全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
电网技术  2014 

基于复合相量平面的自适应过负荷识别方法

DOI: 10.13335/j.1000-3673.pst.2014.04.042, PP. 1095-1102

Keywords: 过负荷识别,自适应整定系数,距离保护,虚拟电压降落

Full-Text   Cite this paper   Add to My Lib

Abstract:

针对本地距离保护III段易受事故过负荷影响导致误动的问题,提出了一种基于复合相量平面的自适应过负荷识别方法。首先根据不同运行工况下量测相量的几何分布特性,建立虚拟电压降落方程,并据此求解自适应整定系数的计算公式,构造距离保护III段自适应过负荷识别判据,然后,将该判据与传统距离保护III段的动作特性相结合,以识别过负荷与对称故障。IEEE10机39节点系统仿真结果验证了该方法一方面可避免由于过负荷引发的距离保护III段误动情况的发生,另一方面,在过负荷又出现对称故障情况下,仍能有效发挥后备保护的作用。

References

[1]  薛禹胜.综合防御由偶然故障演化为电力灾难:北美“8•14”大停电的警示[J].电力系统自动化,2003,27(18):l-5.Xue Yusheng.The way form a simple contingency to system-wide disaster:lessons from the eastern interconnection blackout in 2003[J].Automation of Electric Power Systems,2003,27(18):1-5(in Chinese).
[2]  葛睿,董昱,吕跃春.欧洲“11.4”大停电事故分析及对我国电网运行工作的启示[J].电网技术,2007,31(3):1-6.Ge Rui,Dong Yu,Lü Yuechun.Analysis of large-scale blackout in UCTE power grid and lessons to be drawn to power grid operation in China[J].Power System Technology,2007,31(3):1-6(in Chinese).
[3]  徐慧明,毕天姝,黄少锋,等.基于潮流转移因子的广域后备保护方案[J].电网技术,2006,30(15):65-71.Xu Huiming,Bi Tianshu,Huang Shaofeng,et al.A wide area backup protection scheme based on flow transferring relativity factor[J].Power System Technology,2006,30(15):65-71(in Chinese).
[4]  任建文,李莎,严敏敏,等.基于潮流跟踪算法的线路过负荷紧急控制策略[J].电网技术,2013,37(2):392-397.Ren Jianwen,Li Sha,Yan Minmin,et al.Emergency control strategy for line overload based on power flow tracing algorithm[J].Power System Technology,2013,37(2):392-397(in Chinese).
[5]  徐慧明,毕天姝,黄少锋,等.基于WAMS的潮流转移识别算法[J].电力系统自动化,2006,30(14):14-19.Xu Huiming,Bi Tianshu,Huang Shaofeng,et al.WAMS based flow transfer identification algorithm[J].Automation of Electric Power Systems,2006,30(14):14-19(in Chinese).
[6]  Tan J C,Crossley P A,Kirschen D,et al.An expert system for the back-up protection of a transmission network[J].IEEE Trans on Power Delivery,2000,15 (2):508-514.
[7]  丛伟,潘贞存,赵建国.基于纵联比较原理的广域继电保护算法研究[J].中国电机工程学报,2006,26 (21):8-14.Cong Wei,Pan Zhencun,Zhao Jianguo.A wide area relaying protection algorithm based on longitudinal comparison principle[J].Proceedings of the CSEE,2006,26(21):8-14(in Chinese).
[8]  李莎,任建文.基于有功增加因子的潮流转移快速搜索[J].电网技术,2012,36(12):176-181.Li Sha,Ren Jianwen.Fast search of power flow transfers based on active power increase factor [J].Power System Technology,2012,36(12):176-181(in Chinese).
[9]  徐岩,吕彬,林旭涛.潮流转移识别方法的研究与分析[J].电网技术,2013,37(2):411-416.Xu Yan,Lü Bin,Lin Xutao.Study and analysis on identification method of power flow transferring[J].Power System Technology,2013,37(2):411-416(in Chinese).
[10]  杨文辉,毕天姝,薛安成,等.基于图论的潮流转移路径的快速搜索[J].电网技术,2012,36(4):84-88.Yang Wenhui,Bi Tianshu,Xue Ancheng,et al.An approach for quickly searching power transferring paths based on graph theory [J].Power System Technology,2012,36(4):84-88(in Chinese).
[11]  林湘宁,夏文龙,熊玮,等.不受潮流转移影响的距离后备保护动作特性自适应调节研究[J].中国电机工程学报,2011,31(S1):83-87.Lin Xiangning,Xia Wenlong,Xiong Wei,et al.Study of adaptive adjustment of operation characteristics of distance backup protection immune to the impact of power flow transferring [J].Proceedings of the CSEE,2011,31(S1):83-87(in Chinese).
[12]  董新洲,丁磊,刘琨,等.基于本地信息的系统保护[J].中国电机工程学报,2010,30(22):7-13.Dong Xinzhou,Ding Lei,Liu Kun,et al.System protection based on local information[J].Proceedings of the CSEE,2010,30(22):7-13(in Chinese).
[13]  柳焕章,周泽昕.线路距离保护应对事故过负荷的策略[J].中国电机工程学报,2011,31(25):112-117.Liu Huanzhang,Zhou Zexin.Post-fault over-load maloperation countermeasure of transmission line distance protection [J].Proceedings of the CSEE,2011,31(25):112-117(in Chinese).
[14]  Yang W H,Bi T S,Huang S F,et al.A methodology for vulnerability assessment of backup protection under cascading failures [C]//the Fifth International CRIS conference on Critical Infrastructures.Beijing,China,2010:1-5.
[15]  杨文辉,毕天姝,薛安成,等.潮流转移区域后备保护动作特性自适应调整策略[J].电力系统及其自动化,2011,35(18):1-6.Yang Wenhui,Bi Tianshu,Xue Ancheng,et al.Adaptive strategy for backup protections within power transferring area against cascading trips[J].Automation of Electric Power Systems,2011,35(18):1-6(in Chinese).
[16]  Tang J,Mclaren P G.A wide area differential backup protection scheme for shipboard application [J].IEEE Trans on Power Delivery, 2006,21 (3):1183-1190.
[17]  许庆强,索南加乐,柳焕章,等.基于相间故障弧光电压特征的高压线路选相元件[J].电力系统自动化,2006,30(4):65-70,104.Xu Qingqiang,Suonan Jiale,Liu Huanzhang,et al.Fault phase selector for HV transmission line protective relaying based on the characteristic of the arc voltage between two faulted phases [J].Automation of Electric Power Systems,2006,30(4):65-70,104 (in Chinese).
[18]  柳焕章,李银红.大电流接地系统线路高阻接地距离继电器[J].中国电机工程学报,2010,30(34):93-98.Liu Huanzhang,Li Yinhong.High resistance grounded distance relay in solidly earthed system[J].Proceedings of the CSEE,2010,30(34):93-98(in Chinese).
[19]  朱声石.高压电网继电保护原理与技术[M].北京:中国电力出版社,2005:135-141.
[20]  张保会,尹项根.电力系统继电保护[M].北京:中国电力出版社,2005:74-83.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133