基于加权潮流熵和耦合支路介数的大停电故障集构建方法研究  

Research on Construction Method for Blackout Fault Set Based on Weighted Power Flow Entropy and Coupling Branch Intermediate Index

作　　者：郭裕 刘石川 高雯曼 李丹丹 张爱军 姜希伟 GUO Yu;LIU Shichuan;GAO Wenman;LI Dandan;ZHANG Aijun;JIANG Xiwei(Inner Mongolia Electric Power Research Institute,Inner Mongolia Power(Group)Co.,Ltd,Hohhot 010020,China;China Electric Power Research Institute,Beijing 100192,China;Power Dispatching and Control Branch,Inner Mongolia Power(Group)Co.,Ltd,Hohhot 010020,China)

机构地区：[1]内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司,呼和浩特010020 [2]中国电力科学研究院有限公司,北京100192 [3]内蒙古电力(集团)有限责任公司电力调度控制分公司,呼和浩特010020

出　　处：《电力系统及其自动化学报》2024年第4期113-119,共7页Proceedings of the CSU-EPSA

基　　金：内蒙古电力(集团)有限责任公司科技项目资助(2022-22,基于PSD-FDS的蒙西高风光渗透率电力系统的安全稳定分析及措施验证研究)。

摘　　要：随着电网互联程度的加深,电网因连锁故障引发大停电的概率增大,构建连锁故障集是预防大停电的有效措施之一。首先,研究对电网稳定运行影响巨大的故障支路集,定量评估电网运行状态的加权潮流熵计算方法。然后,结合全过程动态仿真软件,提出基于加权潮流熵和耦合支路介数的大停电故障集构建方法。最后,以某地区电网为例验证所提方法的正确性和有效性。该方法既考虑电网结构变化又考虑电网状态变化,能够准确反映电网故障动态过程。With the expansion of power grid interconnection scale,the probability of power blackout caused by cascading faults in power grid increases.Therefore,the construction of a cascading fault set is an effective measure to prevent blackout.First,the set of fault branches that have a significant impact on the stable operation of power grid is studied.Secondly,a weighted power flow entropy calculation method is studied to quantitatively evaluate the operation status of power grid.Thirdly,combined with the PSD-FDS simulation software,a construction method for the blackout fault set based on weighted power flow entropy and coupling branch intermediate index is proposed,which can accurately reflect the dynamic process of power grid faults by taking into account changes in both the power grid’s structure and its status.Finally,a regional power grid is taken as an example to verify the correctness and effectiveness of the proposed method.

关 键 词：耦合支路介数 加权潮流熵 全过程动态仿真 故障集 大停电 

分 类 号：TM346[电气工程—电机]