气候加权小世界网络电网脆弱性分析模型  

Vulnerability Analysis Model of Power System Based on Meteorological Weighted Small-world Network

作　　者：孙小韦 李鹏[1] 孙立强 沈鑫 曹敏 SUN Xiao-wei;LI Peng;SUN Li-qiang;SHEN Xin;CAO Min(School of Information Science and Engineering,Yunnan University,Kunming 650500,China;Electric Power Research Institute,Yunnan Power Grid Corp,Kunming 650217,China)

机构地区：[1]云南大学信息学院,云南昆明650500 [2]云南电网有限责任公司电力科学研究院,云南昆明650217

出　　处：《控制工程》2020年第12期2143-2150,共8页Control Engineering of China

基　　金：国家自然科学基金项目(61763049);云南省应用基础研究重点课题(2018FA032);云南省应用基础研究面上课题(2017FB229)。

摘　　要：针对复杂气候条件下大型电力系统脆弱性问题,提出基于气候加权小世界网络互联的电网脆弱性分析模型,将电网所处的外界气候条件、系统运行实时潮流参数以及网络拓扑结构进行有效融合,计算并分析该复杂条件下电网脆弱性指标。为验证模型有效性,使用IEEE-118节点电力系统进行故障仿真。模拟结果表明,基于气候加权小世界网络电网脆弱性分析模型可以更真实、准确、全面地评估大型电力系统脆弱性并辨识出网络脆弱路段,进而验证了所提模型的正确性、合理性及可行性,为电力网络的短期运行及长期规划提供了可靠参考依据。Aiming at the vulnerability of large-scale power systems under complex climate conditions,a grid vulnerability analysis model based on climate weighted small-world network interconnection is proposed,which effectively integrates the external climate conditions of the grid,the real-time power flow parameters of the system operation and the network topology,to calculate and analyze the grid vulnerability index under the complex condition.In order to verify the validity of the model,the IEEE-118-node power system is used for fault simulation.The simulation results show that the vulnerability analysis model based on the climate weighted small-world network can assess the vulnerability of large power systems more truly,accurately and comprehensively and identify the fragile sections of the network,which can further verify the correctness,rationality and feasibility of the proposed model.The proposed model can provide a reliable reference for the short-term operation and long-term planning of the power network.

关 键 词：气候条件 潮流参数 大型电力系统 加权小世界网络 脆弱性分析 

分 类 号：TM711[电气工程—电力系统及自动化]