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Fault Detection and Clearance in DC Distributed Power Systems

Karlsson, Per LU and Svensson, Jörgen LU (2002) NORPIE 2002 Conference In Norpie 2002 Conference Proceedings
Abstract
This paper treats fault detection in DC distributed power systems, with emphasis on ground faults. The difficulty of detecting ground faults arises from the fact that the AC sources and loads are ungrounded or have heavy impedance to ground, on the converter side, to effectively block zero sequence currents otherwise flowing between the AC systems. A grounding scheme for the DC distribution system together with algorithms for detection of ground faults is presented. The proposed method detects ground faults on both the AC and DC sides and is extended to cover also short circuit faults with a minor work effort, which is also discussed.
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Chapter in Book/Report/Conference proceeding
publication status
published
subject
keywords
DC power distribution, grounding, power system protection, fault currents
in
Norpie 2002 Conference Proceedings
pages
6 pages
publisher
EPE Association
conference name
NORPIE 2002 Conference
language
English
LU publication?
yes
id
2850822b-66e6-4769-aefb-917cf427f666 (old id 698382)
alternative location
http://www.epe-association.org/epe/documents.detail.php?documents_id=8375
date added to LUP
2007-12-05 14:23:27
date last changed
2016-04-16 08:21:08
@misc{2850822b-66e6-4769-aefb-917cf427f666,
  abstract     = {This paper treats fault detection in DC distributed power systems, with emphasis on ground faults. The difficulty of detecting ground faults arises from the fact that the AC sources and loads are ungrounded or have heavy impedance to ground, on the converter side, to effectively block zero sequence currents otherwise flowing between the AC systems. A grounding scheme for the DC distribution system together with algorithms for detection of ground faults is presented. The proposed method detects ground faults on both the AC and DC sides and is extended to cover also short circuit faults with a minor work effort, which is also discussed.},
  author       = {Karlsson, Per and Svensson, Jörgen},
  keyword      = {DC power distribution,grounding,power system protection,fault currents},
  language     = {eng},
  pages        = {6},
  publisher    = {ARRAY(0xb4d9660)},
  series       = {Norpie 2002 Conference Proceedings},
  title        = {Fault Detection and Clearance in DC Distributed Power Systems},
  year         = {2002},
}