R. Fehr

Ecmweb 2124 309ecm18fig1

The Basics of AC Motors

Sept. 1, 2003
Powering industry since replacing the steam engine From tiny hysteresis motors that drive electric clocks to huge synchronous motors that develop more than 50,000 hp, the alternating...
Ecmweb 2015 308ecm18fig1

The Basics of Transformers

Aug. 1, 2003
By raising and lowering voltage levels, transformers make power systems versatile.
Ecmweb 6269 306ecm18fig1

The Basics of Parallel Circuits

June 1, 2003
Components in parallel share current, but not necessarily equally.