支撑变电站高效运维IEC61850合智一体装置研究

Research on IEC61850 Integrate Smart Terminal for Efficient Substation Operation and Maintenance

以110 kV智能变电站二次数据源头合智一体装置为研究对象,研究基于新型合智一体装置的变电站二次系统高效运维方法。通过手动或自动触发装置的测试功能,以IEC61850-9规约模拟一次设备正常运行和故障状态、正常和异常数据品质,并能多间隔同步启动测试。设计了基于IEC61850-8的测试跳闸指令记录和跳闸结果反馈功能,并通过IEC61850-7和-8规约给出回路状态评估结果。经过设计与测试验证,合智一体装置可以代替数字式继电保护测试仪和网络测试仪,完成变电站运行或检修后的一系列测试任务,并且整个运维过程不改变电站原有回路,自动完成保护功能和通信回路的检验,降低了智能变电站继电保护运维难度,提高了变电站运维效率。

Aiming at the integrate smart terminal of the secondary data source for the 110 kV smart substation,this paper discussed a highly efficient operation and maintenance method for the secondary system of the substation based on a novel integrate smart terminal.Normal operation and fault status,as well as normal and abnormal data quality of the primary equipment were simulated through the test function of the manual or automatic initiating device according to IEC61850-9 protocol,and the test could be initiated in synchronization with different intervals. Test trip command records and tripping result feedback function were designed on the basis of IEC61850-8,and the result of evaluation of the loop state was given according to IEC61850-7 and-8 protocols. Design and tests verified that the integrate smart terminal could replace the digital relay protection tester and network tester to fulfill a series of test tasks after operation or maintenance of the substation. Furthermore,original loops were not changed during entire process of operation and maintenance,and tests on protection functions and communication loops were made automatically,thus reducing operation/maintenance difficulty for substation relay protection and improving its operation/maintenance efficiency.