Thermal and electrical analysis of coated conductor under AC over-current

Kwanwoo Nam; Chanjoo Lee; Dong Keun Park; Tae Kuk Ko; Bok Yeol Seok

doi:10.1109/TASC.2007.897199

Thermal and electrical analysis of coated conductor under AC over-current

Kwanwoo Nam, Chanjoo Lee, Dong Keun Park, Tae Kuk Ko, Bok Yeol Seok

Department of Electrical and Electronic Engineering

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

49 Citations (Scopus)

Abstract

In order to design a high temperature superconducting (HTS) winding for the fault current limiter (FCL), the resistance and the temperature of the winding should be calculated quantitatively under the over-current caused by fault condition. In this paper, a transient analysis is performed to estimate the resistance development and the temperature rise of coated conductor (CC) under AC over-current. A one-dimensional thermal conduction model with an electrical circuit model is developed for the solenoid coil configuration at 65 K cooling condition. All the composite materials except the buffer layer in CC are considered in the model. Two kinds of stabilizer materials (copper/stainless steel) are considered to Investigate the current limitation of CC. The simulation results are compared with the experimental data of the commercial CC. The effect of Ag and solder layer on the simulation result are revealed for CC.

Original language	English
Pages (from-to)	1923-1926
Number of pages	4
Journal	IEEE Transactions on Applied Superconductivity
Volume	17
Issue number	2
DOIs	https://doi.org/10.1109/TASC.2007.897199
Publication status	Published - 2007 Jun

Bibliographical note

Funding Information:
Manuscript received August 29, 2006. This work was supported by a grant from the Center for Applied Superconductivity Technology of the 21st Century Frontier R&D Program funded by the Ministry of Science and Technology, Republic of Korea. K. Nam, C. Lee, and B.-Y. Seok are with the Electro-Mechanical Research Institute, Hyundai Heavy Industries, Co., Ltd, Korea (e-mail: kwnam@hhi.co.kr; coldzoo@hhi.co.kr; bokyeol@hhi.co.kr). D. K. Park and T. K. Ko are with the Applied Superconductivity Laboratory, Yonsei University, Korea (e-mail: dogma@yonsei.ac.kr; tkko@yonsei.ac.kr). Color versions of one or more of the figures in this paper are available online at http://ieeexplore.ieee.org. Digital Object Identifier 10.1109/TASC.2007.897199 Fig. 1. Magnified photo of cross-section of AMSC CC wire illustrating the detailed view of each layer.

All Science Journal Classification (ASJC) codes

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

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10.1109/TASC.2007.897199

Cite this

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title = "Thermal and electrical analysis of coated conductor under AC over-current",

abstract = "In order to design a high temperature superconducting (HTS) winding for the fault current limiter (FCL), the resistance and the temperature of the winding should be calculated quantitatively under the over-current caused by fault condition. In this paper, a transient analysis is performed to estimate the resistance development and the temperature rise of coated conductor (CC) under AC over-current. A one-dimensional thermal conduction model with an electrical circuit model is developed for the solenoid coil configuration at 65 K cooling condition. All the composite materials except the buffer layer in CC are considered in the model. Two kinds of stabilizer materials (copper/stainless steel) are considered to Investigate the current limitation of CC. The simulation results are compared with the experimental data of the commercial CC. The effect of Ag and solder layer on the simulation result are revealed for CC.",

author = "Kwanwoo Nam and Chanjoo Lee and Park, {Dong Keun} and Ko, {Tae Kuk} and Seok, {Bok Yeol}",

note = "Funding Information: Manuscript received August 29, 2006. This work was supported by a grant from the Center for Applied Superconductivity Technology of the 21st Century Frontier R&D Program funded by the Ministry of Science and Technology, Republic of Korea. K. Nam, C. Lee, and B.-Y. Seok are with the Electro-Mechanical Research Institute, Hyundai Heavy Industries, Co., Ltd, Korea (e-mail: kwnam@hhi.co.kr; coldzoo@hhi.co.kr; bokyeol@hhi.co.kr). D. K. Park and T. K. Ko are with the Applied Superconductivity Laboratory, Yonsei University, Korea (e-mail: dogma@yonsei.ac.kr; tkko@yonsei.ac.kr). Color versions of one or more of the figures in this paper are available online at http://ieeexplore.ieee.org. Digital Object Identifier 10.1109/TASC.2007.897199 Fig. 1. Magnified photo of cross-section of AMSC CC wire illustrating the detailed view of each layer.",

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N2 - In order to design a high temperature superconducting (HTS) winding for the fault current limiter (FCL), the resistance and the temperature of the winding should be calculated quantitatively under the over-current caused by fault condition. In this paper, a transient analysis is performed to estimate the resistance development and the temperature rise of coated conductor (CC) under AC over-current. A one-dimensional thermal conduction model with an electrical circuit model is developed for the solenoid coil configuration at 65 K cooling condition. All the composite materials except the buffer layer in CC are considered in the model. Two kinds of stabilizer materials (copper/stainless steel) are considered to Investigate the current limitation of CC. The simulation results are compared with the experimental data of the commercial CC. The effect of Ag and solder layer on the simulation result are revealed for CC.

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Thermal and electrical analysis of coated conductor under AC over-current

Abstract

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