马静;王希;米超;王增平;

• 1:新能源电力系统国家重点实验室(华北电力大学)

摘要(Abstract)：

提出了一种适用于分布式电源(distributed generation,DG)接入的配电网自适应保护新方法。该方法根据系统的运行方式和网络的拓扑结构,对保护背侧网络进行等值变换,并根据支路贡献因子矩阵,消除DG对各支路电流的影响,在此基础上,构造配电网自适应主保护和后备保护判据。与传统电流保护相比,该方法增大了主保护和后备保护的保护范围,计算简单,易于整定。仿真结果表明,该方法不受DG接入的影响,在对称故障或不对称故障情况下均能实现保护的自适应功能。

关键词(KeyWords)： 分布式电源;自适应保护;等值变换;支路贡献因子矩阵

Abstract:

Keywords:

基金项目(Foundation): 国家重点基础研究发展计划项目(973项目)(2009CB219704);; 国家自然科学基金项目(50907021,50837002,50920105705);; “111”引智计划(B08013);; 中央高校基本科研业务费专项资金项目(11MG01,09QX64)~~

作者(Author): 马静;王希;米超;王增平;

Email:

DOI:

参考文献(References)：

• [1]梁有伟,胡志坚,陈允平.分布式发电及其在电力系统中的应用研究综述[J].电网技术,2003,27(12):71-75.Liang Youwei,Hu Zhijian,Chen Yunping.A survey of distributedgeneration and its application in power systems[J].Power SystemTechnology,2003,27(12):71-75(in Chinese).
• [2]梁才浩,段献忠.分布式发电及其对电力系统的影响[J].电力系统自动化,2001,25(6):53-56.Liang Caihao,Duan Xianzhong.Distributed generation and its impacton power system[J].Automation of Electric Power Systems,2001,25(6):53-56(in Chinese).
• [3]赵上林,吴在军,胡敏强,等.关于分布式发电保护与微网保护的思考[J].电力系统自动化,2010,34(1):73-77.Zhao Shanglin,Wu Zaijun,Hu Minqiang,et al.Thought aboutprotection of distributed generation and microgrid[J].Automation ofElectric Power Systems,2010,34(1):73-77(in Chinese).
• [4]庞建业,夏晓宾,房牧.分布式发电对配电网继电保护的影响[J].继电器,2007,35(11):5-8.Pang Jianye,Xia Xiaobin,Fang Mu.Impact of distributed generationto protection of distribution system[J].Relay,2007,35(11):5-8(inChinese).
• [5]温阳东,王欣.分布式发电对配电网继电保护的影响[J].继电器,2008,24(7):12-14.Wen Yangdong,Wang Xin.Effect of distributed generation onprotection in distribution system[J].Relay,2008,24(7):12-14(inChinese).
• [6]周卫,张尧,夏成军,等.分布式发电对配电网继电保护的影响[J].电力系统保护与控制,2010,38(3):1-5.Zhou Wei,Zhang Yao,Xia Chengjun,et al.Effect of distributedgeneration on relay protection of distributed system[J].Power SystemProtection and Control,2010,38(3):1-5(in Chinese).
• [7]Barker P P,De Mello R W.Determining the impact of distributedgeneration on power systems.I.Radial distribution systems[C]//IEEEPower Engineering Society Summer Meeting.Washington,USA:IEEE,2000:1-5.
• [8]Basso T S,DeBlasio R.IEEE1547series of standards:interconnection issues[J].IEEE Trans on Power Electronics,2003,19(5):1159-1162.
• [9]IEEE Std1547,IEEE standard for interconnecting distributedresources with electric power systems[S].
• [10]IEEE Std929—2000,IEEE recommended practice for utilityinterface of photovoltaic(PV)systems[S].
• [11]孙鸣,余娟,邓博.分布式发电对配电网线路保护影响的分析[J].电网技术,2009,33(8):104-107.Sun Ming,Yu Juan,Deng Bo.Analysis of impact of DGs on lineprotection of distribution networks[J].Power System Technology,2009,33(8):104-107(in Chinese).
• [12]林霞,陆于平,王联合.分布式发电条件下的多电源故障区域定位新方法[J].电工技术学报,2008,23(11):139-145.Lin Xia,Lu Yuping,Wang Lianhe.New fault region location schemein distribution system with DGs[J].Transactions of ChinaElectrotechnical Society,2008,23(11):139-145(in Chinese).
• [13]朱玲玲,李长凯,张华中,等.含分布式电源的配电网方向过流保护[J].电网技术,2009,33(14):94-98.Zhu Lingling,Li Changkai,Zhang Huazhong,et al.Directionalovercurrent protection for distribution systems containing distributedgeneration[J].Power System Technology,2009,33(14):94-98(inChinese).
• [14]林霞,陆于平,王联合,等.含分布式电源的配电网智能电流保护策略[J].电网技术,2009,33(6):82-89.Lin Xia,Lu Yuping,Wang Lianhe,et al.An intelligent currentprotection strategy for distribution network containing distributedgeneration[J].Power System Technology,2009,33(6):82-89(inChinese).
• [15]张艳霞,代凤仙.含分布式电源配电网的馈线保护新方案[J].电力系统自动化,2009,33(12):71-74.Zhang Yanxia,Dai Fengxian.New schemes of feeder protection fordistribution networks including distributed generation[J].Automationof Electric Power Systems,2009,33(12):71-74(in Chinese).
• [16]孙景钌,李永丽,李盛伟,等.含分布式电源配电网保护方案[J].电力系统自动化,2009,33(1):81-84.Sun Jingliao,Li Yongli,Li Shengwei,et al.A protection scheme fordistribution system with distributed generations[J].Automation ofElectric Power Systems,2009,33(1):81-84(in Chinese).
• [17]Baran M E,El-Markaby I M.Fault analysis on distribution feederswith distributed generators[J].IEEE Trans on Power System,2005,20(4):1757-1764.
• [18]Chen T H,Chen M S,Inoue T,et al.Three-phase cogeneration andtransformer models for distribution system analysis[J].IEEE Trans onPower Delivery,1991,4(6):1671-1681.
• [19]Salman S K,Rida I M.Investigating the impact of embeddedgeneration on relay setting of utilities electrical feeders[J].IEEE Transon Power Delivery,2001,16(2):246-251.
• [20]葛耀中.新型继电保护和故障测距的原理与技术[M].西安:西安交通大学出版社,2007:341.