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Correlation between load current mode and electrical contact resistance of a closed pair of contacts

  • Chuwan Xiao
  • , Teng Wang
  • , Dazhao Yu
  • , Ming Li
  • , Sihuan Wang
  • , Wanbin Ren
  • Naval Aviation University
  • China Aero-Polytechnology Establishment

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

Abstract

The electrical contact resistance of closed contact pair is dependent on contact material physical characteristics, contact type (sphere-flat or flat-flat), contact surface status (clean or contaminated), but also contact current and mechanical load during measuring. The relationships between contact resistance and load current and load force with the use of DC mode and non-constant current mode measurement method are compared in this paper. The variations in thermoelectric voltage of contact pairs as a function of time with constant force load are presented.

Original languageEnglish
Title of host publicationProceedings of the 7th International Conference on Reliability of Electrical Products and Electrical Contacts, ICREPEC 2019
EditorsJingqin Wang, Jingying Zhao
PublisherInternational Academic Publishers
Pages306-311
Number of pages6
ISBN (Electronic)9789881532343
StatePublished - 2019
Event7th International Conference on Reliability of Electrical Products and Electrical Contacts, ICREPEC 2019 - Suzhou, China
Duration: 4 Nov 20196 Nov 2019

Publication series

NameProceedings of the 7th International Conference on Reliability of Electrical Products and Electrical Contacts, ICREPEC 2019

Conference

Conference7th International Conference on Reliability of Electrical Products and Electrical Contacts, ICREPEC 2019
Country/TerritoryChina
CitySuzhou
Period4/11/196/11/19

Keywords

  • Contact resistance
  • Delta mode
  • Load current
  • Measurement
  • Thermoelectric voltage

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