2、变电站选址经典数学模型的基础上，通过变电站的负载系数构造了一个协调因子参数作为罚函数，该参数能够体现各变电站负荷的均衡性。最后采用粒子群算法，通过MATLAB软件进行仿真计算，通过算例说明该模型会增加建设投资费用，但较传统模型而言能使各变电站负荷出力更均衡，有利于降低设备和线路故障率，延长设备使用寿命，也有利于提高片区的供电效率及供电质量。关键词:高压配电网，变电站选址定容，粒子群算法，负载系数，协调优化湖南大学毕业设计(论文)第页AbstractA plan for Substation's locating and s
3、izing is a kind of basic optimized problems during distribution network planning .Both scientific and rational planning can not on-ly improve reliability and quality of supply for future networks, but also bring effecti-ve economic benefits.Current locating and si
4、zing methods seldom consider the balan-ce of regional substation load factor and coordination of site selection and power sup-ply range. Meanwhile, it pays little attentions on the main distribution network coordi-nation. Those above questions often cannot be solv
5、ed optimized. Unreasonable sating for High-voltage substation make high pressure distribution network misbalanced as well. Based on the classical mathematical model for locating substation, this paper ties to use means of constructing of a substation load factor
6、 for a coordinating factor parameter as a penalty function. That parameter can reflect the balance of the substation l-oad.Finally, simulated by particle swarm optimization and MATLAB software, a nu-merical example shows that the model will increase capital invest
7、ment, but in terms of the more traditional model ,it is beneficial to make the substation load more evenly distributed, reduce failure rate for equipment ,prolong equipment life, and improve power supply efficiency and power qualityKeyWords：Highvoltagedistributio
