新型配电自动化系统研究
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摘要
针对中性点非有效接地配网系统特性,提出基于无通道保护模式的新型配电自动化系统,并利SCAD仿真平台对所建配电自动化系统进行仿真分析。仿真结果表明该系统对配电网各种故障做出快速反应,可显著提高系统供电可靠性:单相接地故障时利用零序电压、电流的特性选出接地馈线;不对称故障时利用无通道加速原理隔离故障;对称故障时利用故障电压的阶梯特性切除故障。
In view of the characteristics of distribution network with neutral ineffectively earthed,the paper proposes a new type of distribution automation system based on no channel protection, and makes a simulation and analysis of the proposed system based on PSCAD platform. The results show that the system has quick response to different kinds of faults and enhances the reliability.Specifically, the system selects the feeder using the characteristics of zero sequence voltage and current when single-phase earth fault occurs,insulates the failure based on the non-communication protection when asymmetric fault occurs, and eliminates the fault according the step-characteristics of fault voltage when symmetric fault occurs.
In view of the characteristics of distribution network with neutral ineffectively earthed,the paper proposes a new type of distribution automation system based on no channel protection, and makes a simulation and analysis of the proposed system based on PSCAD platform. The results show that the system has quick response to different kinds of faults and enhances the reliability.Specifically, the system selects the feeder using the characteristics of zero sequence voltage and current when single-phase earth fault occurs,insulates the failure based on the non-communication protection when asymmetric fault occurs, and eliminates the fault according the step-characteristics of fault voltage when symmetric fault occurs.
引文
[1]李万岭,唐诚,黄大为,等.馈线自动化技术发展现状[J].东北电力大学学报,2014,37(5):74-78.LI Wanling,TANG Cheng,HUANG Dawei,et al.The development status of feeder automation technology[J].Journal of Northeast Dianli Uiniversity,2014,37(5):74-78.
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[12]郑顾平,姜超,李刚,等.配网自动化系统中小电流接地故障区段定位方法[J].中国电机工程学报,2012,32(13):33-37.ZHENG Guping,JIANG Chao,LI Gang,et al.The fault section location method for small and medium current of network automation system[J].Proceeding of the CSEE,2012,32(13):33-37.
[13]凌万水,张磐,马杰.馈线自动化终端注人测试法及其应用[J].电网与清洁能源,2015,31(10):71-75,88.LING Wanshui,ZHANG Pan,MA Jie.Feeder automation terminal injection test method and its application[J].Power System and Clean Energy,2015,31(10):71-75,88.
[14]莫芸,陈荣锋,刘刚,等.基于PSCAD的10 kV配电线路接地装置冲击特性研究[J].电瓷避雷器,2013,55(3):53-57.MO Yun,CHEN Rongfeng,LIU Gang,et al.Study on impact characteristics of a 10 kV distribution line grounding device based on PSCAD[J].Insulators and Surge Arresters,2013,55(3):53—57.
[15]BO Z Q.Adaptive non-communication protection for power lines BO scheme 1-the delayed operation approach[J].IEEE Transactions on Power Delivery,2002,17(1):85-91
[16]张梅,董新洲,薄志谦,等.实用化的配电线路无通道保护方案[J].电力系统自动化,2005,29(12):68-72.ZHANG Mei,DONG Xinzhou,BO Zhiqian,et al.No channel protection scheme of practical distribution lines[J].Automation of Electric Systems,2005,29(12):68-72.
[17]李善武,张晓洁,张辉.新型配电自动化远方终端设计方案[J].电子设计工程,2009,17(7):56-58.LI Shanwu,ZHANG Xiaojie,ZHANG Hui.New power distribution automation terminal design scheme[J].Electronic Design Engineering,2009,17(7):56-58.
[18]施慎行,董新洲,薄志谦,等.配电线路无通道保护的实现与试验[J].电力系统自动化,2002,26(12):45-47,63.SHI Shenxing,DONG Xinzhou,BO Zhiqian,et al.The implementation and experiment of no channel protection for distribution line[J].Automation of Electric Systems,2002,26(12):45-47,63.
[19]刘琨,董新洲,施慎行,等.对称故障下基于无通道保护的配电线路自动化[J].清华大学学报,2011,51(11):1562-1567.LIU Kun,DONG Xinzhou,SHI Shenxing,et al.The automation of distribution lines based on no channel protection in symmetrical fault[J].Tsinghua Science and Technology,2011,51(11):1562-1567.
[20]施慎行,许刚,董新洲,等.基于无通道保护的配电线路自动化系统现场应用方案[J].电工电能新技术,2013,32(1):94-97.SHI Shenxing,XU Gang,DONG Xinzhou,et al.On-site application of power distribution line automation system based on no channel protection[J].Advanced Technology of Electrical Engineering and Energy,2013,32(1):94-97.
[2]刘健,倪建立,邓永辉.配电自动化系统[M].北京:中国水利水电出版社,2002.
[3]刘健,董新洲,陈星莺.配电网故障定位于供电恢复[M].北京:中国水利水电出版社,2012.
