Theoretical consideration and numerical simulation regarding TDR on rotor windings

Due to its nature the recurrent surge oscillography (RSO) is a sensitive tool to identify local imperfections in large generator rotor windings. Evaluating the RSO results could lead to misinterpretation caused by the fact that different kinds of imperfections may result in a similar time-domain ref...

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Bibliographic Details
Published in2013 IEEE Electrical Insulation Conference (EIC) pp. 337 - 341
Main Authors Staubach, Christian, Merte, Ralf, Kokoschka, Daniel
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.06.2013
Subjects
Equations
Impedance
Insulation
Rotors
Surges
Time-domain analysis
Windings
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Summary:Due to its nature the recurrent surge oscillography (RSO) is a sensitive tool to identify local imperfections in large generator rotor windings. Evaluating the RSO results could lead to misinterpretation caused by the fact that different kinds of imperfections may result in a similar time-domain reflectometry (TDR). The theoretical model, presented in this paper has the aim to evaluate the sensitivity of RSO depending on the type of imperfection considering its location as well as the character of RSO-signal, amplitude and frequency content.
ISBN:1467347388
9781467347389
ISSN:2334-0975
2576-6791
DOI:10.1109/EIC.2013.6554262