Learn how to test a transformer: insulation resistance, TTR, winding resistance, polarity, continuity, and dielectric checks.

Motors and transformers are some of the most reliable pieces of equipment installed at power plants. However, inadequate maintenance can result in trouble. While regular testing and skilled evaluation ...

The electric power industry is always looking for the best approach to better determine and continually track the condition of power transformers. It is important to understand the need for and value ...

Transformer manufacturers and field operators have always benefited when new technologies are applied during design, manufacturing, commissioning, and operational processes that improve the quality ...

I’m sure many readers would question why anyone would want to perform a relatively expensive insulation power factor test on an inexpensive transformer. Typically, if any testing is done, it will be ...

The recent installation of an impulse voltage generator at a local transformer manufacturing facility in Heidelberg is a substantial investment that the company hopes will provide an important service ...