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Is Your Arc-in-Oil Load Tap Changer Due for Maintenance?

Robert T. Rasor April 1, 2020 Industry Topics, Spring 2020 Industry Topics

A load tap changer (LTC) failure can be catastrophic to the electric power system. The load tap changer (LTC) is one of the few moving parts of a transformer, and this makes it more susceptible to routine wear and tear. When an LTC fails, it may take the transformer with it. Based on our experience, we estimate that about 40 …

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