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电网技术  2013 

一种基于电流差动原理的变电站后备保护

, PP. 1113-1120

Keywords: 数字化变电站,继电保护,站域差动保护,极坐标平面,制动特性,CT断线

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Abstract:

提出了面向变电站的基于差动原理的数字化站域保护方案。分析了变电站主设备故障时的电气量特征,构造了站域差动保护判据,在极坐标平面上分析了该判据的动作特性,提出了制动系数的选取原则,利用变电站冗余信息构建了站域保护系统,并分析了不同设备主保护拒动、CT断线时本方案的动作性能。利用RTDS进行了仿真验证,仿真结果表明,本方案无需增加设备,通过有效利用冗余信息可以提高变电站保护的整体性能,主保护拒动时可以快速切除故障元件,且不受PT、CT断线的影响。

References

[1]  丛伟,潘贞存,赵建国,等.基于电流差动原理的广域继电保护系统[J].电网技术,2006,30(5):91-95. Cong Wei,Pan Zhencun,Zhao Jianguo,et al.A wide area protective relaying system based on current differential protection principle [J].Power System Technology,2006,30(5):91-95(in Chinese).
[2]  王维俭.电气主设备继电保护原理与应用[M].2版.北京:中国电力出版社,2002:7-10.
[3]  葛耀中.电流差动保护动作判据的分析与研究[J].西安交通大学学报,1980,14(2):1-10. Ge Yaozhong,Analysis and study of the criteria of current differential protection[J].Transaction of Xi?an Jiaotong University,1980,14(2): 1-10(in Chinese).
[4]  Anderson P M.Power system protection[M].New York:The institute of Electrical and Electronics Engineers, Inc. Press,1998:649-657.
[5]  苗世洪,刘沛.超高压输电线路的自适应保护判据[J].电网技术,2008,32(10):43-49. Miao Shihong,Liu Pei.Adaptive protection criterion for EHV transmission lines[J].Power System Technology,2008,32(10):43-49 (in Chinese).
[6]  袁荣湘,陈德树,张哲.高压输电线路新型差动保护的研究[J].中国电机工程学报,2000,20(4):9-13. Yuan Rongxiang,Chen Deshu,Zhang Zhe.Study on a new differential protection for transmission line[J].Proceedings of the CSEE,2000,20(4):9-13(in Chinese).
[7]  肖仕武,程艳杰,王亚.基于贝瑞隆模型的半波长交流输电线路电流差动保护原理[J].电网技术,2011,35(9):46-50. Xiao Shiwu,Cheng Yanjie,Wang Ya.A Bergeron model based current differential protection principle for UHV half wave-length AC transmission line[J].Power System Technology,2011,35(9):46-50(in Chinese).
[8]  汤俊,王晓茹.反应重负荷下高阻故障的稳态量线路差动保护判据[J].中国电机工程学报,2008,28(4):72-77. Tang Jun,Wang Xiaoru.Current different protection criterion using steady current for heavy-load line with high fault resistance [J].Proceedings of the CSEE,2008,28(4):72-77(in Chinese).
[9]  索南加乐,张怿宁,齐军,等.π模型时域电容电流补偿的电流差动保护研究[J].中国电机工程学报,2006,26(5):12-18. Suonan Jiale,Zhang Yining,Qi Jun,et al.Study of current differential protection using time-domain capacitive current compensating algorithm on π model[J].Proceedings of the CSEE,2006,26(5):12-18(in Chinese).
[10]  李晓华,柳焕章,尹项根,等.新型双K值差动保护研究[J].中国电机工程学报,2007,27(25):49-55. Li Xiaohua, Liu Huanzhang, Yin Xianggen,et al.Novel differential protection with double restraint coefficient[J].Proceedings of the CSEE,2007,27(25):49-55(in Chinese).
[11]  柳焕章,李晓华.新型数字线路电流差动保护原理及其应用[J].电网技术,2007,31(11):75-81. Liu Huanzhang,Li Xiaohua. A novel principle of digital current differential protection for transmission line and its application [J].Power System Technology,2007,31(11):75-81(in Chinese).
[12]  田聪聪,文明浩.具有高信息冗余的广域后备保护系统[J].电网技术,2011,35(10):214-219. Tian Congcong,Wen Minghao.A wide-area backup protection system with high information redundancy[J].Power System Technology,2011,35(10):214-219(in Chinese).
[13]  李振兴,尹项根,张哲,等.分区域广域继电保护的系统结构与故障识别[J].中国电机工程学报,2011,31(28):95-103. Li Zhenxing,Yin Xianggen,Zhang Zhe,et al.Study on system architecture and fault identification of zone-division wide area protection[J].Proceedings of the CSEE,2011,31(28):95-103(in Chinese).
[14]  Serizawa Y,Myoujin M,Kitamura K,et al.Wide-area current differential backup protection employing broadband communications and time transfer systems[J].IEEE Transactions on Power Delivery,1998,13(4):1046-1052.
[15]  Coury D V,Thorp J S,Hopkinson K M,et al.An agent-based current differential relay for use with a utility intranet[J].IEEE Transactions on Power Delivery,2002,17(1):47-53.
[16]  徐慧明,毕天姝,黄少锋,等.基于广域同步测量系统的预防连锁跳闸控制策略[J].中国电机工程学报,2007,27(19):32-38. Xu Huiming,Bi Tianshu,Huang Shaofeng,et al.Study on wide area measurement system based control strategy to prevent cascading trips [J].Proceedings of the CSEE,2007,27(19):32-38(in Chinese).
[17]  高翔.数字化变电站应用技术[M].北京:中国电力出版社,2008:29-31.

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