基于群灰色关联度分析方法的电力变压器绝缘故障诊断(英文)

被引:5
作者
董立新
肖登明
刘奕路
机构
[1] 上海交通大学电子信息与电气工程学院
[2] 弗吉尼亚理工学院计算机与电气工程系
关键词
溶解气体分析; 群灰色关联度; 故障诊断;
D O I
暂无
中图分类号
TM407 [维护、检修];
学科分类号
摘要
基于变压器油中溶解气体分析,提出了一种基于群灰色关联度分析的变压器绝缘故障诊断新方法.首先根据故障类型与灰色参考序列构造,选择变压器典型故障样本构造多组参考序列,这些参考序列组构成一个灰色参考序列群.其次根据给出的新的关联系数计算方法,计算个体关联系数和关联度.然后根据给出的群灰色关联度计算方法,计算群灰色关联度和构造群灰色关联度矩阵.最后根据关联序识别变压器绝缘故障诊断.通过大量变压器绝缘故障诊断实例分析,所提方法诊断准确性与可靠性优于三比值法和传统的灰色关联分析方法,具有较好的分类诊断能力和可靠性.
引用
收藏
页码:175 / 179
页数:5
相关论文
共 10 条
  • [1] The grey fault diagnosis of transformer. Li Tianyun,Y ingHong,Zhang Yuhui. Automation ofElectric Power System s . 1996
  • [2] Thebasicmethodofgreysystem. DengJulong. . 1987
  • [3] Thebasicofgreytheory. DengJulong. . 2002
  • [4] Study on the fault diagnosis of transformer based on the grey relational analysis. Song B in,Yu P ing,Luo Yunbai,et al. Power System Technology . 2002
  • [5] Fault diagnosis of power transformer based on model-diagnosiswith grey relation. DongM,Yan Z,TaniguchiY. In: Proceedings of the 7 th InternationalConference on Properties and Applications ofDielectricMaterials . 2003
  • [6] An expert system for transformer fault diagnosis using dissolved gas analysis. Lin C E,Ling JM,Huang C L. IEEE Transactions on PowerDelivery . 1993
  • [7] DGA based insulation diagnosis of power transformer via ANN. Tu Yanm ing,Q ian Zheng. In: Proceedings of the 6 th International Conference on Properties and Applications ofDielectricMaterials . 2000
  • [8] Fault diagnosis of power transformers: application of fuzzy set theory, expert systems and artificial neural networks. XuW,W ang D,Zhou Z,et al. Science, M easurem ent and Technology, IEE Proceedings . 1997
  • [9] W avelet ANN based transformer fault diagnosis using gas-in-oil analysis. LiHonglei,X iao Dengm ing,Chen Yazhu. In: Proceedings of the 6 th International Conference on Properties and Applications ofDielectricMaterials . 2000
  • [10] A model and method of degree of grey incidence analysis on transformer fault diagnosis. ZhengHaiping,Sun Caixin,Li Jian,et al. Proceedings of the Conference on Software Engineering Education . 2001