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Performance Assessment of a New FFT Based High Impedance Fault Detection Scheme

In: Integral Methods in Science and Engineering, Volume 2

Author

Listed:
  • A. Soheili

    (Ferdowsi University of Mashhad, Faculty of Engineering, Department of Electrical Engineering)

  • J. Sadeh

    (Ferdowsi University of Mashhad, Faculty of Engineering, Department of Electrical Engineering)

Abstract

High Impedance Faults (HIFs) are commonly known for their unpredictable, nonlinear, and unstable nature, due to the presence of electric arcs. Considering the low current amplitude of these faults, reliable detection and discrimination from typical power system events have proven to be troublesome. Conventional over-current relaying techniques are insensitive to the similar behavior of these faults and single phase loads. Extraction of harmonic patterns from FFT spectrum as HIF signature, along with joint execution of abnormal condition detection, has led to the design of a new FFT based scheme. In this paper, an in-depth performance evaluation has been executed to verify its functionality. Simplicity, low computational burden and high accuracy in successful fault and switching event detection are some of its virtues. Simulation of an IEEE standard distribution system and performance evaluations in regard to conventional methods have provided proof to this claim.

Suggested Citation

  • A. Soheili & J. Sadeh, 2017. "Performance Assessment of a New FFT Based High Impedance Fault Detection Scheme," Springer Books, in: Christian Constanda & Matteo Dalla Riva & Pier Domenico Lamberti & Paolo Musolino (ed.), Integral Methods in Science and Engineering, Volume 2, chapter 0, pages 245-254, Springer.
    • Handle: RePEc:spr:sprchp:978-3-319-59387-6_24
    DOI: 10.1007/978-3-319-59387-6_24
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