEP problem has been solved regardless of voltage level of the lines. In this paper, due to different voltage levels in the transmission network, which cause different annual losses, STNEP has been studied considering the voltage level of the transmission lines and the network loss using the genetic algorithm (GA). Finally, the proposed idea has been examined on Garvers 6 bus network. The results show that considering the loss in a network with different voltage levels decreases the operational costs considerably, and the network satisfies the requirement of delivering electric power more safely and reliably to load centers. (C) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1119 / 1125
页数:7
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