就地化保护环网通信异常分析及处理策略
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摘要
环网通信是就地化保护的一个重要技术特点,其可靠性直接影响就地化保护的性能。文中介绍了就地化保护环网通信的通信机制和典型实现架构,分析了通信中断、误码、延时补偿异常、网络风暴等典型通信异常对就地化保护的影响。在此基础上,提出了基于双环双向数据判别的通信中断、误码、延时补偿异常处理策略以及基于报文识别和过滤的网络风暴处理策略,并给出了具体的实现方案。最后通过试验证明了处理策略的可行性。
Ring network communication is an important technical feature of outdoor installation protection, and its reliability directly affects the performance of outdoor installation protection. This paper introduces the communication mechanism and typical implementation framework of outdoor installation protection ring network communication, and analyses the influence of typical communication exceptions such as communication interruption, code error, delay compensation anomaly and network storm on outdoor installation protection. On this basis, handling strategy for communication interrupt, error code, and delay compensation based on double-loop bidirectional data discrimination, network storm handling strategy based on message recognition and filtering are proposed, and the specific implementation scheme is given. Finally, the feasibility and effectiveness of the handling strategy are verified by experiments.
Ring network communication is an important technical feature of outdoor installation protection, and its reliability directly affects the performance of outdoor installation protection. This paper introduces the communication mechanism and typical implementation framework of outdoor installation protection ring network communication, and analyses the influence of typical communication exceptions such as communication interruption, code error, delay compensation anomaly and network storm on outdoor installation protection. On this basis, handling strategy for communication interrupt, error code, and delay compensation based on double-loop bidirectional data discrimination, network storm handling strategy based on message recognition and filtering are proposed, and the specific implementation scheme is given. Finally, the feasibility and effectiveness of the handling strategy are verified by experiments.
引文
[1] 裘愉涛,王德林,胡晨,等.无防护安装就地化保护应用与实践[J].电力系统保护与控制,2016,144(20):1-5.QIU Yutao, WANG Delin, HU Chen, et al. Application and practice of unprotected outdoor installation protection[J]. Power System Protection and Control, 2016, 144(20): 1-5.
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[4] 裘愉涛,江伟建,李刚,等.就地化保护装置全天候安装箱体结构的关键技术研究[J].工业控制计算机,2017,30(8):145-147.QIU Yutao, JIANG Weijian, LI Gang, et al. Research on key technology of all-weather installation of box structure in localized protection device[J]. Industrial Control Computer, 2017, 30(8): 145-147.
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[6] 黄天啸,刘平,辛光明,等.智能变电站过程层网络风暴的分析与处理[J].中国电力,2014,47(11):112-116. HUANG Tianxiao, LIU Ping, XIN Guangming, et al. Analysis and treatment of process-level network storm in smart substation[J]. Electric Power, 2014, 47(11): 112-116.
[7] 姚亮,邹磊,王胜.智能变电站继电保护应对网络风暴的策略探讨[J].电气自动化,2016,38(5):60-63.YAO Liang, ZOU Lei, WANG Sheng. Strategies on how to use smart substation relaying to deal with the network storm[J]. Electrical Automation, 2016, 38(5): 60-63.
[8] 王德林,郑玉平,周华良,等.基于多HSR环网的分布式母差平台及关键技术[J].电力系统自动化,2017,41(16):27-33.DOI:10.7500/AEPS20170220004. WANG Delin, ZHENG Yuping, ZHOU Hualiang, et al. Platform and key technology for distributed bus protection based on multi-HSR network[J]. Automation of Electric Power Systems, 2017, 41(16): 27-33. DOI: 10.7500/AEPS 20170220004.
[9] 裘愉涛,徐凯,陈福锋,等.基于双向环网的变压器保护就地化实现方案[J].电力系统自动化,2017,41(16):41-45.DOI:10.7500/AEPS20161024007.QIU Yutao, XU Kai, CHEN Fufeng, et al. Implementation scheme of outdoor installation transformer protection based on bidirectional ring network[J]. Automation of Electric Power Systems, 2017, 41(16): 41-45. DOI: 10.7500/AEPS 20161024007.
[10] High availability automation networks: Part 3 parallel redundancy protocol (PRP)and high availability seamless redundancy (HSR): IEC 62439-3—2010[S]. 2010.
[11] 丁泉,李帅.智能变电站重采样应用研究及其线性插值法误差分析[J].电力系统保护与控制,2015,43(23):132-136.DING Quan, LI Shuai. Application study on resampling in smart substation with error analysis of linear interpolation[J]. Power System Protection and Control, 2015, 43(23): 132-136.
[12] 周华良,郑玉平,姚吉文,等.面向智能变电站二次设备的网络报文管控技术[J].电力系统自动化,2015,39(19):96-100.ZHOU Hualiang, ZHENG Yuping, YAO Jiwen, et al. Network packet control technology for secondary equipments in smart substation[J]. Automation of Electric Power Systems, 2015, 39(19): 96-100.
[13] 余越,周春霞,詹荣荣,等.智能变电站继电保护装置网络压力产生原因及测试方法研究[J].电力系统保护与控制,2017,45(18):156-161.YU Yue, ZHOU Chunxia, ZHAN Rongrong, et al. Research on network stress causes and test method of relay protection in smart substation[J]. Power System Protection and Control, 2017, 45(18): 156-161.
