Electric Motor
Internal losses that reduce efficiency of a DC generator
There are four internal losses that contribute to lower efficiency of a DC generator. Copper losses Eddy-current losses Hysteresis losses Mechanical losses Copper loss is the power lost as heat in the windings; it is caused by the flow of… Read more
Feb 03, 2012 | By Edvard Csanyi
Electric Motor
Three phase induction motors – Operating principle
An electric motor converts electrical energy into a mechanical energy which is then supplied to different types of loads. A.c. motors operate on an a.c. supply, and they are classified into synchronous, single phase and 3 phase induction, and special… Read more
Feb 03, 2012 | By Henry James
Electrical Lectures
About Permeability And Permitivity
The strength of electric field or electrostatic force strength or intensity of field (all synonymous terms) is measured & expressed in terms of force experienced by unit positive charge placed in sphere of influence of another source charge, which has… Read more
Feb 01, 2012 | By Asif Eqbal
