An Analysis of Transformer Failures, Part 2: Causes, Prevention, and Maximum Service Life
William H. Bartley, P.E., Hartford Steam Boiler
Over the years, Hartford Steam Boiler has investigated thousands of transformer failures, compiling an extensive database of loss information. In Part One of this article, the author used data from HSB’s latest 10-year study of transformer claims to examine the types of breakdowns, frequency, severity, and the issue of transformer age. In part two, he discusses the causes of transformer failures, recommends a maintenance program and concludes with ways to help achieve maximum service life.
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