A. S. Serebryakov, D. A. Semenov, E. A. Sbitnev, A. V. Sidorova
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The Effect of Transformer-Oil Aging on the Residual Service Life of the Transformer and Its Diagnostic Parameters
Abstract
One of the methods for the diagnostics of the main insulation of power oil transformers is considered. The testing results for the main insulation of distribution and furnace transformers having different purpose and design are presented for three modes of operation: for a mode with no tank and oil, for a mode without oil and with a tank, and for a mode with a transformer immersed in an oil-filled tank. According to the results of testing, it has been found that the aging of transformer oil is characterized by a rapidly decaying exponent. Based on this, one can carry out transformer repair in a timely manner according to the technical condition of the transformer to prevent a sudden failure of the transformer.
期刊介绍：
Russian Electrical Engineering is a journal designed for the electrical engineering industry and publishes the latest research results on the design and utilization of new types of equipment for that industry and on the ways of improving the efficiency of existing equipment.
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