Vibro-acoustic method of transformer clamping pressure monitoring

Vibro-acoustic method of transformer clamping pressure monitoring

This paper presents a vibro-acoustic method of on-line monitoring of a transformer core and winding clamping pressure. The method based on the dependence of oscillating frequencies spectra on the clamping force allows to distinguish between the core and the winding clamping pressure drop. Special so...

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Bibliographische Detailangaben
Hauptverfasser: Berler, Z., Golubev, A., Rusov, V., Tsvetkov, V., Patterson, C.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Clamps
Frequency
Magnetic cores
Monitoring
Oil insulation
Power transformer insulation
Power transformers
Steady-state
Transformer cores
Vibrations
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Beschreibung
Zusammenfassung:This paper presents a vibro-acoustic method of on-line monitoring of a transformer core and winding clamping pressure. The method based on the dependence of oscillating frequencies spectra on the clamping force allows to distinguish between the core and the winding clamping pressure drop. Special software was developed for its practical application. Examples of practical application are given.
ISSN:1089-084X
DOI:10.1109/ELINSL.2000.845503