Nondestructive Measurement of Critical Current Distribution of SmBCO Coated Conductor Using Hall Probe

The Hall probe measurement system was used to measure the critical current distribution of superconducting coated conductor. The system consists of reel to reel moving apparatus, 7 array Hall probe, a rotary encoder and permanent magnet. The magnetic field profile across the width of superconducting...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity 2010-06, Vol.20 (3), p.1537-1540
Main Authors: KIM, Ho-Sup, OH, Sang-Soo, PARK, Chan, LEE, Nam-Jin, BAIK, Seung-Kyu, HA, Dong-Woo, KO, Rock-Kil, HA, Hong-Soo, KIM, Tae-Hyung, YOUM, Do-Jun, MOON, Seung-Hyun
Format: Article
Language:English
Subjects:
Applied sciences
Bean model
Conductors
Conductors (devices)
Critical current
Critical current (superconductivity)
Current measurement
Electric connection. Cables. Wiring
Electrical engineering. Electrical power engineering
Electromagnets
Electronics
Encoders
Exact sciences and technology
Hall effect devices
Hall probe
Hall probes
Magnetic field measurement
Magnetic fields
Mathematical models
non destructive measurement
Permanent magnets
Reels
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Shape measurement
Size measurement
Superconducting devices
Superconducting magnets
superconducting tape
Superconductivity
Surface emitting lasers
Testing, measurement, noise and reliability
Various equipment and components
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Description
Summary:The Hall probe measurement system was used to measure the critical current distribution of superconducting coated conductor. The system consists of reel to reel moving apparatus, 7 array Hall probe, a rotary encoder and permanent magnet. The magnetic field profile across the width of superconducting coated conductor using Bean's critical state model was calculated. The effect of various parameters of the formulas on the magnetic field distribution and the effect of shape and size of artificial defects, which were formed on the surface of SmBa 2 Cu 3 O 7-d (SmBCO) coated conductor using laser marking system, on the Hall probe magnetic field signal of the Hall probe measurement system was investigated.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2009.2039205