智能变电站一次设备在线监测系统研究和设计

发布时间：2018-01-12 20:01

本文关键词：智能变电站一次设备在线监测系统研究和设计　出处：《山东大学》2017年硕士论文　论文类型：学位论文

【摘要】：当今社会,电力已成为生产生活的必备能源,电力设备尤其是高压电力设备需长时间连续运行,容易出现设备故障、绝缘老化等一系列问题,而且故障征兆不明显,设备维护困难,维修周期长。智能变电站一次侧设备在线监测系统对这些高压设备进行实时监测,可以及时反映设备的工作状态、绝缘问题、故障程度,在设备出现严重问题前对设备进行检修和更换,这样不仅保证了电网运行的稳定性,而且提高了电力设备的可靠性。本文以智能变电站一次设备在线监测系统研究和设计为主要方向,首先阐述了智能变电站在线监测系统的背景和意义,介绍了国内外设备监测发展现状,重点分析了变压器和GIS组合电器常见故障类型、监测方法,归纳总结现有智能变电站在线监测系统存在的问题;结合现有的在线监测系统组成架构进行分析,基于IEC61850标准协议改进了在线监测系统整体方案,在此框架基础上,根据变压器、GIS设备常见故障类型,完成了在线监测系统子模块设计,并对其应用的关键技术进行分析,运用算法比较和仿真测试进行验证;最后,结合工作实际,以220kV库沟变电站为例介绍了在线监测系统总体结构和配置原则,并通过实际案例证明了该监测系统的准确性、实用性及稳定性,实际运行经验也表明,其能够实时采集、监视变电站设备的运行状况,自动发布异常告警信息,保存异常报告供历史查询,有助于准确、快速进行故障定位,制定有效检修策略,提高设备使用寿命和保障电网的安全稳定运行。
[Abstract]:In today's society, electric power has become the essential energy of life and production, power equipment especially high voltage power equipment for long time continuous operation, prone to equipment failure, a series of problems such as aging of insulation, and the fault symptom is not obvious, equipment maintenance, maintenance cycle is long. One side of the on-line monitoring system for real-time monitoring of the intelligent substation equipment these high pressure equipment, can timely reflect the working condition of the equipment, insulation problems, fault degree, in the equipment of equipment maintenance and replacement of serious problems, so as to ensure the stability of power grid operation, and improves the reliability of power equipment. In this paper, an online monitoring system of Smart Substation Equipment Research and design as the main first of all, introduced the background and significance of the online monitoring system of smart substation, introduces the domestic and foreign development status of key equipment monitoring, analysis The combination of electrical transformer and GIS common fault types, monitoring methods, summarized the existing problems of intelligent substation on-line monitoring system; combined with the existing on-line monitoring system architecture is analyzed, based on the IEC61850 standard protocol improved the overall scheme of on-line monitoring system, based on the framework, according to the common fault types of transformers, GIS equipment, complete the online monitoring system of modular design, and the key technology of its application are analyzed, using the algorithm comparison and simulation tests; finally, combined with the actual work, the 220kV library ditch substation as an example introduces the overall structure of the on-line monitoring system and the configuration principle, and proves the accuracy of the monitoring system through the actual case, practicality and the stability of the actual operation experience also shows that it can real-time acquisition, operation status monitoring of substation equipment, automatic release abnormal Report It is helpful for us to locate fault information accurately and quickly, and make effective maintenance strategy, improve equipment life and ensure safe and stable operation of power grid.

【学位授予单位】：山东大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TM63;TM507

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