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 ...

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 ...

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 ...

U.S. electricity consumption continues to increase almost 2% annually. As the load growth spurs calls for new power plants and transmission lines, it’s easy to forget the impact of the additional ...

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 ...

Solid-state ac supplies replace motor-generator and tap-changing transformers to offer the same tests at the push of a button • Solid-state ac-power sources combine the variable-frequency and ...

When a plant engineer must replace bus duct at a battery charging facility, the issue of overloaded neutrals comes front and center. The plant engineer at an automobile battery-charging facility ...

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 ...