Mitigation strategies to improve the performance of AC contactor against voltage dips

L.E. Weldemariam, H.J. Gärtner, V. Cuk (Supervisor), J.F.G. Cobben (Supervisor)

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

1 Citation (Scopus)

Abstract

The performance of a process against voltage dips depends on the severity of voltage dips and the robustness of process equipment to voltage dips. This paper discusses about the performance of an AC contactor, one of the voltage sensitive equipment, against various types of voltage dips without and with mitigation techniques. First, lab tests are conducted to find the voltage-tolerance curves of the contactor without mitigation. Then, the tests are repeated with the AC-coil mitigated by Coil-Lock and phase-phase supply; and the tolerance curves of the device without and with mitigation are compared. To get better insight into the performance of the contactor, the severity of various types of voltage dips obtained from field measurements are compared with the voltage-tolerance curves of the contactor in both situations.
Original languageEnglish
Title of host publication51st International Universities' Power Engineering Conference (UPEC), 6-9 September 2016, Coimbra, Portugal
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Pages1-6
Number of pages6
ISBN (Electronic)978-1-5090-4650-8
DOIs
Publication statusPublished - 2 Jul 2016
Event51th International Universities’ Power Engineering Conference (UPEC 2016) - Coimbra, Portugal
Duration: 6 Sep 20169 Sep 2016
Conference number: 51
http://www.upec2016.com/

Conference

Conference51th International Universities’ Power Engineering Conference (UPEC 2016)
Abbreviated titleUPEC 2016
CountryPortugal
CityCoimbra
Period6/09/169/09/16
Internet address

Keywords

  • AC contactor
  • immunity
  • mitigation
  • voltage dip
  • voltage-tolerance curve

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