关键节点空间下的热稳定安全域及可视化方法  

Thermal Security Region and Its Visualization Method in Key Node Space

作　　者：曾沅[1] 张风彬 秦超[1] 郭外莺 ZENG Yuan;ZHANG Fengbin;QIN Chao;GUO Waiying(Key Laboratory of Smart Grid of Ministry of Education,Tianjin University,Tianjin 300072,China)

机构地区：[1]天津大学智能电网教育部重点实验室,天津300072

出　　处：《电力系统及其自动化学报》2020年第12期49-54,共6页Proceedings of the CSU-EPSA

摘　　要：对电网进行在线安全分析,实时掌握系统的安全裕度,是电力系统领域的一个重要研究方向。本文提出了关键节点空间下的热稳定安全域模型及其可视化方法。该方法首先判定电网支路和输电断面上的关键节点,建立了多维空间上的热稳定安全域分析模型及其快速求解方法。考虑实际工程的应用需求,研究了二维平面图表述的多维安全域在线展示方式,为电网运行调度的控制与决策提供技术支撑。It is an important research direction in the field of power system to conduct on-time security analysis on pow⁃er system and obtain the system’s security margin in real time.In this paper,a model of thermal security region in the key node space is put forward,together with its visualization method.First,the key nodes on the power branches and trans⁃mission sections are determined.Then,an analytical model of thermal security region in the multi-dimensional space is established,and a fast solving method is formulated.Considering the application requirements of practical engineering,the online display mode of multi-dimensional security region for the two-dimensional planar graph representation is studied,providing technical support for the control and decision-making of power system operation and dispatching.

关 键 词：安全分析 热稳定安全域 关键节点 安全域可视化 

分 类 号：TM711[电气工程—电力系统及自动化]