The response characteristics of cowound voltage sensors in cable-in-conduit conductor

Yong Chu, Ho Min Kim, Tae Kuk Ko, Kee Man Kim

Research output: Contribution to journalArticle

Abstract

When a superconducting magnet is exposed to time-varying, non-symmetrical transverse and parallel fields, the balanced bridge for quench detection is ineffective. To make quench detection possible, the inductive voltage must be reduced, or canceled, to a level less than the resistive voltage due to quench. The internal cowound voltage sensors in the cable cross-section as the primary mechanism to cancel the inductive noise are analyzed and tested in this research. The signal to noise ratio under a variety of conditions with different sensor locations, field sweeping rates and quenched lengths are improved to a factor of 1000 or more by using cowound voltage sensors.

Original languageEnglish
Pages (from-to)1157-1160
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Volume9
Issue number2 PART 1
DOIs
Publication statusPublished - 1999

All Science Journal Classification (ASJC) codes

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

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