基于IEC61850的智能变电站电流差动保护通信机制  

Communication Mechanism for Differential Protection Based on IEC61850 Smart Substations

作　　者：崔以刚[1] 崔中星 CUI Yi-gang;CUI Zhong-xing(DongyingVocational College College of PetroleumEquipment andMechanical and Electrical Engineering,Dongying 257091 China;State Grid Shandong Electric Power Company Maintenance Company,Jinan 250000 China)

机构地区：[1]东营职业学院石油装备与机电工程学院,山东东营257091 [2]国网山东省电力公司检修公司,山东济南250000

出　　处：《自动化技术与应用》2020年第6期75-80,共6页Techniques of Automation and Applications

摘　　要：本文提出了一种基于IEC61850标准的电流差动保护通信机制。首先分析了IEC61850标准在变电站通信的基本过程。然后提出了以逻辑节点进行通信的数据交换方式,详细说明了电流差动保护在该通信机制下的配置原理。从站内通信和站间通信两个方面说明了差动保护的通信机制。最后通过对变电站IED的参数设置,在riverbed模拟器上对所提方法进行了多种不同类型网络通信类型下的测试,结果说明了本文所提方法可以降低延时、减少丢包。This paper presents communication configuration for line current differential protection schemes applied between two automated substations.First the fundamentals of IEC61850 and its communication scheme for substation are analyzed.Then the local substation and intersubstation data communication mechanism are proposed.Finally its performance is evaluated using the Riverbed simulator tool.This study intends to guide the development of a robust protection scheme with IEC-61850-based communication configuration.

关 键 词：智能变电站 IEC61850 电流差动保护 继电保护通信 

分 类 号：TM73[电气工程—电力系统及自动化]