中国电机工程学报2023，Vol.43Issue(24)：9470-9480,中插8,12.DOI:10.13334/j.0258-8013.pcsee.221912
基于广域支路响应的暂态电压失稳判据与控制
Criterion and Control of Transient Voltage Instability based on Wide Area Branch Response
摘要
Abstract
In this paper,the characteristics and laws of voltage amplitude,branch current and reactive power of network nodes with the increase of load power are first studied based on the typical unit-load electric power transmission for voltage stability analysis.Secondly,a combined branch location method is proposed,which combines the critical branch,quasi-critical branch and boundary branch.Based on the analysis of the error judgment caused by the variation direction of branch reactive power and different instability patterns,the paper proposes the solution to the problem and puts forward the active control strategy to mitigate the threat of transient voltage instability.Finally,the correctness of the instability criterion and the validity of the active control for the 3-machine 10-node system and the Hunan UHV AC/DC hybrid receiving terminal large power grid are verified by simulation.关键词
暂态电压稳定/支路响应/失稳判据/关键支路/边界支路/主动控制Key words
transient voltage stability/branch response/instability criterion/critical branch/boundary branch/active control分类
信息技术与安全科学引用本文复制引用
郑超,孙华东,杨大业..基于广域支路响应的暂态电压失稳判据与控制[J].中国电机工程学报,2023,43(24):9470-9480,中插8,12.基金项目
国家重点研发计划项目(2021YFB2400800).National Key R&D Program of China(2021YFB2400800). （2021YFB2400800）
