Quality Confirmation Tests for Power Transformer Insulation Systems
This book focuses on oil-paper insulation included in power transformers, especially for EHV and UHV transformers. The importance on insulation ever increased due to a growing voltage rating of transformers. Within the last decades, although research on t
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Quality Confirmation Tests for Power Transformer Insulation Systems
Quality Confirmation Tests for Power Transformer Insulation Systems
Behrooz Vahidi Ashkan Teymouri •
Quality Confirmation Tests for Power Transformer Insulation Systems
123
Behrooz Vahidi Department of Electrical Engineering Amirkabir University of Technology Tehran, Iran
Ashkan Teymouri Department of Electrical Engineering Amirkabir University of Technology Tehran, Iran
ISBN 978-3-030-19692-9 ISBN 978-3-030-19693-6 https://doi.org/10.1007/978-3-030-19693-6
(eBook)
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Preface
Power transformer insulation is an indispensable part of a power transformer. The importance of insulation was increased over the years due to the increase in the voltage rating of transformers. Within the last decades, although research on the transformer insulation and diagnosis methods has been improved so much, the insulation of HV transformers remained more or less unchanged and for EHV and UHV transformers, the oil–paper insulation is dominant. The book in hand is the first edition and based on the oil–paper insulation. The contents of this book are divided into five chapters. The first and second chapters explain the oil insulation. The third chapter explains the paper insulation. The fourth and fifth chapters deal with the tests. The authors’ special thanks go to all readers in advance who will give us a feedback on the book. Tehran, Iran August 2018
Behrooz Vahidi Ashkan Teymouri
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Contents
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1 1 1 3 3 3 8 9 9 10 11
2 In-Service Mineral Insul
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