Mitigation of residual flux for high-temperature superconductor (HTS) transformer by controlled switching of HTS breaker arc model

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aut.relation.conference2017 IEEE Innovative Smart Grid Technoilogies - Asia (ISGT-Asia)en_NZ
aut.researcherLie, Tek
dc.contributor.authorLie, Ten_NZ
dc.contributor.authorUllah, Aen_NZ
dc.contributor.authorGunawardane, Ken_NZ
dc.contributor.authorNair, NKCen_NZ
dc.date.accessioned2018-06-19T00:12:13Z
dc.date.available2018-06-19T00:12:13Z
dc.date.copyright2017-12-07en_NZ
dc.date.issued2017-12-07en_NZ
dc.description.abstractAC circuit breaker's controlled switching is a popular method to reduce dielectric and thermal stresses during switching of transformers, transmission lines, reactor and shunt capacitors. The magnitude of inrush current often reaches five to nine times of rated magnetizing current and thus it affects the network stability. Particularly, it affects the superconductivity of HTS transformer. Moreover, a residual flux is developed in HTS transformer due to high inrush current. The amount of flux may increase to a very high value that has direct impact to have a very high transient inrush current. This paper presents inrush current mitigation phenomena in a single-phase HTS transformer by controlled switching of HTS breaker arc model. The inrush current phenomenon is modeled for a single-phase HTS transformer in this paper. The mitigation of inrush current is restrained to a lower level by the reclosing of a new type of arc model named HTS breaker arc model and the residual flux also minimized. The calculating method is established on the investigation of fast switching timing and characteristics of the HTS breaker arc model.
dc.identifier.citation2017 IEEE Innovative Smart Grid Technologies - Asia (ISGT-Asia), Auckland, New Zealand, 2017, doi: 10.1109/ISGT-Asia.2017.8378457
dc.identifier.doi10.1109/ISGT-Asia.2017.8378457en_NZ
dc.identifier.issn2378-8542en_NZ
dc.identifier.urihttps://hdl.handle.net/10292/11600
dc.publisherIEEEen_NZ
dc.relation.urihttps://ieeexplore.ieee.org/document/8378457/
dc.rightsMany authors in today's publishing environment want to make their research freely available to all reader communities. To enable exposure for their groundbreaking research and applications-oriented articles, IEEE has created IEEE OPEN, an approach to publishing designed to meet the author's varied needs throughout their careers. The IEEE OPEN publishing program offers three options Hybrid Journals, Fully Open Topical Journals and a Multidisciplinary Mega Journal (IEEE Access). Any article marked withOpenAccessin search results that reflects Open Access upon hover is free for all users.
dc.rights.accessrightsOpenAccessen_NZ
dc.subjectHTS; Arc model; Inrush current; Residual flux
dc.titleMitigation of residual flux for high-temperature superconductor (HTS) transformer by controlled switching of HTS breaker arc modelen_NZ
dc.typeConference Contribution
pubs.elements-id338942
pubs.organisational-data/AUT
pubs.organisational-data/AUT/Design & Creative Technologies
pubs.organisational-data/AUT/Design & Creative Technologies/Engineering, Computer & Mathematical Sciences
pubs.organisational-data/AUT/PBRF
pubs.organisational-data/AUT/PBRF/PBRF Design and Creative Technologies
pubs.organisational-data/AUT/PBRF/PBRF Design and Creative Technologies/PBRF ECMS
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