As a senior transformer consulting engineer at Doble Engineering Co., Dom Corsi has had the opportunity to inspect transformer factories around the world. He has witnessed the manufacturing of both ...

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 oil, serving both as an insulating medium and a cooling agent, plays a decisive role in transformer performance ...

Among the various diagnostic methods used to assess transformer condition, capacitance and Tan Delta testing has gained broad ...

Last month's Code Calculations article covered transformer calculation definitions and some specifics of delta transformer calculations. This month we turn our attention to the differences between ...

Have you ever wondered why some low-voltage (115-V) power-consuming devices burn out too often? It could be because they are wired to a “high” or “wild” power leg of a voltage supply. These devices ...

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 ...

Violations of the National Electrical Code (NEC) regarding transformers are often encountered while performing electrical plan reviews. There are far too many NEC requirements to explain in just one ...

Global Industry Prospects and Transformative Trends The power transformer sector is currently experiencing its most substantial change since decades, driven by changes to how energy is produced, ...