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An investigation into the suitability of insulated core transformer technology for an ultra high voltage power supply

An investigation into the suitability of insulated core transformer technology for an ultra high voltage power supply
An investigation into the suitability of insulated core transformer technology for an ultra high voltage power supply
A growing area of interest is HVDC supplies. This paper represents an initial study into possible designs of HVDC transformers that could provide 2 A at 1 MV, with the added specification that any proposed technology should be scalable to 5 A at 5 MV. Insulated core transformers (ICTs) have been initially selected as a potentially suitable technology. Careful design of the ICT magnetic core is required to ensure that flux loss is limited so that higher voltages are achievable. Simulation studies have shown that the voltage produced in an ICT does not scale linearly, meaning that there is an effective limit to the voltage that they can produce. In addition to this, a technique is proposed to increase the available current output of an ICT. The full analysis is presented in this paper.
HVDC, transformer, insulated core transformers, simulation, magnetic flux
501-507
Frost, Russell
4719c204-a255-45cd-b557-56072f962b3e
Lewin, Paul
78b4fc49-1cb3-4db9-ba90-3ae70c0f639e
Spong, Matt
a92376cf-d5af-4c58-b32b-7a7bab570e87
Frost, Russell
4719c204-a255-45cd-b557-56072f962b3e
Lewin, Paul
78b4fc49-1cb3-4db9-ba90-3ae70c0f639e
Spong, Matt
a92376cf-d5af-4c58-b32b-7a7bab570e87

Frost, Russell, Lewin, Paul and Spong, Matt (2019) An investigation into the suitability of insulated core transformer technology for an ultra high voltage power supply. IEEE Transactions on Dielectrics and Electrical Insulation, 26 (2), 501-507. (doi:10.1109/TDEI.2019.007751).

Record type: Article

Abstract

A growing area of interest is HVDC supplies. This paper represents an initial study into possible designs of HVDC transformers that could provide 2 A at 1 MV, with the added specification that any proposed technology should be scalable to 5 A at 5 MV. Insulated core transformers (ICTs) have been initially selected as a potentially suitable technology. Careful design of the ICT magnetic core is required to ensure that flux loss is limited so that higher voltages are achievable. Simulation studies have shown that the voltage produced in an ICT does not scale linearly, meaning that there is an effective limit to the voltage that they can produce. In addition to this, a technique is proposed to increase the available current output of an ICT. The full analysis is presented in this paper.

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7751 exit-2 - Accepted Manuscript
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Accepted/In Press date: 11 January 2019
e-pub ahead of print date: 6 March 2019
Published date: 1 April 2019
Keywords: HVDC, transformer, insulated core transformers, simulation, magnetic flux

Identifiers

Local EPrints ID: 429259
URI: http://eprints.soton.ac.uk/id/eprint/429259
PURE UUID: 9aeec33d-4196-4796-a368-f189d2efb463
ORCID for Paul Lewin: ORCID iD orcid.org/0000-0002-3299-2556

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Date deposited: 25 Mar 2019 17:30
Last modified: 16 Mar 2024 02:41

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Contributors

Author: Russell Frost
Author: Paul Lewin ORCID iD
Author: Matt Spong

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