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Application of Thermal Network Model for Designing Superconducting Cable Components

Title: Application of Thermal Network Model for Designing Superconducting Cable Components.
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Name(s): Indrakanti, Shiva Charan, author
Pamidi, Sastry V., professor directing thesis
Foo, Simon Y., committee member
Moss, Pedro L., committee member
Florida State University, degree granting institution
FAMU-FSU College of Engineering, degree granting college
Department of Electrical and Computer Engineering, degree granting department
Type of Resource: text
Genre: Text
Master Thesis
Issuance: monographic
Date Issued: 2017
Publisher: Florida State University
Place of Publication: Tallahassee, Florida
Physical Form: computer
online resource
Extent: 1 online resource (60 pages)
Language(s): English
Abstract/Description: High Temperature Superconductors (HTS) have the advantage of carrying direct current at zero resistance when operated below their critical temperature. At lower temperatures, these superconductors have the capability of carrying higher current densities. HTS power systems have applications in electrical power grids, defense, naval, aircraft, and industrial sectors. HTS devices enable higher efficiency while providing resiliency and reliability to power systems. This study developed models for superconducting cable system with two terminations, HTS cable, and cryo-cooler. The models combined electrical and cryogenic thermal aspects of the superconducting cable system. Several operating scenarios were simulated. Some contingencies such as cryo-cooler failure, circulation system failure were also modeled. A comparison of AC and DC cables was also analyzed in the system. The simulation models help in the analysis of the effects of system failure and to estimate the time required to turn off the system before the cable is affected. The results indicate that most of the heat load into the system is due to the terminations which are the interfaces between the superconducting cable and the room temperature components. In the contingency situations such as cryo-cooler failure, the time required to turn-off the system is several minutes. These results help us protect the cable from catastrophic damage during unexpected situations. Through these models, it is possible to calculate the maximum current that can be run through the system before the cable reaches a potential quench.
Identifier: FSU_FALL2017_Indrakanti_fsu_0071N_14273 (IID)
Submitted Note: A Thesis submitted to the Department of Electrical and Computer Engineering in partial fulfillment of the requirements for the degree of Master of Science.
Degree Awarded: Fall Semester 2017.
Date of Defense: November 14, 2017.
Bibliography Note: Includes bibliographical references.
Advisory Committee: Sastry V. Pamidi, Professor Directing Thesis; Simon Foo, Committee Member; Pedro Moss, Committee Member.
Subject(s): Electrical engineering
Persistent Link to This Record: http://purl.flvc.org/fsu/fd/FSU_FALL2017_Indrakanti_fsu_0071N_14273
Host Institution: FSU

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Indrakanti, S. C. (2017). Application of Thermal Network Model for Designing Superconducting Cable Components. Retrieved from http://purl.flvc.org/fsu/fd/FSU_FALL2017_Indrakanti_fsu_0071N_14273