A study on wind-turbine generator system sizing considering overcurrent relay coordination with SFCL

Hee Jin Lee, Gumtae Son, Jung Wook Park

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

This paper analyses the effect of a superconducting fault current limiter (SFCL) on the optimal sizing of a wind-turbine generator system (WTGS), which is a representative renewable energy source. When the WTGS is connected to a radial distribution system, the level of fault current during a contingency is increased. This increased fault current can reduce the coordination time intervals (CTIs) between multiple overcurrent relays, which are an important factor in determining the optimal size of the WTGS. Moreover, the maximum capacity of WTGS is also restricted by the associated fault current level and CTIs in a power system. However, the SFCL can limit the fault current in the WTGS, and thus restore the original relay coordination. Consequently, this provides a chance to increase the maximum capacity of the WTGS. A case study is carried out to verify that the SFCL can be applied to determine the optimal WTGS size under the tightly constrained conditions resulting from the required protective relay coordination.

Original languageEnglish
Article number5672557
Pages (from-to)2140-2143
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Volume21
Issue number3 PART 2
DOIs
Publication statusPublished - 2011 Jun 1

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Superconducting fault current limiters
wind turbines
sizing
Turbogenerators
relay
Wind turbines
generators
Electric fault currents
Electric insulation coordination
contingency
intervals
Relay protection
renewable energy
energy sources
radial distribution

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

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A study on wind-turbine generator system sizing considering overcurrent relay coordination with SFCL. / Lee, Hee Jin; Son, Gumtae; Park, Jung Wook.

In: IEEE Transactions on Applied Superconductivity, Vol. 21, No. 3 PART 2, 5672557, 01.06.2011, p. 2140-2143.

Research output: Contribution to journalArticle

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