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Electric Degradation of Insulating Systems of Power Transformer Connected to Renewable Energy Source

Citace: TRNKA, P., ŠIRŮČEK, M., HALLER, R., POLANSKÝ, R., PROSR, P. Electric Degradation of Insulating Systems of Power Transformer Connected to Renewable Energy Source. In ISH 2013 : proceedings : 18th International Symposium on High Voltage Engineering. Seoul: Hanyang University, 2013. s. 1753-1757. ISBN: 978-89-86510-18-8
Druh: STAŤ VE SBORNÍKU
Jazyk publikace: eng
Anglický název: Electric Degradation of Insulating Systems of Power Transformer Connected to Renewable Energy Source
Rok vydání: 2013
Místo konání: Seoul
Název zdroje: Hanyang University
Autoři: Doc. Ing. Pavel Trnka Ph.D. , Ing. Martin Širůček , Prof. Ing. Rainer Haller Dr. , Doc. Ing. Radek Polanský Ph.D. , Ing. Pavel Prosr Ph.D.
Abstrakt EN: Transformers with insulating system based on the paper and mineral oil are well known and used for decades. Most of the aging mechanisms of such as transformers are more or less known and described. International standards are provided mostly describing the aging of the insulation based on the temperature (hot spot temperature) measurement and providing model for rest lifetime calculation. Other diagnostic approach on insulating systems could be performed e.g Termogravimetric analysis or Differential scanning calorimetry such for better understanding of insulating system behaviour. In the case of renewable sources usage, in some cases other fluids are being used to provide biodegradability. The aging process of such as fluids is not enough described for using modern on-line monitoring system for condition monitoring. The paper deals with electric degradation investigation of paper oil systems with mineral and biodegradable fluid.
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