基于检修态切换的智能变电站保护设备检修辅助安全措施
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摘要
智能变电站引进了过程层设备和光纤虚端子连接,导致保护设备的检修隔离方式与以往有明显差别。运行和检修人员对新技术、新设备不熟悉,仍习惯于传统物理实回路的操作方式,增加了误操作风险。文中总结了智能变电站二次设备检修安全措施操作的现状,分析了智能变电站保护及相关设备的检修隔离手段,提出了采用二次设备检修态转换的方法,仿照常规变电站工作习惯,定义保护及相关设备的检修态,如运行态、信号态、退出态、检修态和隔离态,把所有检修安措操作简化为检修态之间的切换。基于该技术开发了保护检修辅助安措系统,可以提供检修操作界面,辅助生成保护检修安措票,监视检修操作过程。所提技术减轻了运行检修人员现场工作压力,对智能变电站二次回路建模与在线监视也做了一些有益的实践探索。
In smart substation,process level equipment and optical fiber virtual terminal connection have been adopted,which leads to the obvious differences in the maintenance and isolation mode of protection equipment.Operation and maintenance personnel are still accustomed to the operation mode of traditional physical circuit,and are not familiar with new technology and equipment,which increases the risk of maloperation.This paper summarizes the status quo of maintenance safety measures for secondary equipment in smart substation.The means of maintenance and isolation of protection and related equipment in smart substation are analyzed.A method of switching the maintenance state of secondary equipment is proposed,which defines the maintenance state of protection and related equipment,such as operation state,signal state,offline state,maintenance state and isolation state,following the working habits of conventional substations.All maintenance operations are simplified as switching between maintenance states.The proposed method reduces the working pressure of operation and maintenance personnel on site,and makes some practical exploration on the modeling and on-line monitoring of secondary circuit in smart substation.
In smart substation,process level equipment and optical fiber virtual terminal connection have been adopted,which leads to the obvious differences in the maintenance and isolation mode of protection equipment.Operation and maintenance personnel are still accustomed to the operation mode of traditional physical circuit,and are not familiar with new technology and equipment,which increases the risk of maloperation.This paper summarizes the status quo of maintenance safety measures for secondary equipment in smart substation.The means of maintenance and isolation of protection and related equipment in smart substation are analyzed.A method of switching the maintenance state of secondary equipment is proposed,which defines the maintenance state of protection and related equipment,such as operation state,signal state,offline state,maintenance state and isolation state,following the working habits of conventional substations.All maintenance operations are simplified as switching between maintenance states.The proposed method reduces the working pressure of operation and maintenance personnel on site,and makes some practical exploration on the modeling and on-line monitoring of secondary circuit in smart substation.
引文
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[11]朱炳铨,王松,李慧,等.基于IEC 61850GOOSE技术的继电保护工程应用[J].电力系统自动化,2009,33(8):104-107.ZHU Bingquan,WANG Song,LI Hui,et al.Application of IEC 61850 GOOSE technology on protective relaying[J].Automation of Electric Power Systems,2009,33(8):104-107.
[12]罗凌璐,彭奇,王德辉,等.智能变电站过程层网络监控方法[J].电力系统自动化,2018,42(11):151-156.DOI:10.7500/AEPS20170728006.LUO Linglu,PENG Qi,WANG Dehui,et al.Monitoring method of process level network in smart substation[J].Automation of Electric Power Systems,2018,42(11):151-156.DOI:10.7500/AEPS20170728006.
[13]郝少华,李勇,张铁峰,等.新一代智能变电站通信网络及管理系统方案[J].电力系统自动化,2017,41(17):148-154.DOI:10.7500/AEPS20161223004.HAO Shaohua,LI Yong,ZHANG Tiefeng,et al.Scheme of communication network and network management system for new generation smart substation[J].Automation of Electric Power Systems,2017,41(17):148-154.DOI:10.7500/AEPS20161223004.
[2]智能变电站继电保护和电网安全自动化装置现场工作保安规定:Q/GDW 11357—2014[S].2014.Security regulations on relaying protection and stability control equipment for smart substations:Q/GDW 11357—2014[S].2014.
