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Showing Abstract of Life Extension of the Transformer Insulation with an Innovative Online Drying and Filtering system

 
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[ Abstract Viewed: 1008 | Pages: 9 ]

Title

Life Extension of the Transformer Insulation with an Innovative Online Drying and Filtering system

Topic: ترانسفورماتورها Published Year: 1382
Presentation: شفاهي
Published in:

[ 18th International Power System Conference ]

Original Language: English Full Text Size: Not Available

 

Abstract of the Article

 

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Download This article in PDF format Life Extension of the Transformer Insulation with an Innovative Online Drying and Filtering system

 

Authors:

[ Borsi ] - University of Hannover, Germany Institute of Electric Power Systems, Division of High Voltage Engineering Schering-Institute Callinstrasse 25A D-30167 Hannover, Germany
[ Gockenbach ] - University of Hannover, Germany Institute of Electric Power Systems, Division of High Voltage Engineering Schering-Institute Callinstrasse 25A D-30167 Hannover, Germany
[ Wasserberg ] - University of Hannover, Germany Institute of Electric Power Systems, Division of High Voltage Engineering Schering-Institute Callinstrasse 25A D-30167 Hannover, Germany

 

Abstract:

Water and Oxygen are the most important enemies of the insulation of oil filed transformers leading to an accelerated aging of the insulation. Thus drying procedures and reducing the influence of oxygen are required to extend lifetime and operation reliability. In this contribution an innovative procedure for the dehydration of mineral insulating oils and insulating paper in transformers is presented, working online during transformer operation. This procedure not only performs a complete desiccation, it also purifies the liquid without influencing the dissolved gas analysis (DGA) or any other physical property. Furthermore a Zeolite filled air filtering is introduced which not only prevents water molecules from penetrating the transformer but also oxygen. Herewith presented investigations on the operation parameters like temperature and flow rate have shown, that the procedure is beneficial for insulating liquids as well as for solid insulations immersed therein.

 

Keywords:

Life Extension, Transformer Insulation, Transformer Drying

 

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