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Central or Local Compensation of Earth-Fault Currents in Non-Effectively Earthed Distribution Systems

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Author

Summary, in English

Centralized Petersen coil earthing in networks with

extensive use of underground cable involves flow of large

quantities of reactive earth fault current. In networks with long

radial cable feeders this creates problems involving active losses

and active and reactive earth fault current. One possible solution

to the problem is the use of local compensation. This paper aims

at understanding the limitations of traditionally compensated

networks and compares these to networks that are locally

compensated. This is done through analytical calculations and

PSCAD simulations that are combined with results from a

project studying cables in Swedish distribution networks. In

addition, basic PSCAD simulations are used to clarify how the

rating and placing of the distributed compensation units affects

active earth fault current and investment costs

Publishing year

2007

Language

English

Pages

1129-1134

Publication/Series

2007 IEEE LAUSANNE POWERTECH, VOLS 1-5

Document type

Conference paper

Publisher

IEEE - Institute of Electrical and Electronics Engineers Inc.

Topic

  • Other Electrical Engineering, Electronic Engineering, Information Engineering

Keywords

  • Inductor compensateddistribution lines
  • Fault current
  • Power cables
  • Power transformers
  • Power distribution planning

Conference name

Power Tech 2007

Conference date

2007-07-01 - 2007-07-05

Conference place

Lausanne, Switzerland

Status

Published

ISBN/ISSN/Other

  • ISBN: 978-1-4244-2189-3