Abstract: In order to build a tram-train transport system, it is necessary to have a rail vehicle capable of running off both 3300Vdc railway electric overhead lines and 600Vdc tramway overhead lines.

HF radios often use toroidal transformers and winding them is a rite of passage for many RF hackers. [David Casler, KE0OG] received a question about how they work and answered it in a recent video ...

Alpha-Core introduces the Model HBC-2 turns counter, a precision instrument that accurately counts the number of turns of magnet wire in toroidal and other types of core transformers. The HBC-2 also ...

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 ...