Effects of Stabilizer Thickness of 2G HTS Wire on the Design of a 1.5-MW-Class HTS Synchronous Machine

Ji Hyung Kim; Thanh Dung Le; Do Jin Kim; Chang Jin Boo; Young Sik Jo; Yong Soo Yoon; Kyung Yong Yoon; Yoon Hyuck Choi; Haigun Lee; Ho Min Kim

doi:10.1109/TASC.2016.2549547

Effects of Stabilizer Thickness of 2G HTS Wire on the Design of a 1.5-MW-Class HTS Synchronous Machine

Ji Hyung Kim, Thanh Dung Le, Do Jin Kim, Chang Jin Boo, Young Sik Jo, Yong Soo Yoon, Kyung Yong Yoon, Yoon Hyuck Choi, Haigun Lee, Ho Min Kim

Department of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

In general, a metallic stabilization layer is overcoated on the outermost layer of a second-generation high-temperature superconducting (2G HTS) wire to stably transfer current against thermal and magnetic disturbances. Stabilizer thickness T_s is one of the key issues in an HTS synchronous machine (HTSSM) application because it strongly affects the electrical output performance of the machine and the stable operation and reliable protection of the HTS field coil. In this paper, a design and characteristic analysis for manufacturing a 1.5-MW-class HTSSM was performed using a 2-D analytical design code and a 3-D finite-element method. Various T_s values were considered in the HTS field-coil design to investigate their effects on the stability and protection of the HTS coil and the back-electromotive force of the machine. The design parameters are also discussed to determine suitable T_s for the 2G HTS wire.

Original language	English
Article number	7445828
Journal	IEEE Transactions on Applied Superconductivity
Volume	26
Issue number	4
DOIs	https://doi.org/10.1109/TASC.2016.2549547
Publication status	Published - 2016 Jun

Keywords

Adiabatic superconducting magnets
Cu stabilizer thickness
heating duration
phase back-electromotive force
stability margin

ASJC Scopus subject areas

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

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title = "Effects of Stabilizer Thickness of 2G HTS Wire on the Design of a 1.5-MW-Class HTS Synchronous Machine",

abstract = "In general, a metallic stabilization layer is overcoated on the outermost layer of a second-generation high-temperature superconducting (2G HTS) wire to stably transfer current against thermal and magnetic disturbances. Stabilizer thickness Ts is one of the key issues in an HTS synchronous machine (HTSSM) application because it strongly affects the electrical output performance of the machine and the stable operation and reliable protection of the HTS field coil. In this paper, a design and characteristic analysis for manufacturing a 1.5-MW-class HTSSM was performed using a 2-D analytical design code and a 3-D finite-element method. Various Ts values were considered in the HTS field-coil design to investigate their effects on the stability and protection of the HTS coil and the back-electromotive force of the machine. The design parameters are also discussed to determine suitable Ts for the 2G HTS wire.",

keywords = "Adiabatic superconducting magnets, Cu stabilizer thickness, heating duration, phase back-electromotive force, stability margin",

author = "Kim, {Ji Hyung} and Le, {Thanh Dung} and Kim, {Do Jin} and Boo, {Chang Jin} and Jo, {Young Sik} and Yoon, {Yong Soo} and Yoon, {Kyung Yong} and Choi, {Yoon Hyuck} and Haigun Lee and Kim, {Ho Min}",

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AU - Kim, Ji Hyung

AU - Le, Thanh Dung

AU - Kim, Do Jin

AU - Boo, Chang Jin

AU - Jo, Young Sik

AU - Yoon, Yong Soo

AU - Yoon, Kyung Yong

AU - Choi, Yoon Hyuck

AU - Lee, Haigun

AU - Kim, Ho Min

PY - 2016/6

Y1 - 2016/6

N2 - In general, a metallic stabilization layer is overcoated on the outermost layer of a second-generation high-temperature superconducting (2G HTS) wire to stably transfer current against thermal and magnetic disturbances. Stabilizer thickness Ts is one of the key issues in an HTS synchronous machine (HTSSM) application because it strongly affects the electrical output performance of the machine and the stable operation and reliable protection of the HTS field coil. In this paper, a design and characteristic analysis for manufacturing a 1.5-MW-class HTSSM was performed using a 2-D analytical design code and a 3-D finite-element method. Various Ts values were considered in the HTS field-coil design to investigate their effects on the stability and protection of the HTS coil and the back-electromotive force of the machine. The design parameters are also discussed to determine suitable Ts for the 2G HTS wire.

AB - In general, a metallic stabilization layer is overcoated on the outermost layer of a second-generation high-temperature superconducting (2G HTS) wire to stably transfer current against thermal and magnetic disturbances. Stabilizer thickness Ts is one of the key issues in an HTS synchronous machine (HTSSM) application because it strongly affects the electrical output performance of the machine and the stable operation and reliable protection of the HTS field coil. In this paper, a design and characteristic analysis for manufacturing a 1.5-MW-class HTSSM was performed using a 2-D analytical design code and a 3-D finite-element method. Various Ts values were considered in the HTS field-coil design to investigate their effects on the stability and protection of the HTS coil and the back-electromotive force of the machine. The design parameters are also discussed to determine suitable Ts for the 2G HTS wire.

KW - Adiabatic superconducting magnets

KW - Cu stabilizer thickness

KW - heating duration

KW - phase back-electromotive force

KW - stability margin

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JO - IEEE Transactions on Applied Superconductivity

JF - IEEE Transactions on Applied Superconductivity

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Effects of Stabilizer Thickness of 2G HTS Wire on the Design of a 1.5-MW-Class HTS Synchronous Machine

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Keywords

ASJC Scopus subject areas

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