Design and tests of prototype hybrid superconducting fault current limiter with fast switch

Jin Bae Na, Young Jae Kim, Jae Young Jang, Kang Sik Ryu, Young Jin Hwang, Sukjin Choi, Tae Kuk Ko

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

This paper deals with design and operating tests of prototype hybrid superconducting fault current limiter (SFCL) which is series connected non-inductive solenoid resistive coil and asymmetric non-inductively wound coils. The role of resistive SFCL is for reducing the fault current in the first swing. Moreover, resistive SFCL can reduce a load of dielectric strength in hybrid SFCL. Two kinds of high temperature superconductor (HTS) wires were used to fabricate asymmetric HTS coil. These HTS wires had different quench characteristics such as different critical current and n-value. Unbalanced current distribution between two HTS wires in the asymmetric HTS coil during the fault should occur. Thus, the asymmetric HTS coil generates impedance and repulsive force from magnetic flux. The finite element method was performed to calculate maximum repulsive force. From experimental tests and FEM simulation results, proper combination of HTS wires and configuration of asymmetric HTS coil with fast switch were determined to increase maximum repulsive force. Also, the prototype hybrid SFCL with fast switch was fabricated and performed.

Original languageEnglish
Article number6119205
JournalIEEE Transactions on Applied Superconductivity
Volume22
Issue number3
DOIs
Publication statusPublished - 2012 Jun 25

Fingerprint

Superconducting fault current limiters
High temperature superconductors
high temperature superconductors
switches
prototypes
Switches
coils
wire
Wire
Finite element method
Electric fault currents
Critical currents
Solenoids
Magnetic flux
current distribution
solenoids
magnetic flux
critical current
finite element method
impedance

All Science Journal Classification (ASJC) codes

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

Cite this

Na, Jin Bae ; Kim, Young Jae ; Jang, Jae Young ; Ryu, Kang Sik ; Hwang, Young Jin ; Choi, Sukjin ; Ko, Tae Kuk. / Design and tests of prototype hybrid superconducting fault current limiter with fast switch. In: IEEE Transactions on Applied Superconductivity. 2012 ; Vol. 22, No. 3.
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Design and tests of prototype hybrid superconducting fault current limiter with fast switch. / Na, Jin Bae; Kim, Young Jae; Jang, Jae Young; Ryu, Kang Sik; Hwang, Young Jin; Choi, Sukjin; Ko, Tae Kuk.

In: IEEE Transactions on Applied Superconductivity, Vol. 22, No. 3, 6119205, 25.06.2012.

Research output: Contribution to journalArticle

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