[14] 李秀丽,李文正,鲍都都,等.基于电子式互感器双A/D采样的差动保护可靠性方案研究[J].电力系统保护与控制,2012,40(16):106-110.LI Xiuli, LI Wenzheng, BAO Dudu, et al. Research of differential protection reliability scheme based on the electronic transformer double A/D sampling[J]. Power System Protection and Control, 2012, 40(16): 106-110.
[2] 王德林,裘愉涛,凌光,等.变电站即插即用就地化保护的应用方案和经济性比较[J].电力系统自动化,2017,41(16):12-16.DOI:10.7500/AEPS20170215010.WANG Delin, QIU Yutao, LING Guang, et al. Application scheme and economical comparison of plug & play and outdoor installation protection in substation[J]. Automation of Electric Power Systems, 2017, 41(16): 12-16. DOI: 10.7500/AEPS20170215010.
[3] 吴通华,郑玉平,周华,等.基于功能纵向集成的无防护安装就地化线路保护[J].电力系统自动化,2017,41(16):46-51.DOI:10.7500/AEPS20170309005. WU Tonghua, ZHENG Yuping, ZHOU Hua, et al. Vertically integrated outdoor installation line protection[J]. Automation of Electric Power Systems, 2017, 41(16): 46-51. DOI: 10.7500/AEPS20170309005.
[4] 裘愉涛,江伟建,李刚,等.就地化保护装置全天候安装箱体结构的关键技术研究[J].工业控制计算机,2017,30(8):145-147.QIU Yutao, JIANG Weijian, LI Gang, et al. Research on key technology of all-weather installation of box structure in localized protection device[J]. Industrial Control Computer, 2017, 30(8): 145-147.
[5] 陈国平,王德林,裘愉涛,等.继电保护面临的挑战与展望[J].电力系统自动化,2017,41(16):1-8.DOI:10.7500/AEPS 20170219004.CHEN Guoping, WANG Delin, QIU Yutao, et al. Challenges and development prospects of relay protection technology[J]. Automation of Electric Power Systems, 2017, 41(16): 1-8. DOI: 10.7500/AEPS20170219004.
[6] 黄天啸,刘平,辛光明,等.智能变电站过程层网络风暴的分析与处理[J].中国电力,2014,47(11):112-116. HUANG Tianxiao, LIU Ping, XIN Guangming, et al. Analysis and treatment of process-level network storm in smart substation[J]. Electric Power, 2014, 47(11): 112-116.
[7] 姚亮,邹磊,王胜.智能变电站继电保护应对网络风暴的策略探讨[J].电气自动化,2016,38(5):60-63.YAO Liang, ZOU Lei, WANG Sheng. Strategies on how to use smart substation relaying to deal with the network storm[J]. Electrical Automation, 2016, 38(5): 60-63.
[8] 王德林,郑玉平,周华良,等.基于多HSR环网的分布式母差平台及关键技术[J].电力系统自动化,2017,41(16):27-33.DOI:10.7500/AEPS20170220004. WANG Delin, ZHENG Yuping, ZHOU Hualiang, et al. Platform and key technology for distributed bus protection based on multi-HSR network[J]. Automation of Electric Power Systems, 2017, 41(16): 27-33. DOI: 10.7500/AEPS 20170220004.
[9] 裘愉涛,徐凯,陈福锋,等.基于双向环网的变压器保护就地化实现方案[J].电力系统自动化,2017,41(16):41-45.DOI:10.7500/AEPS20161024007.QIU Yutao, XU Kai, CHEN Fufeng, et al. Implementation scheme of outdoor installation transformer protection based on bidirectional ring network[J]. Automation of Electric Power Systems, 2017, 41(16): 41-45. DOI: 10.7500/AEPS 20161024007.
[10] High availability automation networks: Part 3 parallel redundancy protocol (PRP)and high availability seamless redundancy (HSR): IEC 62439-3—2010[S]. 2010.
[11] 丁泉,李帅.智能变电站重采样应用研究及其线性插值法误差分析[J].电力系统保护与控制,2015,43(23):132-136.DING Quan, LI Shuai. Application study on resampling in smart substation with error analysis of linear interpolation[J]. Power System Protection and Control, 2015, 43(23): 132-136.
[12] 周华良,郑玉平,姚吉文,等.面向智能变电站二次设备的网络报文管控技术[J].电力系统自动化,2015,39(19):96-100.ZHOU Hualiang, ZHENG Yuping, YAO Jiwen, et al. Network packet control technology for secondary equipments in smart substation[J]. Automation of Electric Power Systems, 2015, 39(19): 96-100.
[13] 余越,周春霞,詹荣荣,等.智能变电站继电保护装置网络压力产生原因及测试方法研究[J].电力系统保护与控制,2017,45(18):156-161.YU Yue, ZHOU Chunxia, ZHAN Rongrong, et al. Research on network stress causes and test method of relay protection in smart substation[J]. Power System Protection and Control, 2017, 45(18): 156-161.
[14] 李秀丽,李文正,鲍都都,等.基于电子式互感器双A/D采样的差动保护可靠性方案研究[J].电力系统保护与控制,2012,40(16):106-110.LI Xiuli, LI Wenzheng, BAO Dudu, et al. Research of differential protection reliability scheme based on the electronic transformer double A/D sampling[J]. Power System Protection and Control, 2012, 40(16): 106-110.