On-line diagnostic tests on APT-450 potential transformers

On-line diagnostic tests on APT-450 potential transformers

After the "infant mortality" period, high-voltage potential transformers usually have an extended service life. Due to aging of the insulation, their failures can cause serious system operating problems. Periodic on-line monitoring of the transformer ratio and partial discharge activity co...

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Bibliographische Detailangaben
Hauptverfasser: Berler, Z., Golovkov, M., Golubev, A., Letitskaya, L., Rashkes, V., Svy, P., Sicola, A.J., Kane, C.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Voltage transformers
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Beschreibung
Zusammenfassung:After the "infant mortality" period, high-voltage potential transformers usually have an extended service life. Due to aging of the insulation, their failures can cause serious system operating problems. Periodic on-line monitoring of the transformer ratio and partial discharge activity could be a good solution in forecasting and preventing such failures.
ISSN:0362-2479
DOI:10.1109/EEIC.1997.651241