电网操作决策系统中拓扑结构自动生成方法的研究

【作者】 陈炯；

【导师】 居荣；

【作者基本信息】 南京师范大学 ， 电工理论与新技术， 2008， 硕士

【摘要】 在现代电力系统中,能量控制中心在保证电网安全和优化运行的过程中起着关键的作用。实时的电网拓扑结构追踪是能量控制中心进行诸如状态估计、最优潮流、无功优化、稳定分析及故障计算等电力系统各种分析和计算的基础,其研究具有重要的理论价值和应用价值。电网拓扑表达的好坏,直接关系到实时软件系统实现的难易程度、可扩充性、可维护性及推理过程的效率。本文在分析了计算机图形技术在电力系统软件中的应用现状后,提出了构建电网主接线绘图系统的必要性,采用面向对象技术方法对电力系统中各种设备元件进行建模,利用Visual C++6.0开发工具和SQLServer 2000数据库管理系统实现了电网主接线绘图系统的开发。通过定义电网设备与拓扑分析相关的属性和行为,利用微软基础类库中指针链表元素访问的技巧,采用广度优先搜索方法,实现了电网拓扑的静态生成和快速动态跟踪。拓扑分析完成后,确定了电网设备的运行状态,然后根据电网设备的不同电压等级,实现了电网元件的动态仿真。更多还原

【Abstract】 In modern power system, power control center plays a key role in ensuring security and optimal operation of power grid. The real-time tracking of power grid topology is the basis for power control center to perform power system analysis and calculation, such as state estimation, optimal power flow, reactive power, stability analysis and calculation of power system fault, and the research on it has both theoretical value and application value. The quality of power grid topology expression directly affects the degree of difficulty, scalability, and the efficiency of ratiocination process for the real-time software system to perform. This paper analyses the current situation of the application of computer graphic technology in power system software, then states the necessity of the construction of power grid main connection mapping system to construct models for various equipment accessories and parts used in power system by using object-oriented technique, and realize the development of power grid main connection mapping system by combining development tools Visual C++ 6.0 and database management system SQL Server 2000. By defining the electrical equipments’ property and behavior which relate to topological analysis, the paper realizes a static topological analysis and fast tracking dynamic topology with the technique of the MFC linked list and breadth-first search method. Upon completion of topological analysis, we can get the status of all the electrical equipments, and realize dynamic simulation of the equipment components according to the status and voltage levels.更多还原