[4]刘东.我国配电自动化的发展历程与技术进展[J].供用电,2014,30(5):22-25.LIU Dong.Development process and technological progress of distribution automation in China[J].Distribution&Utilization,2014,30(5):22-25
[5]刘健,同向前,张小庆,等.配电网继电保护与故障处理[M].北京:中国电力出版社,2014.
[6]谢春瑰.长春城网馈线自动化系统的实施[D].北京:清华大学,2004
[7]张延辉,郑栋梁,熊伟.10 kV馈线自动化解决方案探讨[J].电力系统保护与控制,2010,38(16):150-152,156.ZHANG Yanhui,ZHENG Dongliang,XIONG Wei.The discussion of 10 kV feeder automation solution[J].Power System Protection and Control,2010,38(16):150-152,156.
[8]LING W S,LIU D.A distributed feeder automation algorithm and its model checking[J].Sensors&Transducers,2014,37(2):16-21.
[9]刘健,张小庆,张志华.继电保护配合提高配电自动化故障处理性能[J].电力系统保护与控制,2015,43(22):10-16.LIU Jian,ZHANG Xiaoqing,ZHANG Zhihua.Improving the performance of fault location and restoration based on relay protection for distribution grid[J].Power System Protection and Control,2015,43(22):10-16.
[10]梁茜,张轩,陈德超,等.配电自动化实用化运行指标智能监测系统的设个与应用[J].陕西电力,2014,42(11):77-81.LIANG Qian,ZHANG Xuan,CHEN Dechao,et al.Design and application of intelligent monitoring system for utility indexes of distribution automation[J].Shaanxi ElectricPower,2014,42(11):77-81.
[11]郭秀钦,郭大庆,张永新,等.配电网节能降损优化改造方案的研究[J].电力电容器与无功补偿,2014,3 5(2):43-49.GUO Xiuqing,GUO Daqing,ZHANG Yongxin,et al.Research of optimization retrofit scheme for reducing loss and saving energy in urban distribution network[J].Power Capacitor&Reactive Power Compensation,2014,35(2):43-49.
[12]郑顾平,姜超,李刚,等.配网自动化系统中小电流接地故障区段定位方法[J].中国电机工程学报,2012,32(13):33-37.ZHENG Guping,JIANG Chao,LI Gang,et al.The fault section location method for small and medium current of network automation system[J].Proceeding of the CSEE,2012,32(13):33-37.
[13]凌万水,张磐,马杰.馈线自动化终端注人测试法及其应用[J].电网与清洁能源,2015,31(10):71-75,88.LING Wanshui,ZHANG Pan,MA Jie.Feeder automation terminal injection test method and its application[J].Power System and Clean Energy,2015,31(10):71-75,88.
[14]莫芸,陈荣锋,刘刚,等.基于PSCAD的10 kV配电线路接地装置冲击特性研究[J].电瓷避雷器,2013,55(3):53-57.MO Yun,CHEN Rongfeng,LIU Gang,et al.Study on impact characteristics of a 10 kV distribution line grounding device based on PSCAD[J].Insulators and Surge Arresters,2013,55(3):53—57.
[15]BO Z Q.Adaptive non-communication protection for power lines BO scheme 1-the delayed operation approach[J].IEEE Transactions on Power Delivery,2002,17(1):85-91
[16]张梅,董新洲,薄志谦,等.实用化的配电线路无通道保护方案[J].电力系统自动化,2005,29(12):68-72.ZHANG Mei,DONG Xinzhou,BO Zhiqian,et al.No channel protection scheme of practical distribution lines[J].Automation of Electric Systems,2005,29(12):68-72.
[17]李善武,张晓洁,张辉.新型配电自动化远方终端设计方案[J].电子设计工程,2009,17(7):56-58.LI Shanwu,ZHANG Xiaojie,ZHANG Hui.New power distribution automation terminal design scheme[J].Electronic Design Engineering,2009,17(7):56-58.
[18]施慎行,董新洲,薄志谦,等.配电线路无通道保护的实现与试验[J].电力系统自动化,2002,26(12):45-47,63.SHI Shenxing,DONG Xinzhou,BO Zhiqian,et al.The implementation and experiment of no channel protection for distribution line[J].Automation of Electric Systems,2002,26(12):45-47,63.
[19]刘琨,董新洲,施慎行,等.对称故障下基于无通道保护的配电线路自动化[J].清华大学学报,2011,51(11):1562-1567.LIU Kun,DONG Xinzhou,SHI Shenxing,et al.The automation of distribution lines based on no channel protection in symmetrical fault[J].Tsinghua Science and Technology,2011,51(11):1562-1567.
[20]施慎行,许刚,董新洲,等.基于无通道保护的配电线路自动化系统现场应用方案[J].电工电能新技术,2013,32(1):94-97.SHI Shenxing,XU Gang,DONG Xinzhou,et al.On-site application of power distribution line automation system based on no channel protection[J].Advanced Technology of Electrical Engineering and Energy,2013,32(1):94-97.