A new approach to fault location in a single core underground cable system using combined fuzzy logic and wavelet analysis

J Moshtagh, R K Aggarwal

Research output: Contribution to conferencePaper

Abstract

Electric utilities often face the problem of finding the exact location of a fault in a distribution cable. These faults often occur at the worst possible time and cause the maximum amount of inconvenience to the utility's customers. Most fault location techniques in use today require the judgment of skilled operators, can also produce less than desired results for rapid fault location and thus may inflict additional damage to the cable. When a fault occurs in a cable, there are specific relationships between fault voltage, fault current, the resulting fault impedance and location. Thus, with regard to fuzzy logic which is an effective way to map an input space to an output space, it can be employed in fault location as an efficient, economic and adaptable method (compared with other artificial intelligence systems) by simply representing the aforementioned specific relationships as 'if-then' rules combined with a set of common-sense rules. This paper presents the results of investigations into a new fault location technique using advanced signal processing technique based on wavelet technology to extract useful information and this is then applied to fuzzy logic in order to identify and locate the disturbances in a distribution system comprising of single core underground cables, through pattern recognition.
Original languageEnglish
Pages228-231 Vol.1
Publication statusPublished - 2004
EventDevelopments in Power System Protection, 2004. Eighth IEE International Conference on -
Duration: 1 Jan 2004 → …

Conference

ConferenceDevelopments in Power System Protection, 2004. Eighth IEE International Conference on
Period1/01/04 → …

Keywords

  • wavelet transforms
  • fuzzy logic
  • underground distribution systems
  • fault impedance
  • distribution system
  • pattern recognition
  • fault location
  • single core underground cable system
  • signal processing technique
  • fault voltage
  • wavelet analysis
  • fault current

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  • Cite this

    Moshtagh, J., & Aggarwal, R. K. (2004). A new approach to fault location in a single core underground cable system using combined fuzzy logic and wavelet analysis. 228-231 Vol.1. Paper presented at Developments in Power System Protection, 2004. Eighth IEE International Conference on, .