A Study on the Normal Zone Propagation Velocity of the Racetrack Type Coil With Difference Shapes of Coil Bobbin

The high-temperature superconductors (HTS) have large stability compared with to temperature superconductors. However, normal zone propagation velocity (NZPV) of HTS should be slowed due to its high stability. To make high stable superconducting magnet with HTS, one of the beneficial methods is to i...

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Veröffentlicht in:IEEE transactions on applied superconductivity 2013-06, Vol.23 (3), p.4702204-4702204
Hauptverfasser: Na, Jin Bae, Hwang, Young Jin, Ko, Tae Kuk
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Hwang, Young Jin
Ko, Tae Kuk
description The high-temperature superconductors (HTS) have large stability compared with to temperature superconductors. However, normal zone propagation velocity (NZPV) of HTS should be slowed due to its high stability. To make high stable superconducting magnet with HTS, one of the beneficial methods is to increase the NZPV of superconducting magnet by adjusting the winding strength in the racetrack coil. The racetrack type coil (RC) is widely used to make the superconducting field coil of wind turbine generators. The conventional RC consists of two parts, which are the round section and straight section. Suitable deformation configuration of the straight part can be suggested and calculated by finite element method simulation. The central magnetic field and total magnetic flux were calculated to investigate the deformation effect of RC. Two RCs with GdBCO were fabricated to measure NZPV. One of the RCs was a deformed straight section such as the D-shape. NZPV was compared with each RC. It was found that NZPV of deformation RC was increased to lower internal overheating. Finally, these results can be applied for developing large-scale wind turbine generation.
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However, normal zone propagation velocity (NZPV) of HTS should be slowed due to its high stability. To make high stable superconducting magnet with HTS, one of the beneficial methods is to increase the NZPV of superconducting magnet by adjusting the winding strength in the racetrack coil. The racetrack type coil (RC) is widely used to make the superconducting field coil of wind turbine generators. The conventional RC consists of two parts, which are the round section and straight section. Suitable deformation configuration of the straight part can be suggested and calculated by finite element method simulation. The central magnetic field and total magnetic flux were calculated to investigate the deformation effect of RC. Two RCs with GdBCO were fabricated to measure NZPV. One of the RCs was a deformed straight section such as the D-shape. NZPV was compared with each RC. It was found that NZPV of deformation RC was increased to lower internal overheating. 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Electrical power engineering</topic><topic>Electrical machines</topic><topic>Electrical power engineering</topic><topic>Electromagnets</topic><topic>Exact sciences and technology</topic><topic>Finite element analysis</topic><topic>Finite element methods</topic><topic>Heating</topic><topic>High temperature superconductors</topic><topic>High-temperature superconductor</topic><topic>Magnetic fields</topic><topic>Magnetism</topic><topic>Mathematical analysis</topic><topic>Miscellaneous</topic><topic>Normal zone propagation</topic><topic>normal zone propagation velocity</topic><topic>racetrack type coil</topic><topic>Reinforced concrete</topic><topic>Special rotating machines</topic><topic>Superconducting magnets</topic><topic>Thermal stability</topic><topic>Various equipment and components</topic><topic>wind turbine generation</topic><topic>Wind turbines</topic><topic>Windings</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Na, Jin Bae</creatorcontrib><creatorcontrib>Hwang, Young Jin</creatorcontrib><creatorcontrib>Ko, Tae Kuk</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics &amp; Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Ceramic Abstracts</collection><collection>ANTE: Abstracts in New Technology &amp; Engineering</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><jtitle>IEEE transactions on applied superconductivity</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Na, Jin Bae</au><au>Hwang, Young Jin</au><au>Ko, Tae Kuk</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A Study on the Normal Zone Propagation Velocity of the Racetrack Type Coil With Difference Shapes of Coil Bobbin</atitle><jtitle>IEEE transactions on applied superconductivity</jtitle><stitle>TASC</stitle><date>2013-06-01</date><risdate>2013</risdate><volume>23</volume><issue>3</issue><spage>4702204</spage><epage>4702204</epage><pages>4702204-4702204</pages><issn>1051-8223</issn><eissn>1558-2515</eissn><coden>ITASE9</coden><abstract>The high-temperature superconductors (HTS) have large stability compared with to temperature superconductors. However, normal zone propagation velocity (NZPV) of HTS should be slowed due to its high stability. To make high stable superconducting magnet with HTS, one of the beneficial methods is to increase the NZPV of superconducting magnet by adjusting the winding strength in the racetrack coil. The racetrack type coil (RC) is widely used to make the superconducting field coil of wind turbine generators. The conventional RC consists of two parts, which are the round section and straight section. Suitable deformation configuration of the straight part can be suggested and calculated by finite element method simulation. The central magnetic field and total magnetic flux were calculated to investigate the deformation effect of RC. Two RCs with GdBCO were fabricated to measure NZPV. One of the RCs was a deformed straight section such as the D-shape. NZPV was compared with each RC. It was found that NZPV of deformation RC was increased to lower internal overheating. 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source IEEE Electronic Library (IEL)
subjects Applied sciences
Coiling
Coils
Coils (windings)
Deformation
Direct energy conversion and energy accumulation
Electrical engineering. Electrical power engineering
Electrical machines
Electrical power engineering
Electromagnets
Exact sciences and technology
Finite element analysis
Finite element methods
Heating
High temperature superconductors
High-temperature superconductor
Magnetic fields
Magnetism
Mathematical analysis
Miscellaneous
Normal zone propagation
normal zone propagation velocity
racetrack type coil
Reinforced concrete
Special rotating machines
Superconducting magnets
Thermal stability
Various equipment and components
wind turbine generation
Wind turbines
Windings
title A Study on the Normal Zone Propagation Velocity of the Racetrack Type Coil With Difference Shapes of Coil Bobbin
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