Journal of Electrical Engineering and Technology

The Korean Institute of Electrical Engineers (대한전기학회)
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Operational Characteristics of a Flux-Lock Type SFCL Integrated with Voltage-Controlled Voltage Source Inverter

  • Lee, Su-Won (Center for Advanced IT HRD with Close Industry Coopeeration, Sungkyunkwan University) ;
  • Lim, Sung-Hun (Department of Electrical Engineering, Soongsil University) ;
  • Ko, Sung-Hun (Advanced Graduated Education Center of Jeonbuk for Electronics & Information Tech., Chonbuk National University) ;
  • Lee, Seong-Ryong (School of Electrical and Information Engineering, Kunsan National University)
  • Published : 2008.12.01
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Abstract

In this paper, a flux-lock type superconducting fault current limiter(SFCL) integrated with a voltage-controlled voltage source inverter(VC-VSI) is proposed. The suggested equipment, which consists of a flux-lock type SFCL and a VCVSI, can perform the fault current limiting operation from the occurrence of a short-circuit. In addition, it can compensate the reactive power that the non-linear load requires and also perform the uninterruptible power supply(UPS) as well as the load voltage stabilization by controlling the amplitude and the phase of the inverter's output voltage. The specification for a test model was determined and its various functions such as the fault current limiting and the power conditioning operations were presented and analyzed via computer simulation. Through the analytical results based on the computer simulation, the validity of the analysis was confirmed and its multi-operation was discussed.

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References

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