A Combined Electro-Thermal Breakdown Model for Oil-Impregnated Paper

A Combined Electro-Thermal Breakdown Model for Oil-Impregnated Paper

The breakdown property of oil-impregnated paper is a key factor for converter transformer design and operation, but it is not well understood. In this paper, breakdown voltages of oil-impregnated paper were measured at different temperatures. The results showed that with the increase of temperature,...

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Bibliographic Details
Main Authors: Meng Huang, Yuanxiang Zhou, Zhongliu Zhou, Bo Qi
Format: Article
Language:English
Published: MDPI AG 2017-12-01
Series:Energies
Subjects:
space charge
oil-impregnated paper
mobility
breakdown
Online Access:https://www.mdpi.com/1996-1073/10/12/2160
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spelling doaj-540f759f27e84a92b51967cfc61c32a82020-11-24T21:24:57ZengMDPI AGEnergies1996-10732017-12-011012216010.3390/en10122160en10122160A Combined Electro-Thermal Breakdown Model for Oil-Impregnated PaperMeng Huang0Yuanxiang Zhou1Zhongliu Zhou2Bo Qi3School of Electrical and Electronic Engineering, North China Electric Power University, Beijing 102206, ChinaState Key Lab of Control and Simulation of Power Systems and Generation Equipment, Department of Electrical Engineering, Tsinghua University, Beijing 100084, ChinaState Key Lab of Control and Simulation of Power Systems and Generation Equipment, Department of Electrical Engineering, Tsinghua University, Beijing 100084, ChinaSchool of Electrical and Electronic Engineering, North China Electric Power University, Beijing 102206, ChinaThe breakdown property of oil-impregnated paper is a key factor for converter transformer design and operation, but it is not well understood. In this paper, breakdown voltages of oil-impregnated paper were measured at different temperatures. The results showed that with the increase of temperature, electrical, electro-thermal and thermal breakdown occurred successively. An electro-thermal breakdown model was proposed based on the heat equilibrium and space charge transport, and negative differential mobility was introduced to the model. It was shown that carrier mobility determined whether it was electrical or thermal breakdown, and the model can effectively explain the temperature-dependent breakdown.https://www.mdpi.com/1996-1073/10/12/2160space chargeoil-impregnated papermobilitybreakdown
collection DOAJ
language English
format Article
sources DOAJ
author Meng Huang
Yuanxiang Zhou
Zhongliu Zhou
Bo Qi
spellingShingle Meng Huang
Yuanxiang Zhou
Zhongliu Zhou
Bo Qi
A Combined Electro-Thermal Breakdown Model for Oil-Impregnated Paper
Energies
space charge
oil-impregnated paper
mobility
breakdown
author_facet Meng Huang
Yuanxiang Zhou
Zhongliu Zhou
Bo Qi
author_sort Meng Huang
title A Combined Electro-Thermal Breakdown Model for Oil-Impregnated Paper
title_short A Combined Electro-Thermal Breakdown Model for Oil-Impregnated Paper
title_full A Combined Electro-Thermal Breakdown Model for Oil-Impregnated Paper
title_fullStr A Combined Electro-Thermal Breakdown Model for Oil-Impregnated Paper
title_full_unstemmed A Combined Electro-Thermal Breakdown Model for Oil-Impregnated Paper
title_sort combined electro-thermal breakdown model for oil-impregnated paper
publisher MDPI AG
series Energies
issn 1996-1073
publishDate 2017-12-01
description The breakdown property of oil-impregnated paper is a key factor for converter transformer design and operation, but it is not well understood. In this paper, breakdown voltages of oil-impregnated paper were measured at different temperatures. The results showed that with the increase of temperature, electrical, electro-thermal and thermal breakdown occurred successively. An electro-thermal breakdown model was proposed based on the heat equilibrium and space charge transport, and negative differential mobility was introduced to the model. It was shown that carrier mobility determined whether it was electrical or thermal breakdown, and the model can effectively explain the temperature-dependent breakdown.
topic space charge
oil-impregnated paper
mobility
breakdown
url https://www.mdpi.com/1996-1073/10/12/2160
work_keys_str_mv AT menghuang acombinedelectrothermalbreakdownmodelforoilimpregnatedpaper
AT yuanxiangzhou acombinedelectrothermalbreakdownmodelforoilimpregnatedpaper
AT zhongliuzhou acombinedelectrothermalbreakdownmodelforoilimpregnatedpaper
AT boqi acombinedelectrothermalbreakdownmodelforoilimpregnatedpaper
AT menghuang combinedelectrothermalbreakdownmodelforoilimpregnatedpaper
AT yuanxiangzhou combinedelectrothermalbreakdownmodelforoilimpregnatedpaper
AT zhongliuzhou combinedelectrothermalbreakdownmodelforoilimpregnatedpaper
AT boqi combinedelectrothermalbreakdownmodelforoilimpregnatedpaper
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