Predicting arc faults in distribution switchgears

G. A. Hussain, M. Shafiq, M. Lehtonen

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

2 Citations (Scopus)

Abstract

Due to the wide dependency on electricity in our daily life, it is highly desired to have an uninterrupted and reliable supply of electricity for domestic, commercial, transportation, industrial and healthcare purposes. An arc fault occurring in switchgear causes long duration power interruption, damage to the equipment and hazard to personnel. Several arc protection systems have been introduced during last decade, mostly relying on reactive protection techniques. This paper introduces some unique methods detecting incipient faults leading to arc-flash in medium voltage (MV) and low voltage (LV) switchgear and motor controlgear. In MV switchgear, low power arcing and insulation degradation can be detected by differential electric field sensor (D-dot) and Rogowski coil (RC), and thermal degradation is detected by thermal ionization detector (TID) in LV switchgear. On-site testing is included in this paper to validate the laboratory test results.

Original languageEnglish
Title of host publicationProceedings of the 17th International Scientific Conference on Electric Power Engineering, EPE 2016
PublisherIEEE
Number of pages6
ISBN (Electronic)9781509009077, 978-1-5090-0908-4
ISBN (Print)978-1-5090-0909-1
DOIs
Publication statusPublished - 25 Jul 2016
MoE publication typeA4 Article in a conference publication
EventInternational Scientific Conference Electric Power Engineering - Prague, Czech Republic
Duration: 16 May 201618 May 2016
Conference number: 17

Conference

ConferenceInternational Scientific Conference Electric Power Engineering
Abbreviated titleEPE
CountryCzech Republic
CityPrague
Period16/05/201618/05/2016

Keywords

  • arc dischages
  • condition monitoring
  • low voltage
  • medium voltage
  • non-intrusive sensors
  • partial discharges
  • switchgear

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