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Frequency Response Analysis of Power Transformers by Subhendu Mishra is a book available to read on EtoBox.

What is Frequency Response Analysis of Power Transformers about?

Frequency response analysis of FRA is an off-line condition monitoring technique that can be used for diagnosis of any transformer. Mechanical defects and insulation failures are the main reasons due to which transformers have to be decommissioned. FRA involves taking a 'fingerprint' or signature frequency response of the transformer under study and comparing this signature to the one originally provided by the manufacturer of the transformer when it was first commissioned. It is necessary to understand that transformers are capable of withstanding various short circuits without themselves failing. However, due to isolated stresses, there are local deformations in the transformer. When there is significant deformation, even a small short circuit can severely damage the transformer and render it useless. Thus, it is necessary to regularly check the transformer for any significant deformation. This means that the transformer has to be isolated and made off-line, before it can be tested using FRA. There are some studies going on where the transformer can be diagnosed without removing it from the main grid [1,2]. Various studies have been done on modeling of transformer as a coupled fi

Author

Subhendu Mishra

Publisher

Springer Nature Singapore Pte Ltd Fka Springer Science + Business Media Singapore Pte Ltd

Published

2021

Language

EN

ISBN

9789811575112

Subjects

Engineering, Stem