Protection system for an electrical power network

Hill, Jason E (2011) Protection system for an electrical power network. H02H3/00.

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Abstract

The invention is a means of fault detection and location for dc networks. AC systems attempt to measure the inductance of the line; this is not possible in a dc system. Instead, in this invention, the inductance is estimated from the initial rate of discharge of the current from the dc bus capacitor on the converter feeding the dc network. This will reduce the duration that a fault will exist, reducing damage and improving safety, as well as improving discrimination so giving a more reliable system.

ORCID iDs

Fletcher, Steven D A ORCID: https://orcid.org/0000-0002-3510-9271

Norman, Patrick J ORCID: https://orcid.org/0000-0001-5577-1281

Galloway, Stuart J ORCID: https://orcid.org/0000-0003-1978-993X

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  Item type:	Patent
  ID code:	50006
  Dates:	Date Event 2 July 2011 Published
  Keywords:	DC protection, fault detection, protection system , electrical power network, Electrical engineering. Electronics Nuclear engineering, Electrical and Electronic Engineering
  Subjects:	Technology > Electrical engineering. Electronics Nuclear engineering
  Department:	Faculty of Engineering > Electronic and Electrical Engineering
  Depositing user:	Pure Administrator
  Date deposited:	24 Oct 2014 13:57
  Last modified:	23 Sep 2021 00:54
  Related URLs:	Related item Related item
  URI:	https://strathprints.strath.ac.uk/id/eprint/50006