智能变电站二次设备集成整合新方案  

The New Scheme About Integration of Secondary Devices in Smart Substation

作　　者：樊陈 姚志强 常乃超 刘宇 舒治淮 李明节 FAN Chen;YAO Zhiqiang;CHANG Naichao;LIU Yu;SHU Zhihuai;LI Mingjie(China Electric Power Research Institute,Nanjing 210003,Jiangsu Province,China;State Grid Corporation of China,Xicheng District,Beijing100031,China)

机构地区：[1]中国电力科学研究院有限公司,江苏省南京市210003 [2]国家电力调度控制中心,北京市西城区100031

出　　处：《电网技术》2025年第2期798-806,共9页Power System Technology

基　　金：国家重点研发计划项目(2021YFB2401000)。

摘　　要：随着智能变电站全面推广建设,智能变电站二次设备的应用日益成熟,推动了二次设备共性功能的集成整合,新型电力系统的发展建设对智能变电站提出了新的要求,有必要结合智能变电站自身发展趋势和新型电力系统发展需求对二次设备集成整合方案进行探讨。总结梳理了当前智能变电站二次设备集成方案的现状,结合新的发展趋势,分析了过程层合并单元智能终端集成从110kV推广应到220kV及以上电压等级的可行性,论述了过程层采样值(sample value,SV)和通用面向对象的变电站事件(generic object-oriented substation event,GOOSE)共网口传输对保护测控的影响以及采样频率传输的需求;讨论了间隔层新的宽频测量装置、智能故障录波装置、集群测控装置、分组式测控装置和纵向集成装置的设备集成方案,论述了站控层数据通信网关机和数据集中器、宽频测量处理单元和数据集中器不同的集成整合方案。结合工程应用实际,对各个方案的可行性及工程运维问题进行了讨论,最后总结了各设备集成后对变电站系统架构的影响,同时也结合国产芯片应用对设备集成方案的影响进行了分析,能够为新型电力系统发展背景下,智能变电站的发展及建设提供参考。With the comprehensive promotion and construction of smart substations,the application of secondary devices in smart substations is becoming more mature,which promotes the further integration of common functions of secondary devices.Developing and constructing new-type power systems have also put forward new requirements and generated new devices for smart substations.It is necessary to explore the new integration scheme of secondary devices in combination with the development trend of smart substations and the new need for new-type power systems.The status of the integration scheme of secondary devices in smart substations is summarized.The integration of merging unit and intelligent terminal in the process layer,which is promoted from 110kV to 220kV and above voltage level,is discussed,and the impact of relay protection based on SV(sample value)and GOOSE(generic object-oriented substation event)common port transmission and multiple-sampling rate of SV is analyzed.The wide-frequency measurement device,new fault recording device,cluster measurement and control device,bay-group control unit,and vertical integration scheme in the bay layer are presented as the integration of the data communication gateway and phasor data concentrator and the integration of wide-frequency processing unit and phasor data concentrator in station layer are described.Based on practical engineering applications,the feasibility of each scheme and the maintenance are discussed,and the integration scheme is analyzed in conjunction with the issue of domestic chips.This can provide a reference for developing and constructing of smart substations in the context of developing new-type power systems.

关 键 词：智能变电站 设备集成 IEC61850 宽频测量 新型电力系统 

分 类 号：TM721[电气工程—电力系统及自动化]