基于深度搜索的二次虚实回路融合故障诊断技术
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摘要
为了解决在智能变电站运维和检修中,二次虚回路可视化展示、回路监测和诊断出现的问题,构建智能变电站二次虚回路综合监视技术体系。设计软压板与虚回路配置规则,将软压板对象状态监测作为虚回路监测的一部分。提出基于邻接表存储物理光纤回路,基于深度优先搜索算法实现过程层设备物理拓扑链接关系。同时基于深度搜索故障推理算法诊断和定位故障区域,满足智能变电站二次设备运维新的应用需求。
In order to solve the problem of visual display,loop monitoring and diagnosis of secondary virtual circuit in operation and maintenance of intelligent substation,the virtual circuit comprehensive monitoring technology system of intelligent substation is constructed. The configuration rules of the soft plate and the virtual circuit are designed,and the state monitoring of the soft plate object is taken as part of the virtual circuit detection. It is proposed to store physical fiber loop based on adjacency list,and realize the physical link relationship of process layer equipment by adopting depth first search algorithm. Meanwhile,the fault area are diagnosed and located based on depth search and fault reasoning algorithms,which satisfies the new application demand of secondary equipment operation and maintenance in intelligent substation.
In order to solve the problem of visual display,loop monitoring and diagnosis of secondary virtual circuit in operation and maintenance of intelligent substation,the virtual circuit comprehensive monitoring technology system of intelligent substation is constructed. The configuration rules of the soft plate and the virtual circuit are designed,and the state monitoring of the soft plate object is taken as part of the virtual circuit detection. It is proposed to store physical fiber loop based on adjacency list,and realize the physical link relationship of process layer equipment by adopting depth first search algorithm. Meanwhile,the fault area are diagnosed and located based on depth search and fault reasoning algorithms,which satisfies the new application demand of secondary equipment operation and maintenance in intelligent substation.
引文
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[3] 笃峻,张海宁,柏杨,等.智能变电站设备状态监测系统通信关键技术及实现[J].电力自动化设备,2016,36(4):151-156.DU Jun,ZHANG Haining,BAI Yang,et al.Key technology of communication and its implementation for equipment status monitoring system of smart substation[J].Electric Power Automation Equipment,2016,36(4):151-156.
[4] 刘琨,黄明辉,李一泉,等.智能变电站故障信息模型与继电保护在线监测方法[J].电力自动化设备,2018,38(2):210-216.LIU Kun,HUANG Minghui,LI Yiquan,et al.Fault information model and online monitoring method for relay protection system in smart substation[J].Electric Power Automation Equipment,2018,38(2):210-216.
[5] 黄树帮,倪益民,张海东,等.智能变电站配置描述模型多维度信息断面解耦技术[J].电力系统自动化,2016,40(22):15-21.HUANG Shubang,NI Yimin,ZHANG Haidong,et al.Multi-dimensional information section decoupling technology of substation configuration description model for smart substations[J].Automation of Electric Power Systems,2016,40(22):15-21.
[6] 刘明忠,童晓阳,郑永康,等.智能变电站配置描述虚端子多视角图形化查看系统[J].电力系统自动化,2015,39(22):104-109,144.LIU Mingzhong,TONG Xiaoyang,ZHENG Yongkang,et al.Multi-view graphical viewing system for virtual terminals in smart substation configuration description[J].Automation of Electric Power Systems,2015,39(22):104-109,144.
[7] 袁浩,屈刚,庄卫金,等.电网二次设备状态监测内容探讨[J].电力系统自动化,2014,38(12):100-106.YUAN Hao,QU Gang,ZHUANG Weijin,et al.Discussion on condition monitoring contents of secondary equipment in power grid[J].Automation of Electric Power Systems,2014,38(12):100-106.
[8] 李宝伟,倪传坤,李宝潭,等.新一代智能变电站继电保护故障可视化分析方案[J].电力系统自动化,2014,38(5):73-77.LI Baowei,NI Chuankun,LI Baotan,et al.Analysis scheme for relay protection fault visualizationin new generation smart substation[J].Automation of Electric Power Systems,2014,38(5):73-77.
[9] 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.HAO Shaohua,LI Yong,ZHANG Tiefeng,et al.Scheme of communication networkand network management systemfor new generation smart substation[J].Automation of Electric Power Systems,2017,41(17):148-154.
[10] 国家电网公司.IEC61850工程继电保护应用模型:Q/GDW 1396 —2014[S].北京:中国电力出版社,2014.
[11] 李跃军.智能变电站二次设备状态评估模型及其应用的研究[D].北京:华北电力大学,2015.LI Yuejun.Research on condition-based evaluation model and application of secondary equipment in intelligent substation[D].Beijing:North China Electric Power University,2015.