Field experience of generator stator insulation monitoring and failures in Sri Lanka

Field experience of generator stator insulation monitoring and failures in Sri Lanka

This paper describes usage of several condition monitoring techniques to evaluate the failures and failure modes of generator stator insulation. Authors have included several case studies of insulation weaknesses and failures of generators in Sri Lanka. Author's recommendations to use DC ramp t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Jayantha, G. A., Fernando, M. A. R. M.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
condition monitoring
dc ramp test
generator
Generators
Insulation
Moisture
Partial discharges
Power generation
stator insulation
Stator windings
Windings
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Beschreibung
Zusammenfassung:This paper describes usage of several condition monitoring techniques to evaluate the failures and failure modes of generator stator insulation. Authors have included several case studies of insulation weaknesses and failures of generators in Sri Lanka. Author's recommendations to use DC ramp test for the evaluation of failures of generators and effect of moisture in stator insulation, are highlighted.
ISSN:2164-7011
2690-3423
DOI:10.1109/ICIInfS.2012.6304766