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。     

IEC61850到IEC60870通信规约的映射研究

变电站自动化系统目前采用IEC60870的老设备很多,必须保证使用IEC60870标准的装置在通信上与基于IEC61850新标准的系统相互兼容.本文比较了IEC61850与IEC60870两种不同标准体系通信规约的特点,依据变电站通信功能的特点和IEC61850的映射原则,提出了IEC61850到IEC60870-5-103/104通信规约的映射方法和思路,将采用103/104规约的装置纳入新的变电站自动化系统通信体系.     

基于Linux下IEC61850的研究

以Linux操作系统下的GOOSE等报文的通信为研究对象,通过对Linux网络驱动的协议、设备接口层、驱动程序、数据包的发送和接受等方面分析,利用Libpcap建立了IEC61850各类型报文传输的开发系统。     

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.     

试论电力系统自动化的技术优势

加速和电力系统的改革,在中国,随着现代工业的目的,电力驱动的创新和发展.在中国的配置的电力系统中,计算和电力电子新的电力系统的自动化,它为了满足用户的需求.在电力系统的各方面的采用一种控制方法和控制技术,提供更加经济,安全,优质的用户电力最终以保障生产电力和调试各种这样做的原因是为了确保用户的安全访问.     

《电力系统自动化》教学改革探讨

《电力系统自动化》是一门理论与实践并重的学科,以往在教学中存在的困难是内容杂、软硬件结合,系统性不强。本文通过对该课程的教学内容、方法、手段和实践环节等方面进行改革,取得了较好的教学效果,调动了学生的学习积极性。这对提高教学质量,培养宽口径、应用能力强的复合型人才具有重要意义。     

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…     

对电力系统及其自动化专业教学改革的探讨

本文论述了电力系统及其自动化专业教学改革的基础,详细探讨了教学改革的具体措施,分析了教学改革的重要性与必要性.就教学改革的思路、课程设置的优化、教学方式等问题进行了探讨.     

Reliability of substation protection system based on IEC61850

Although the new technology of protection and automation system of substation based on IEC61850 standard has developed rapidly in China, reliability measures depending on this technology need to be further research＇ed. By taking advantage of convenient information sharing, two kinds of new schemes, shared backup protection unit （SBPU） and signal backup （SB）, have been proposed to solve the failure problem of protective devices and current/voltage transducers respectively, and the working principle of these two schemes are also described. Furthermore, the key technologies of on-line diagnosis of protective devices＇ failure and on-line status diagnosis of optical or electronic current/voltage transducers to realize the two schemes are proposed.     

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.     

高职电力系统继电保护及自动化专业教学改革方案分析

基于电力行业职业需求,分析电力系统继电保护及自动化专业的定位和培养目标,从理论、实践和素质教育三个方面构建该专业课程体系,结合新疆电力行业现状和开设相关专业高职院校的基本情况,提出电力系统继电保护及自动化专业的课程教学改革思路.     

发电厂电气系统综合自动化

针对电厂电气系统自动化水平相对落后的状态 ,本文分析了在电厂电气系统中采用综合自动化技术的可行性、必要性及几个关键问题 ,提出了利用现场总线技术的新思路 ,并给出了具体的实施方案     

配电自动化系统的发展趋势

配电网是电力系统发电、输电和配电三大系统之一。电力公司通过配电网实现其产品销售．随着经济的发展、观念的变化，电力公司正经历着一场深刻的变革：电力市场自由化。这场变革使电力公司面临新的挑战，必须采取新的策略，新的技术和管理措施，转变经营理念，如改革电费系统，推广分时电价等，以增强市场竞争力。