基于最小路集的数字化变电站继电保护系统的研究
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摘要
数字化变电站继电保护系统的动作正确与否直接影响着电力系统的安全性和可靠性,提出了基于最小路径集的数字化变电站继电保护系统。首先,分析了数字化变电站继电保护系统,分别从数字化变电站继电保护的技术特征、系统组成、通信、以及特点等方面进行了分析;其次,针对数字化变电站提出了最小路径集算法,并对数字化变电站几点保护系统的可靠性进行模型构建;最后,采用某500kV变电站继电保护系统,进行实际算例仿真,仿真结果的可靠性为0.982 6,验证了所提方法的有效性和可靠性能。
In view of the digital substation relay protection system of action is correct or not directly affects the security and reliability of the power system,based on the minimum path sets of digital substation relay protection system.Firstly,the digital substation relay protection system is analyzed,and the technical characteristics,system composition,communication and characteristics of digital substation relay protection are analyzed.Secondly,the minimum path set algorithm is proposed for digital substation,and the reliability of several protection systems of digital substation is constructed.Finally,a 500 kV substation relay protection system is adopted to carry out the actual numerical simulation.The reliability of the simulation results is 0.982 6,which verifies the effectiveness and reliability of the proposed method in this paper.
In view of the digital substation relay protection system of action is correct or not directly affects the security and reliability of the power system,based on the minimum path sets of digital substation relay protection system.Firstly,the digital substation relay protection system is analyzed,and the technical characteristics,system composition,communication and characteristics of digital substation relay protection are analyzed.Secondly,the minimum path set algorithm is proposed for digital substation,and the reliability of several protection systems of digital substation is constructed.Finally,a 500 kV substation relay protection system is adopted to carry out the actual numerical simulation.The reliability of the simulation results is 0.982 6,which verifies the effectiveness and reliability of the proposed method in this paper.
引文
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[5]徐长宝,王玉磊,赵立进,等.基于信息趋势预测和组合赋权的智能变电站继电保护系统状态模糊综合评价[J].电力自动化设备,2018,38(1):162-168.
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[11]盛海华,赵纪元,奚洪磊.适应智能电网继电保护定值的在线管控方案[J].电力系统自动化,2016,40(15):154-158.
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[13]贺小旺,何瑞文,李永亮,等.智能变电站报文分网传输下保护可靠性分析[J].智能电网,2017,5(3):260-266.
[14]朱博.智能变电站继电保护系统可靠性分析[J].电子制作,2017(14):87-88.
[15]叶远波,孙月琴,黄太贵,等.智能变电站继电保护二次回路在线监测与故障诊断技术[J].电力系统保护与控制,2016,44(20):148-153.
[16]刘颖.提高智能变电站采样可靠性的研究与应用[J].电力系统保护与控制,2016,44(19):150-156.
[17]陈晨,刘俊勇,刘友波,等.一种考虑变电站内部的电力系统可靠性分析[J].电力自动化设备,2015,35(2):103-109.
[2]赖学强.提高110kV数字化变电站继电保护可靠性的措施[J].高科技与产业化,2010(8):73-75.
[3]王同文,谢民,孙月琴,等.智能变电站继电保护系统可靠性分析[J].电力系统保护与控制,2015,43(6):58-66.
[4]王超,王慧芳,张弛,等.数字化变电站继电保护系统的可靠性建模研究[J].电力系统保护与控制,2013,41(3):8-13.
[5]徐长宝,王玉磊,赵立进,等.基于信息趋势预测和组合赋权的智能变电站继电保护系统状态模糊综合评价[J].电力自动化设备,2018,38(1):162-168.
[6]刘洋,马进,张籍,等.考虑继电保护系统的新一代智能变电站可靠性评估[J].电力系统保护与控制,2017,45(8):147-154.
[7]王思远,王颖超.提高智能变电站继电保护系统可靠性的措施[J].农村电气化,2017(11):61.
[8]笃峻,叶翔,葛立青,等.智能变电站继电保护在线运维系统关键技术的研究及实现[J].电力自动化设备,2016,36(7):163-168,175.
[9]于静.智能变电站继电保护系统可靠性研究[J].电力安全技术,2016,18(4):38-41.
[10]潘继军,桂顺生.并网运行的分布式小电源系统继电保护改造要求及安全自动装置配置应用[J].电气应用,2016,35(9):50-52.
[11]盛海华,赵纪元,奚洪磊.适应智能电网继电保护定值的在线管控方案[J].电力系统自动化,2016,40(15):154-158.
[12]刘丛然,梁新兰.110kV数字变电站继电保护配置方案探讨[J].电气自动化,2017,39(1):53-55.
[13]贺小旺,何瑞文,李永亮,等.智能变电站报文分网传输下保护可靠性分析[J].智能电网,2017,5(3):260-266.
[14]朱博.智能变电站继电保护系统可靠性分析[J].电子制作,2017(14):87-88.
[15]叶远波,孙月琴,黄太贵,等.智能变电站继电保护二次回路在线监测与故障诊断技术[J].电力系统保护与控制,2016,44(20):148-153.
[16]刘颖.提高智能变电站采样可靠性的研究与应用[J].电力系统保护与控制,2016,44(19):150-156.
[17]陈晨,刘俊勇,刘友波,等.一种考虑变电站内部的电力系统可靠性分析[J].电力自动化设备,2015,35(2):103-109.