Dismissing Uncertainties in the FRA Interpretation

This letter deals with decreasing the impact of the measurement uncertainty in the frequency response analysis (FRA) interpretation. The experimental data are employed to first select the best indices and connections from the aspect of uncertainty susceptibility. In addition to implementing preferab...

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Bibliographic Details
Published in:IEEE transactions on power delivery 2018-08, Vol.33 (4), p.2041-2043
Main Authors: Samimi, Mohammad Hamed, Tenbohlen, Stefan, Akmal, Amir Abbas Shayegani, Mohseni, Hossein
Format: Article
Language:English
Subjects:
Fault diagnosis
Frequency response
Indexes
Measurement uncertainty
power transformers testing
Reliability
Resistors
sensitivity
Temperature measurement
Uncertainty
Windings
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Summary:This letter deals with decreasing the impact of the measurement uncertainty in the frequency response analysis (FRA) interpretation. The experimental data are employed to first select the best indices and connections from the aspect of uncertainty susceptibility. In addition to implementing preferable indices and connections, comparing the FRA traces of two configurations with each other is proposed as an extra criterion to strengthen the FRA interpretation against uncertainties.
ISSN:0885-8977
1937-4208
DOI:10.1109/TPWRD.2016.2618601