[3]高磊,卜强生,袁宇波,等.基于二次回路比对的智能变电站调试及安全措施[J].电力系统自动化,2015,39(20):130-134.DOI:10.7500/AEPS20150101001.GAO Lei, BU Qiangsheng, YUAN Yubo,et al.Smart substation commissioning and safety measures based on secondary circuit comparison[J].Automation of Electric Power Systems, 2015, 39(20):130-134. DOI:10. 7500/AEPS20150101001.
[4]何旭,姜宪国,张沛超,等.考虑检修策略的智能变电站保护系统可用性分析[J].电网技术,2016,40(6):1121-1126.HE Xu,JIANG Xianguo,ZHANG Peichao,et al.Availability analysis of smart substation protection system considering maintenance strategies[J].Power System Technology,2016,40(6):1121-1126.
[5]彭少博,郑永康,周波,等.220kV智能变电站检修二次安措优化研究[J].电力系统保护与控制,2017,42(23):143-148.PENG Shaobo,ZHENG Yongkang,ZHOU Bo,et al.Study of optimization of secondary safety measures of 220 kV smart substation maintenance[J].Power System Protection and Control,2017,42(23):143-148.
[6]汪际峰,刘之尧,张弛,等.继电保护检验新技术探索[J].电力系统自动化,2016,40(22):1-6.DOI:10.7500/AEPS20160622009.WANG Jifeng,LIU Zhiyao,ZHANG Chi,et al.Exploration of new technology for relay protection testing[J].Automation of Electric Power Systems,2016,40(22):1-6.DOI:10.7500/AEPS20160622009.
[7]侯伟宏,裘愉涛,吴振杰,等.智能变电站继电保护GOOSE回路安全措施研究[J].中国电力,2014,47(9):143-147.HOU Weihong,QIU Yutao,WU Zhenjie,et al.Study on GOOSE isolation measures in smart substation relay protection[J].Electric Power,2014,47(9):143-147.
[8]张旭升,李江林,赵国喜.智能变电站二次安措防误系统研究与应用[J].电力系统保护与控制,2017,45(11):141-146.ZHANG Xusheng,LI Jianglin,ZHAO Guoxi.Research and application of the anti-misoperation system for the intelligent station secondary equipment security measures[J].Power System Protection and Control,2017,45(11):141-146.
[9]吴小忠,郑玉平,万洛飞,等.220kV智能变电站设备纵向集成方案及其研制[J].电力系统自动化,2017,41(18):146-151.DOI:10.7500/AEPS20161212008.WU Xiaozhong,ZHENG Yuping,WAN Luofei,et al.Vertical integration scheme and development of devices in 220 kV substation[J].Automation of Electric Power Systems,2017,41(18):146-151.DOI:10.7500/AEPS20161212008.
[10]胡绍谦,李力,朱晓彤,等.提高智能变电站自动化系统工程实施效率的思路与实践[J].电力系统自动化,2017,41(11):173-179.DOI:10.7500/AEPS20160813007.HU Shaoqian,LI Li,ZHU Xiaotong,et al.Scheme and practice for improving engineering implementation efficiency of smart substation automation system[J].Automation of Electric Power Systems,2017,41(11):173-179.DOI:10.7500/AEPS20160813007.
[11]朱炳铨,王松,李慧,等.基于IEC 61850GOOSE技术的继电保护工程应用[J].电力系统自动化,2009,33(8):104-107.ZHU Bingquan,WANG Song,LI Hui,et al.Application of IEC 61850 GOOSE technology on protective relaying[J].Automation of Electric Power Systems,2009,33(8):104-107.
[12]罗凌璐,彭奇,王德辉,等.智能变电站过程层网络监控方法[J].电力系统自动化,2018,42(11):151-156.DOI:10.7500/AEPS20170728006.LUO Linglu,PENG Qi,WANG Dehui,et al.Monitoring method of process level network in smart substation[J].Automation of Electric Power Systems,2018,42(11):151-156.DOI:10.7500/AEPS20170728006.
[13]郝少华,李勇,张铁峰,等.新一代智能变电站通信网络及管理系统方案[J].电力系统自动化,2017,41(17):148-154.DOI:10.7500/AEPS20161223004.HAO Shaohua,LI Yong,ZHANG Tiefeng,et al.Scheme of communication network and network management system for new generation smart substation[J].Automation of Electric Power Systems,2017,41(17):148-154.DOI:10.7500/AEPS20161223004.
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