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...

基于电网络理论的变电站接地网腐蚀及断点诊断方法

, PP. 270-276

Keywords: 接地网,特勒根定理,优化技术,故障诊断

Full-Text   Cite this paper   Add to My Lib

Abstract:

变电站接地网埋设在地下,因土壤的长期作用而造成腐蚀,导致其接地性能变坏,威胁着电力系统的安全稳定运行。本文将变电站接地网近似等效成纯电阻网络,根据接地网的拓扑结构和接地引线间电压的测量数据,推导端口电阻值,建立基于特勒根定理的接地网故障诊断方程,借助优化方法求解该诊断方程得到接地网各支路电阻的变化值,进而判断接地网的腐蚀程度,找到故障所在位置。通过仿真计算和模拟接地网的故障诊断实验,验证了本文接地网故障诊断方法的有效性和实用性。

References

[1]  张晓玲, 黄清泉. 电力系统接地网故障诊断[J]. 电力系统及其自动化学报, 2002, 1(3): 49-51.
[2]  Zhang Xiaoling, Huang Qingquan. Fault diagnosis of grounding grid of electric power plants and substations[J]. Electric Power System and Its Automation Journal, 2002, 1(3): 49-51.
[3]  刘洋, 崔翔, 赵志斌, 等. 变电站接地网腐蚀诊断磁场检测系统的设计与应用[J]. 电工技术学报, 2009, 24(l): 176-182.
[4]  Liu Jian, Wang Shuqi, Li Zhizhong. Testability of grounding grids corrosion diagnosis[J]. High Voltage Engineering, 2008, 34(1): 64-69.
[5]  刘健, 王树奇. 基于分层约简模型的接地网故障诊断软件设计[J]. 计算机工程与应用, 2008, 44(25): 51-55.
[6]  Xiao Xinhua, Liu Hua. Analysis of theory and method about the corrosion as well as the broken point of the grounding grid[J]. Journal of Chongqing University, 2001, 24(3): 72-75.
[7]  Xu Huizhong. The research of the grounding grid diagnosis[J]. Journal of Nanjing Institute of Industry Technology, 2007, 7(4): 18-20.
[8]  Qiu Qirong, Wang Shurong.Preconditioned land weber iteration algorithm for grounding grid fault diagnosis[C]. Proceedings of the 8th International Conference on Machine Learning and Cybernetics, Baoding, 2009.
[9]  Zhang Bo, Cui Xiang, Li Lin. Diagnosis of breaks in substation’s grounding grid by using the Electrom- agnetic method[J]. IEEE Transactions on Magnetic, 2002, 38(2): 473-476.
[10]  赵志斌, 崔翔, 李琳.复杂土壤结构中接地网接地性能分析[J].华北电力大学学报, 2006, 3(4): 33-36.
[11]  Zhao Zhibin, Cui Xiang, Li Lin. Analysis of grounding grids buried in complex soil[J]. Journal of North China Electric Power University, 2006, 3(4): 33-36.
[12]  刘渝根, 滕永禧, 陈先禄. 接地网腐蚀的诊断方法研究[J]. 高电压技术, 2004, 30(4): 19-22.
[13]  Liu Yugen, Teng Yongxi, Chen Xianlu. A method for corrosion diagnosis of grounding grid[J]. High Voltage Engineering, 2004, 30(4): 19-22.
[14]  刘洋, 崔翔, 赵志斌, 等. 基于电磁感应原理的变电站接地网腐蚀诊断方法[J]. 中国电机工程学报, 2009, 29(4): 97-103.
[15]  Liu Yang, Cui Xiang, Zhao Zhibin, et al. Method of corrosion diagnosis of substations’ grounding grids based on electromagnetic induction theory[J]. Proceedings of the CSEE, 2009, 29(4): 97-103.
[16]  张晓玲, 陈先禄. 优化技术在发变电所接地网故障诊断中的应用[J]. 高电压技术, 2000, 26(4): 64-67.
[17]  Zhang Xiaoling, Chen Xianlu. The technique of the optimization applied in the grounding grid’s failure diagnosis of the power plant and substation[J]. High Voltage Engineering, 2000, 26(4):64-67.
[18]  Liu Yang, Cui Xiang, Zhao Zhibin, et al. Design and application of testing mgnetic field system for corrosion diagnosis of grounding grids in substation [J]. Transactions of China Electrotechnical Society, 2009, 24(l): 176-182.
[19]  何智强, 文习山. 一种地网腐蚀故障诊断的新算法[J]. 高电压技术, 2007, 33(4): 83-86.
[20]  He Zhiqiang, Wen Xishan. Novel algorithm for fault diagnosis of grounding grid[J]. High Voltage Engineering, 2007, 33(4): 83-86.
[21]  刘健, 王树奇, 李志忠. 接地网腐蚀故障诊断的可测性研究[J]. 高电压技术, 2008, 34(1): 64-69.
[22]  Liu Jian, Wang Shuqi. Software design of grounding grid corrosion diagnosis based on hierarchical simplification of network topology[J]. Computer Engineering and Applications, 2008, 44(25): 51-55.
[23]  肖新华, 刘华. 接地网腐蚀和断点的诊断理论分析[J]. 重庆大学学报, 2001, 24(3): 72-75.
[24]  褚洪生, 杜增吉. MATLAB优化设计实例指导教程[M]. 北京: 机械工业出版社, 2006.
[25]  吴祈宗, 郑志勇. 运筹学与最优化MATLAB编程[M]. 北京: 机械工业出版社, 2009.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133