考虑电网静态安全的输电线路动态增容系统

针对电网调控的特点和需求,将动态增容技术从设备分析层面提升到电网分析层面,提出了动态增容在电网调控系统中应用的总体实施方案和功能模块设计。首先分析了调控系统中动态增容的应用原则,在此基础上提出了动态增容系统的总体架构、功能模块、接口设计和硬件结构;然后对系统的数据接入与处理、线路和输电断面动态限值计算、增容过程安全评估、电网增容预测分析等关键技术进行了阐述;最后介绍了该系统在南京地区的应用,基于电网实际运行数据对系统应用效果进行了分析。

Dynamic transmission line capacity increase system with consideration of static power grid security

According to the features and demands of power grid dispatch and control, an overall implementation scheme together with the function module designs are proposed for the application of dynamic capacity increase technology in the power grid dispatch and control system, which promotes it from the device analysis level to the grid analysis level. Its application principles are analyzed and the overall framework, function modules, interface design and hardware structure of the dynamic capacity increase system are proposed. The key technologies of the proposed system are described in detail, such as data accessing and processing, dynamic limit calculation of transmission lines and sections, security evaluation of capacity increase process, capacity increase prediction, etc.,its application in Nanjing Power Grid is introduced and its effect is analyzed based on the actual grid operating data.