Transformers are static electrical devices with no moving parts, transforming electrical power from one voltage and current setting to another. The frequency of the electrical current remains constant ...

Note: This article is based on the 2020 NEC. A transformer transfers electrical energy (power) from one system to another by induction, with no physical connection between the two systems (other than ...

Q: I have several On30 locomotives with Digital Command Control (DCC), but was recently gifted a passenger set that has a direct-current (DC) locomotive. If some DCC locomotives are sitting on the ...

Is your power plant financially prepared for a generator step-up (GSU) transformer failure? As one of the vital components of a power generation facility, GSUs are the interface between the power ...

Whenever a power or distribution transformer is isolated from the power system, it is probable that residual magnetism remains in the core due to the phase shift. However, residual magnetism also ...

This article is based on the 2014 Edition of the National Electrical Code (NEC). All you wanted to do was install a 30kVA, 120/208V transformer to supply receptacles in a new office structure on the ...

Imagine going to your local hardware store and seeing a new kind of hammer on the shelf. You’ve heard about this hammer: It pounds faster and more accurately than others, and in the last few years ...

An explosion, a fireball and then darkness: Heathrow Airport uses as much energy as a small city, and when a major fire at a substation caused the power to fail late Thursday, the world learned how ...