Electrical-Based Diagnostic Techniques for Assessing Insulation Condition in Aged Transformers
The condition of the internal cellulosic paper and oil insulation are of concern for the performance of power transformers. Over the years, a number of methods have been developed to diagnose and monitor the degradation/aging of the transformer internal insulation system. Some of this degradation/ag...
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Online Access: | http://www.mdpi.com/1996-1073/9/9/679 |
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doaj-0bb7e3a46601467b8507e464e0759d602020-11-24T22:01:37ZengMDPI AGEnergies1996-10732016-08-019967910.3390/en9090679en9090679Electrical-Based Diagnostic Techniques for Assessing Insulation Condition in Aged TransformersIssouf Fofana0Yazid Hadjadj1Research Chair on the Aging of Power Network Infrastructure (ViAHT), Université du Québec à Chicoutimi, 555 Boulevard de l’université, Chicoutimi, QC G7H 2B1, CanadaResearch Chair on the Aging of Power Network Infrastructure (ViAHT), Université du Québec à Chicoutimi, 555 Boulevard de l’université, Chicoutimi, QC G7H 2B1, CanadaThe condition of the internal cellulosic paper and oil insulation are of concern for the performance of power transformers. Over the years, a number of methods have been developed to diagnose and monitor the degradation/aging of the transformer internal insulation system. Some of this degradation/aging can be assessed from electrical responses. Currently there are a variety of electrical-based diagnostic techniques available for insulation condition monitoring of power transformers. In most cases, the electrical signals being monitored are due to mechanical or electric changes caused by physical changes in resistivity, inductance or capacitance, moisture, contamination or aging by-products in the insulation. This paper presents a description of commonly used and modern electrical-based diagnostic techniques along with their interpretation schemes.http://www.mdpi.com/1996-1073/9/9/679power transformersdiagnostic techniquesinsulation conditiontransformer agingpartial discharge (PD)return voltage (RV)dielectric responsedielectric dissipation factor (DDF)dielectric response analysismechanical or electrical integrity of the core and windings |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Issouf Fofana Yazid Hadjadj |
spellingShingle |
Issouf Fofana Yazid Hadjadj Electrical-Based Diagnostic Techniques for Assessing Insulation Condition in Aged Transformers Energies power transformers diagnostic techniques insulation condition transformer aging partial discharge (PD) return voltage (RV) dielectric response dielectric dissipation factor (DDF) dielectric response analysis mechanical or electrical integrity of the core and windings |
author_facet |
Issouf Fofana Yazid Hadjadj |
author_sort |
Issouf Fofana |
title |
Electrical-Based Diagnostic Techniques for Assessing Insulation Condition in Aged Transformers |
title_short |
Electrical-Based Diagnostic Techniques for Assessing Insulation Condition in Aged Transformers |
title_full |
Electrical-Based Diagnostic Techniques for Assessing Insulation Condition in Aged Transformers |
title_fullStr |
Electrical-Based Diagnostic Techniques for Assessing Insulation Condition in Aged Transformers |
title_full_unstemmed |
Electrical-Based Diagnostic Techniques for Assessing Insulation Condition in Aged Transformers |
title_sort |
electrical-based diagnostic techniques for assessing insulation condition in aged transformers |
publisher |
MDPI AG |
series |
Energies |
issn |
1996-1073 |
publishDate |
2016-08-01 |
description |
The condition of the internal cellulosic paper and oil insulation are of concern for the performance of power transformers. Over the years, a number of methods have been developed to diagnose and monitor the degradation/aging of the transformer internal insulation system. Some of this degradation/aging can be assessed from electrical responses. Currently there are a variety of electrical-based diagnostic techniques available for insulation condition monitoring of power transformers. In most cases, the electrical signals being monitored are due to mechanical or electric changes caused by physical changes in resistivity, inductance or capacitance, moisture, contamination or aging by-products in the insulation. This paper presents a description of commonly used and modern electrical-based diagnostic techniques along with their interpretation schemes. |
topic |
power transformers diagnostic techniques insulation condition transformer aging partial discharge (PD) return voltage (RV) dielectric response dielectric dissipation factor (DDF) dielectric response analysis mechanical or electrical integrity of the core and windings |
url |
http://www.mdpi.com/1996-1073/9/9/679 |
work_keys_str_mv |
AT issouffofana electricalbaseddiagnostictechniquesforassessinginsulationconditioninagedtransformers AT yazidhadjadj electricalbaseddiagnostictechniquesforassessinginsulationconditioninagedtransformers |
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