Distribution transformers must adhere to NEC and NFPA 70 standards, with specific requirements for overcurrent protection, ...

Transformers and power transmission lines at a power distribution yard August 18, 2003 in Des Plaines, Illinois. Westrafo will build medium, high-voltage transformer plant in Trotwood, Ohio, with ...

Q: The percent impedance of a transformer is also the voltage drop of the transformer at full load. What is the voltage drop of a transformer at various other load levels, i.e. 25%, 50%, 75% or in ...

Elsco Transformers reports that choosing the right transformer size involves calculating kVA based on voltage and current for ...

When comparing the kilovolt-amp demand loading on Southern Company substations with the actual connected transformer nameplate kVA, it was apparent that, on average, the distribution transformers were ...

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 ...

Each turbine in a wind farm is equipped with a step-up transformer, which boosts (steps up) turbine generator output voltage from a few hundred volts to the collector system’s medium voltage ...

A current transformer (CT) is a simple, practical and inexpensive means of detecting the presence of AC current. Detecting load current rather than applied voltage is a superior method of determining ...

Patna, April 16: Patna Electric Supply Undertaking (Pesu) has identified 274 spots in the state capital where cases of frequent burning of distribution transformers have been reported. “We have ...