Circulating Net Currents in Meshed Bipolar DC Distribution Grids due to Asymmetrical Line Resistance

Elisabeth Vandeventer, Laurens Mackay, Laura Ramirez Elizondo, Pavol Bauer

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

1 Citation (Scopus)

Abstract

This article describes the circulating current phenomenon that takes place in bipolar, meshed DC distribution grids. A difference in resistance between the conductor changes the distribution of the current on the conductors. This provokes a net current to flow, which is in turn measured by the residual current protection scheme, used to detect and isolate ground faults in the system, even though there is no fault in the system. Due to the circulating tendency of this net current, the operation of the protection scheme can be prevented in such a case by the addition of a clever communication system.

Original languageEnglish
Title of host publication2016 1st International Conference on Sustainable Green Buildings and Communities, SGBC 2016
Place of PublicationPiscataway, NJ
PublisherIEEE
Pages1-6
Number of pages6
ISBN (Electronic)978-1-5090-3498-7
DOIs
Publication statusPublished - 2017
EventSGBC 2016 : First International Conference on Sustainable Green Buildings and Communities - Chennai, India
Duration: 18 Dec 201620 Dec 2016
Conference number: 1

Conference

ConferenceSGBC 2016
Abbreviated titleSGBC
CountryIndia
CityChennai
Period18/12/1620/12/16

Keywords

  • bipolar
  • circulating net current
  • DC distribution grid
  • ground fault
  • Meshed
  • protection

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