摘要
探讨“在线预决策、实时匹配”暂态稳定紧急控制技术中的伪量测量设置问题和暂态后的静态安全分析问题。针对紧急控制系统的量测量有限的困难 ,利用 EMS提供的信息和典型方式信息 ,采用二次规划法补充伪量测量。除了保证整个系统的暂态稳定性外 ,还考虑了系统在实施紧急控制后的静态安全性。这两种算法的可行性和有效性已在山东电网和广东韶关电网的在线预决策系统中得到工业验证。
'On-line pre-decision, real-time match' is a trend of emergency control for large-scale power systems. The relevant functions on on-line state estimation and static security analysis are discussed in this paper. Since some parts of the power system are not observable for the available real time measurements, this paper presents a method using the information from EMMIES and data of typical operating modes, applying quadratic programming to set pseudo-measurements for the state estimation. A DC power flow based method for static security after the transient period is also proposed. Applications of these methods to Shandong Power System and Shaoguan Power System in Guangdong Province have obtained satisfactory results.
出处
《电力系统自动化》
EI
CSCD
北大核心
2001年第24期1-2,16,共3页
Automation of Electric Power Systems
基金
国家重点基础研究专项经费 (G19980 2 0 30 1)
国家自然科学基金 (5 992 0 0 37
国家电力公司科技项目 (SP11- 2 0 0 1- 0 1-0 4)
关键词
在线预决策
状态估计
静态安全分析
紧急控制系统
暂态稳定性
电网
电力系统
Electric power systems
Large scale systems
Online systems
Real time systems
Security systems
State estimation
Transients
