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Teilentladungsmessungen an rotierenden elektrischen Maschinen – Erfahrungen und Innovationen

Partial discharge measurements on rotating machines—experience and innovation

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Zusammenfassung

Die Teilentladungsmessung (TE-Messung) gilt heute als weltweit akzeptierte Diagnosemethode für die Zustandserfassung des Isoliersystems von rotierenden elektrischen Maschinen. Im Beitrag wird neben ihren Besonderheiten auch auf die unterschiedlichen Ansätze der Messung eingegangen. Die Diskussion wird mit praktischen Beispielen und Versuchen untermauert. Die Vorteile eines digitalen Messsystems mit fortgeschrittenen Möglichkeiten zur Separierung einzelner TE-Quellen oder der Identifikation von externen Störern werden aufgezeigt. Abschließend wird die automatisierte Erkennung phasenaufgelöster Muster als Endstufe der softwarebasierten Auswertehilfe vorgestellt und erklärt.

Abstract

Partial discharge (PD) measurement is nowadays a worldwide accepted method for the condition-based assessment of stator insulation. The advantage of having a fully digital measuring system, with advanced hardware and software capabilities that allows improved insulation diagnosis by means of PD analysis, is shown. The sensitivity of the PD measurements can be strongly limited by a high noise level. State-of-the-art features based on synchronous multi-channel and multi-frequency techniques for signal separation of noise and PD defects are presented. The examples of data evaluation are described and the use of the automated PD pattern recognition system is discussed.

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Literatur

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Authors and Affiliations

  1. Omicron electronics GmbH, Oberes Ried 1, 6833, Klaus, Österreich

    Fabian Öttl & Michael Krüger

  2. Omicron Energy Solutions GmbH, Lorenzweg 5, 12099, Berlin, Deutschland

    Wojciech Koltunowicz, Laurentiu-Viorel Badicu & Bogdan Gorgan

Authors
  1. Fabian Öttl
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  2. Michael Krüger
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  3. Wojciech Koltunowicz
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  4. Laurentiu-Viorel Badicu
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  5. Bogdan Gorgan
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Corresponding author

Correspondence to Fabian Öttl.

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Öttl, F., Krüger, M., Koltunowicz, W. et al. Teilentladungsmessungen an rotierenden elektrischen Maschinen – Erfahrungen und Innovationen. Elektrotech. Inftech. 134, 397–406 (2017). https://doi.org/10.1007/s00502-017-0536-9

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  • DOI: https://doi.org/10.1007/s00502-017-0536-9

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