【作者】 涂亮；

【导师】 段献忠； 石东源；

【作者基本信息】 华中科技大学 ， 电力系统及其自动化， 2006， 硕士

【摘要】 继电保护装置是保障电网安全运行的重要手段,它的正确动作要靠合理的保护定值来保证。然而,随着国内电力市场经济体制改革的深入,国内外的继电保护装置生产厂家日趋增多,各个厂家之间激烈的市场竞争导致继电保护装置产品更新换代的速度越来越快,电网中新装置的投入和老设备的更新改造也日渐频繁,这使得现有继电保护整定计算软件在对新保护装置进行整定计算时遇到了极大的困难。本文主要根据目前线路保护装置整定计算的特点,对线路保护装置自定义整定计算系统进行研究。本文对线路保护装置及其整定原则进行了深入分析,比较了不同地区之间整定原则的差别,总结了目前线路保护装置整定计算的特点以及现有整定计算软件自定义计算的现状,在此基础上论述了自定义整定计算的必要性和可行性,并提出了利用脚本语言编程来定义整定计算原则的思想。本文构建了线路保护装置自定义整定计算系统的总体结构,论述了其功能和整定计算的具体流程,并对系统中的关键问题给出了简便可行的解决方案。该系统实现了保护装置的基本内容、整定计算原则和定值通知单的自定义功能,能够完全适应通用性和可扩展性的要求。本文采用ActiveX Scripting技术实现线路保护装置整定计算原则的自定义,对ActiveX Scripting技术的起源、结构和实现,以及应用脚本语言定义整定计算原则的具体过程和方法进行了详尽的论述,并通过实例进行了说明。基于本文方案开发的线路保护装置自定义整定计算系统已经在华中电网等区域电网和省、地级电网的电力调度中心继电保护部门投入实际运行,应用表明该系统具有很好的灵活性和可扩充性。更多还原

【Abstract】 The protection relay is a very important instrument for the secure operation of power grids, whose correct action lies on the setting results.However, more and more companies produce protection devices with the development of reforms in economic system of power market.The drastic competition between producers causes that the update of their products becomes more and more quickly as well as the replaceing of new protection devices, which brings the coordination software so much difficulty. This thesis researches on the self-defined relay device coordination system based on the characteristics of coordination of relay devices.This thesis makes an in-depth analysis of the power line relay devices and their principle, and concludes the characteristics of coordination and the actuality of present coordination softwares.In addition, the necessity and feasibility of self-defined coordination are discussed, and an idea of defining principle by the use of scripting language is brought forward.This thesis implements the self-defined relay device coordination system, whose main structure and detailed flow of coordination are circumstantiated, and some important problems for development are presented. This system realizes the self-defined function of basic information, principle and setting requisition of protection devices, so it can satisfy the flexibility and extensibility completely.This thesis implements the self-defining principle of protection devices by using the ActiveX Scripting technology, whose origin, structure and implement are circumstantiated. Furthermore, some illustrates are provided to explain the process and method of defining principle by use the scripting language.The self-defined relay device coordination system, which is developed on the basis of method provided in this thesis, has been applicated in the electric power dispatching and communication centers of provincial and distribution power grids. It is proved that this system designed in this thesis has good flexibility and extensibility.更多还原