基于IEC61850的变电站自动化系统研究

随着非常规互感器逐步在工程中代替传统电磁互感器运行,IEC 61850标准的颁布及其对信息的统一建模,高速以太网技术构建的变电站数据采集及传输系统的应用、智能化断路器技术的发展等,使得数字化变电站及数字化电网概念正被逐步提出。     

电力系统继电保护装置远方在线操作的实现方法

随着电网规模的发展,变电站数量迅速增加,变电运行人员资源紧张问题突显。文章结合变电站监控系统、调度自动化系统、继电保护故障信息系统等二次系统的技术特点,以及无人值班运行管理模式的生产应用需求,开展远方切换定值区、投退软压板、查看和修改任意区定值、复归保护信号等操作,以提高工作效率、应对人力资源紧张的局面。     

Communication service model for wide area protection system based on IEC 61850

In order to meet the requirements of information exchange varieties and manners in wide area protection system, a communication service model based on IEC 61850 is proposed. This service model can realize communication consistency and cooperation between different types of devices. Furthermore, the communication reliability and time delay performance are guaranteed to meet the requirements of relay protection from the upper layer. Message structure of generic substation event (GSE) and its communication mechanism are discussed. General methods to communicate digital information by generic substation status event (GSSE) and communicate analog sampling information by sampling analog value (SAV) of GSE are proposed.     

用UML和XML建模语言开发故障信息处理系统

简单介绍了电网故障信息处理系统的基本功能以及现状,探讨了最新标准IEC61850以及统一建模语言UML和可扩展标记语言XML在故障处理系统开发中的应用.     

IEC61850数字化变电站的描述

在深入研究IEC61850协议的基础上介绍了IEC61850的通信体系及特点,并阐述了作者对IEC61850标准的认知和与目前变电站系统进行比较,综合介绍了本标准应用于数字变电站的优势及存在的问题,使对IEC61850有更深一步认识。     

基于IEC61850的智能变电站一体化电源系统信息建模

介绍IEC61850智能变电站一体化电源系统和变电站通信网络标准,在此基础上分析了IEC61850信息模型建模的规范：基本信息模型规范和信息服务模型规范,并在一体化电源系统的建模中引入这两个规范,对一体化电源系统的逻辑装置（LD）、逻辑节点（LN）和数据对象（DO）的定义依据规范进行扩充和信息建模.     

基于IEC 61850标准的过程层测控终端的设计

由于数字化变电站系统设计是基于IEC61850标准,即系统具有较好的开放性、互操作性和扩展性特征,表明变电站系统向自动化的方向发展。该文对数字化变电站IEC61850进行了详细介绍和分析。针对目前变电站的数字化改造的实际需要,提出了过程层测控终端的软硬件具体设计方案,该方案对于未改造的变电站进行数字化改造来说,在理论和经济方面具有重要的指导意义。     

Advanced communication system in substation for integrated protection

This paper proposes an advanced substation integrated protection communication sys- tem based on the latest development in power system. The integrated protection communication system within a substation comprises a number of major components such as the merging unit, communication network and integrated protection unit. The design and capability evaluation of the communication network based on IEC61850 are focused on. Results show that huge information from 4 merging units can be transmitted real-time via adopting 100 Mbit/s optical fiber in a sub-station, and the proposed communication network is able to achieve required performance.     

Generalized stochastic Petri nets based models for performance analysis of communication networks of IEC61850 system

1 Introduction a After many years’ research and developments, communication networks have demonstrated more and more important functions in a substation automation system (SAS). In our experience in developing and applying such systems, we have witnessed…     

IEC61850标准在变电站综合自动化系统设计中的应用

IEC61850是关于变电站自动化系统结构和数据通信的国际标准。分析了IEC61850在变电站综合自动化系统应用中的技术特征,对变电站结构的有关规定及功能描述,以及IEC61850标准体系的内容构成,并具体介绍了利用IEC61850标准对于变电站自动化系统的配置原则,且通过具体实例介绍了配置过程。