东北大学学报:自然科学版 ›› 2014, Vol. 35 ›› Issue (9): 1221-1224.DOI: 10.12068/j.issn.1005-3026.2014.09.002

• 信息与控制 • 上一篇    下一篇

基于多源信息的智能电网动态层次化故障诊断

刘鑫蕊1,徐国俊2,叶金凤1,张婧1   

  1. (1 东北大学 信息科学与工程学院, 辽宁 沈阳110819; 2 丹东供电公司, 辽宁 丹东118000)
  • 收稿日期:2013-08-15 修回日期:2013-08-15 出版日期:2014-09-15 发布日期:2014-04-11
  • 通讯作者: 刘鑫蕊
  • 作者简介:刘鑫蕊(1981-),女,辽宁沈阳人,东北大学讲师,博士.
  • 基金资助:
    国家自然科学基金资助项目(61203026);中央高校基本科研业务费专项资金资助项目(N110304004,N110404031).

Dynamic Hierarchical Fault Diagnosis of Intelligent Power Network Based on the Multisource Information

LIU Xinrui1, XU Guojun2, YE Jinfeng1, ZHANG Jing1   

  1. 1 School of Information Science & Engineering, Northeastern University, Shenyang 110819, China; 2 Dandong Power Company, Dandong 118000, China.
  • Received:2013-08-15 Revised:2013-08-15 Online:2014-09-15 Published:2014-04-11
  • Contact: LIU Xinrui
  • About author:-
  • Supported by:
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摘要: 针对智能电网结构日趋复杂、系统信息呈多元化发展的特点,提出了一种新颖的故障诊断方法,包括用于快速诊断简单故障的开关层,着力解决开关和保护异动情况下复杂故障的馈线层,以及准确判断复杂系统环境下多类型故障的变电站层;同时采用动态跳转策略,调整诊断入口和结构.并且,将改进的深度优先搜索算法、Petri网推理与直觉不确定粗糙集约简方法分别应用于各层诊断中.仿真算例表明,本方法增强了各层诊断的适应性,提高了故障诊断的效率与精度,且能准确诊断多类型复杂故障,具有良好的实践应用价值.

关键词: 故障诊断, 多源信息, 层次化, Petri网, 直觉不确定粗糙集

Abstract: Considering the complicated structure and the diversified information system of intelligent power network, a novel method for fault diagnosis was proposed. In the proposed method there were three parts including switch layer used for the simple fault diagnosis, feeder layer strived to resolve complex fault in the case of abnormal switch and protection information, and substation layer used to judge multitype fault in the complex system. Simultaneously, dynamic diagnosis strategy was adopted to adjust diagnostic entrance and structure longitudinally. And the improved depthfirst searching algorithm, Petri net reasoning and intuitionistic uncertaintyrough sets theory were applied to each layer respectively in the diagnosis. The simulation results showed that the adaptability of each layer diagnosis is enhanced, and the efficiency and accuracy of fault diagnosis are improved.In addition, kinds of complex fault can be accurately diagnosed with good practical application value.

Key words: fault diagnosis, multisource information, multilayer, Petri net, intuitionistic uncertaintyrough sets

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