基于动态鞍点暂态动能灵敏度分析的紧急控制  

Emergency Control Based on the Sensitivity Analysis of Transient Kinetic Energy of Dynamic Saddle Point

作　　者：项丽[1] 彭慧敏[2] 丁茂生[1] 周海锋[2] 杨莹[2] 

机构地区：[1]国网宁夏电力公司,宁夏回族自治区银川市750001 [2]南瑞集团公司(国网电力科学研究院),江苏省南京市211106

出　　处：《电力系统自动化》2013年第21期129-133,共5页Automation of Electric Power Systems

基　　金：国家电网公司大电网重大专项资助项目(SGCC-MPLG001-031-2012);国家电网公司科技项目"特高压交直流;多直流协调控制系统研发及示范"~~

摘　　要：确定考虑切机、切负荷及直流功率升降等的交直流紧急控制策略,是电力系统分析控制的难点。提出了基于动态鞍点(DSP)暂态动能灵敏度分析的紧急控制方法。以各控制措施对DSP处暂态动能改善与各机组参与因子加权指标选择搜索方向,跟踪分群模式和参与因子的变化,搜索交直流协调的紧急控制策略。基于"三华"联网和南网数据的实例分析表明,该方法实用有效。It is one of the difficulties of power system analysis and control to determine the emergency control strategy of the AC/DC transmission systems with the generator tripping, load shedding and DC power lifting, taken into account, An emergency control method based on the sensitivity analysis of transient kinetic energy of the dynamic saddle point （DSP） is proposed, The searching direction is to be selected by the improvements of DSP transient kinetic energy with the control measures and all units＇ weighted participation factor indices, so as to track the unstable mode and participation factor variations, and search for the coordinative emergency control strategy, The analysis results of the Central China-North China- East China interconnected power grid and the South China power grid show that the proposed approach is practical and effective.

关 键 词：交直流输电系统 动态鞍点 灵敏度分析 暂态动能 紧急协调控制 

分 类 号：TM76[电气工程—电力系统及自动化]