基于降维粒子群的大电网断面功率极限计算方法  

Calculation Method of Power Limit of Large Power Grid Section Based on Dimensionality Reduction Particle Swarm

作　　者：宣鹏华 李岩松[1] 龚承霄 陈兴雷[2] 刘君[1] XUAN Penghua;LI Yansong;GONG Chengxiao;CHEN Xinglei;LIU Jun(School of Electrical and Electronic Engineering,North China Electric Power University,Beijing 102206,China;China Electric Power Research Institute,Beijing 100089,China)

机构地区：[1]华北电力大学电气与电子工程学院,北京102206 [2]中国电力科学研究院,北京100089

出　　处：《华北电力大学学报（自然科学版）》2024年第4期77-86,I0006,共11页Journal of North China Electric Power University：Natural Science Edition

基　　金：国家自然科学基金资助项目(U1866602)。

摘　　要：随着电力系统的发展,系统运行方式日益复杂。为了提高电力系统运行安全水平,提出一种基于降维粒子群的大电网断面功率极限计算方法。首先综合考虑大电网静态安全稳定约束和暂态稳定约束,建立断面功率极限计算模型;然后,提出了基于功率灵敏度的降维粒子群算法,根据功率灵敏度和聚合系数对可调节发电机组进行分群处理,利用降维粒子群算法计算得到了极限功率、发电机组功率调节量以及极限功率制约因素,实现了大电网断面功率极限的快速寻优。最后在我国某地区2128节点电网和我国某跨区12643节点联网中验证了该方法的有效性和正确性。With the development of the power system,the way the system operates is becoming increasingly complex.In order to improve the safety level of power system operation,we proposed a calculation method of power limit of large power grid section based on dimensionality reduction particle swarm.Firstly,considering the static security and stability constraints and transient stability constraints of large power grids,we established a section power limit calculation model.Secondly,we proposed a dimensionality reduction particle swarm algorithm based on power sensitivity.We grouped the adjustable generator sets according to power sensitivity and aggregation coefficient,calculated the limit power,generator set power regulation amount and limit power constraints by using the dimensionality reduction particle swarm algorithm,and realized the fast optimization of the power limit of large power grid section.Finally,we verified the validity and correctness of the method in a 2128-node power grid in a region of China and a 12643-node network across a region of China.

关 键 词：复杂大电网 输电断面 灵敏度 自适应变异粒子群算法 极限功率 

分 类 号：TM712[电气工程—电力系统及自动化]