Detection of Interdisc Faults in the Windings of Power Transformer
Sridhar PatthiB. P. Singh
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Detection of Interdisc Faults in the Windings of Power Transformer

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In extra high voltage power transmission, power transformer is the most important component. Insulation failure within transformer is considered to be one of the most important causes of failure of power transformer. Comparison of neutral currents at reduced and full voltages was carried out for detection of fault in a power transformer winding during impulse test. In order to assess the integrity of the winding, high voltage power transformers were subjected to full and chopped impulse voltages of specified values in accordance with the standard requirement. One of the tests carried out was t...