Charging problems in EV paradise

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CIRED 2019 - 1554.pdf (397.66 KB)

Paper number

1554

Working Group Number

Conference name

CIRED 2019

Conference date

3-6 June 2019

Conference location

Madrid, Spain

Peer-reviewed

Yes

Short title

Convener

Authors

Kirkeby, Henrik, PQA AS, Norway
Bøe, Vegard, Elbilforeningen, Norway
Hartvigsen, Kjetil, Hafslund Nett AS, Norway
Sagen, Ketil, Energi Norge AS, Norway

Abstract

Many Norwegian electric vehicle owners have had charging problems. Examination of reported issues and case studies has shown that a significant amount of problems is caused to ground faults in the Norwegian IT-networks. This is possibly due to implementation of the ground monitor interrupter (GMI), which falsely identifies some ground faults as dangerous network conditions. Changing the network phase to earth impedance is shown to affect the function of the GMI, explaining why some problems disappear when a power quality analyser is plugged in to troubleshoot the problems.

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Keywords

Publisher

AIM

Date

2019-06-03

Published in

CIRED 2019 Conference

Permanent link to this record

https://cired-repository.org/handle/20.500.12455/454
http://dx.doi.org/10.34890/684

ISSN

2032-9644

ISBN

978-2-9602415-0-1