Power quality improving operations of a flux-lock type SFCL integrated with voltage or current controlled-voltage source inverter

Sung Hun Lim, Su Won Lee, Young Hyun Moon, Jae Chul Kim, Tae Kuk Ko

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

In this paper, the flux-lock type superconducting fault current limiter (SFCL) integrated with a voltage source inverter (VSI) controlled with its output voltage or current is proposed and its operations for power quality improvement are investigated. The suggested equipment, which consists of a flux-lock type SFCL and a VSI, can limit the fault current in case that a short-circuit happens by the operation of the flux-lock type SFCL. In addition, it can compensate the reactive power and complement the active power that the non-linear load requires by controlling VSPs output voltage or current and thus, perform the power conditioning operation, the demand side management (DSM) and the uninterruptible power supply (UPS). The specification for the suggested model was determined and its various functions such as the fault current limiting and the power quality improving operations were presented and analysed through the computer simulation. The validity of the analysis was confirmed from the analytical results based on the computer simulation and, the advantage and the limitation of the voltage control and the current control for the VSPs power quality improving operations were discussed.

Original languageEnglish
Article number4510704
Pages (from-to)644-647
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Volume18
Issue number2
DOIs
Publication statusPublished - 2008 Jun 1

Fingerprint

Superconducting fault current limiters
Power quality
Fluxes
Electric fault currents
Electric potential
electric potential
Uninterruptible power systems
Computer simulation
Electric current control
Reactive power
Short circuit currents
Voltage control
computerized simulation
power conditioning
Specifications
output
short circuits
power supplies
complement
specifications

All Science Journal Classification (ASJC) codes

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

Cite this

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Power quality improving operations of a flux-lock type SFCL integrated with voltage or current controlled-voltage source inverter. / Lim, Sung Hun; Lee, Su Won; Moon, Young Hyun; Kim, Jae Chul; Ko, Tae Kuk.

In: IEEE Transactions on Applied Superconductivity, Vol. 18, No. 2, 4510704, 01.06.2008, p. 644-647.

Research output: Contribution to journalArticle

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