Novel insulation techniques for high voltage pulse transformers

This thesis describes a research investigation into novel designs of high voltage pulse transformers using magnetic insulation, which is the only practicable form of insulation for much of the equipment presently used in ultrahigh voltage pulsed-power work, including transmission lines and plasma op...

Full description

Saved in:
Bibliographic Details
Main Author: Jing Luo
Format: Default Thesis
Published: 2007
Subjects:
Online Access:https://hdl.handle.net/2134/13327
Tags: Add Tag
No Tags, Be the first to tag this record!
id rr-article-9526553
record_format Figshare
spelling rr-article-95265532007-01-01T00:00:00Z Novel insulation techniques for high voltage pulse transformers Jing Luo (146659) Mechanical engineering not elsewhere classified Magnetic insulation High voltage pulse transformers filamentary modelling Mechanical Engineering not elsewhere classified This thesis describes a research investigation into novel designs of high voltage pulse transformers using magnetic insulation, which is the only practicable form of insulation for much of the equipment presently used in ultrahigh voltage pulsed-power work, including transmission lines and plasma opening switches. Although its use in transformers would bring important advantages in both size and weight reductions, a number of seemingly insurmountable problems have however so far prevented this. Two novel arrangements are presented in this thesis: one of these is a 500 kV transformer with self-magnetic insulation, and the other one is a 1 MV 'Tesla' transformer with external magnetic insulation. It is shown that both of these overcome the problems inherent in earlier designs and also offer considerable scope for further development in a number of important areas. It is believed that they represent the first working examples of magnetically-insulated transformers anywhere in the world. Modelling considerations of the transformers developed include both theoretical models and predicted characteristics. The filamentary technique used to describe mathematically the arrangements being investigated involves decomposition of the main conducting components into filamentary elements. The resulting equivalent electrical network includes all the mutual interactions that exist between the different filamentary elements, takes magnetic diffusion fully into account and enables the resistances and self and mutual inductances that are effective under fast transient conditions to be calculated. Theoretical results provided by the resulting mathematical models have been successfully validated by comparison with reliable experimental data. Much of the work detailed in the thesis has already been presented in high quality academic journals and at prestigious international conferences, and a solid theoretical and experimental basis has been laid down for future development and new progress into pulsed power system research. 2007-01-01T00:00:00Z Text Thesis 2134/13327 https://figshare.com/articles/thesis/Novel_insulation_techniques_for_high_voltage_pulse_transformers/9526553 CC BY-NC-ND 4.0
institution Loughborough University
collection Figshare
topic Mechanical engineering not elsewhere classified
Magnetic insulation
High voltage pulse transformers
filamentary modelling
Mechanical Engineering not elsewhere classified
spellingShingle Mechanical engineering not elsewhere classified
Magnetic insulation
High voltage pulse transformers
filamentary modelling
Mechanical Engineering not elsewhere classified
Jing Luo
Novel insulation techniques for high voltage pulse transformers
description This thesis describes a research investigation into novel designs of high voltage pulse transformers using magnetic insulation, which is the only practicable form of insulation for much of the equipment presently used in ultrahigh voltage pulsed-power work, including transmission lines and plasma opening switches. Although its use in transformers would bring important advantages in both size and weight reductions, a number of seemingly insurmountable problems have however so far prevented this. Two novel arrangements are presented in this thesis: one of these is a 500 kV transformer with self-magnetic insulation, and the other one is a 1 MV 'Tesla' transformer with external magnetic insulation. It is shown that both of these overcome the problems inherent in earlier designs and also offer considerable scope for further development in a number of important areas. It is believed that they represent the first working examples of magnetically-insulated transformers anywhere in the world. Modelling considerations of the transformers developed include both theoretical models and predicted characteristics. The filamentary technique used to describe mathematically the arrangements being investigated involves decomposition of the main conducting components into filamentary elements. The resulting equivalent electrical network includes all the mutual interactions that exist between the different filamentary elements, takes magnetic diffusion fully into account and enables the resistances and self and mutual inductances that are effective under fast transient conditions to be calculated. Theoretical results provided by the resulting mathematical models have been successfully validated by comparison with reliable experimental data. Much of the work detailed in the thesis has already been presented in high quality academic journals and at prestigious international conferences, and a solid theoretical and experimental basis has been laid down for future development and new progress into pulsed power system research.
format Default
Thesis
author Jing Luo
author_facet Jing Luo
author_sort Jing Luo (146659)
title Novel insulation techniques for high voltage pulse transformers
title_short Novel insulation techniques for high voltage pulse transformers
title_full Novel insulation techniques for high voltage pulse transformers
title_fullStr Novel insulation techniques for high voltage pulse transformers
title_full_unstemmed Novel insulation techniques for high voltage pulse transformers
title_sort novel insulation techniques for high voltage pulse transformers
publishDate 2007
url https://hdl.handle.net/2134/13327
_version_ 1796107259767422976