Ground Fault Protection in Frequency-Selective Grounded Systems Fed by a Single Transformer

S. Saleh, D. Jewett, J. Meng, M. Valdes, E. Ozkop, A. Yuksel, A. Al-Durra, S. Panetta

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Scopus citations

Abstract

This paper presents experimental results for performance tests of ground fault protection schemes applied to a frequency-selective grounded system supplied by a single transformer. Frequency selective grounding systems are designed to present low ground impedance (similar to solid grounding) to high frequency zero-sequence current components and impedance like that of a low-impedance grounded system to fundamental zero-sequence components. The variable impedance of the grounding scheme can impact the response of ground fault protection in terms of accuracy and timing. The laboratory setup includes a single 35kVa 3-phase source transformer with a 340/208-volt secondary voltage. Experimental results detailed in this paper demonstrate the response that may be expected of various types of GFP schemes under fault and non-fault events and conditions.

Original languageBritish English
Title of host publication2022 IEEE Industry Applications Society Annual Meeting, IAS 2022
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781665478151
DOIs
StatePublished - 2022
Event2022 IEEE Industry Applications Society Annual Meeting, IAS 2022 - Detroit, United States
Duration: 9 Oct 202214 Oct 2022

Publication series

NameConference Record - IAS Annual Meeting (IEEE Industry Applications Society)
Volume2022-October
ISSN (Print)0197-2618

Conference

Conference2022 IEEE Industry Applications Society Annual Meeting, IAS 2022
Country/TerritoryUnited States
CityDetroit
Period9/10/2214/10/22

Keywords

  • Frequency-selective grounding
  • ground fault protection
  • power system faults
  • power transformers

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