Vida de Transformadores de Potencia Sumergidos en Aceite. Estado del Arte: Estado del Arte. Parte I. Correlación entre la Vida y la Temperatura (Life of Power Transformers Immerserd in Oil. -State-of-the-Art- Part I. Correlation between Life and Temperature)

Wilfredo Flores (wflores@iee.unsj.edu.ar)1, Enrique Mombello (mombello@iee.unsj.edu.ar)1, Giuseppe Rattá (ratta@iee.unsj.edu.ar)1, José Antonio Jardini (jardini@pea.usp.br)2


1Universidad Nacional de San Juan
2Escola Politécnica da Universidade de São Paulo

This paper appears in: Revista IEEE América Latina

Publication Date: March 2007
Volume: 5,   Issue: 1 
ISSN: 1548-0992


Abstract:
The present document is a revision of the state-of-the-art of the problem of the life of the power transformer immersed in oil. The problem of the difference between life of the isolation and life of the power transformer is reviewed, the loading guides of IEEE and IEC are analyzed and, the difference that exists between both loading guides to different values of temperature is shown.

Index Terms:
Life Estimate, Monitoring of Power Transformers, Insulation of Power Transformers   


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