电力系统及其自动化学报2024，Vol.36Issue(4)：76-83,8.DOI:10.19635/j.cnki.csu-epsa.001247
基于多源量测的主配网一体化状态估计方法
State Estimation Method for Integrated Transmission-distribution Power System Based on Multi-source Measurement Data
摘要
Abstract
Aimed at the problem that the structure of a transmission-distribution power system is complex and the mea-surement devices cannot cover all buses,a state estimation algorithm for the integrated transmission-distribution power system is proposed based on the multi-source measurement data.For different measurement conditions,the correspond-ing state estimation models are designed,and a nonlinear dynamical system is constructed to ensure the global conver-gence of the state estimation algorithm.At the same time,considering the coordination of state estimation of transmis-sion and distribution networks,the supervisory control and data acquisition(SCADA)and phasor measurement unit(PMU)measurements with high update frequency and the advanced metering infrastructure(AMI)measurements with low update frequency are integrated to carry out the design of the state estimation scheme for the integrated transmission-distribution power system.The proposed method is tested on a transmission-distribution power system which is modified based on an IEEE standard test example,and simulation results verify its effectiveness.关键词
状态估计/非线性动力学系统/相量测量装置/主配网一体化/多源量测数据Key words
state estimation/nonlinear dynamical system/phasor measurement unit(PMU)/integrated transmission-distribution power system/multi-source measurement data分类
信息技术与安全科学引用本文复制引用
孙健,李勇,王秀茹..基于多源量测的主配网一体化状态估计方法[J].电力系统及其自动化学报,2024,36(4):76-83,8.基金项目
国网江苏省电力有限公司科技项目(J2022098,面向分布式资源接入的配电网状态估计与灵活性提升研究及应用) （J2022098,面向分布式资源接入的配电网状态估计与灵活性提升研究及应用）
