What is meant by excitation?
"Self Excited vs Magneto". Licensed under PD-US via Wikipedia Electric generators work on the principle of electromagnetic inducti...Read More
Showing posts with label DC Machine. Show all posts
Showing posts with label DC Machine. Show all posts
Torque Equation of D.C. Motor
In D.C. machine it is seen that the machine torque is uniform for given flux per pole and armature current. Torque is defined as the produc...Read More
Back E.M.F.
What is Back e.m.f. ? When the armature of a dc motor rotates under the influence of the driving torque, the armature conductor move through...Read More
Star Delta Starter
If normal supply voltage is applied to the stationary motor then a very large initial current is taken by the stator for short while. This w...Read More
Universal Motors
A universal motor is defined as a motor which may be operated on either d.c. or single phase a.c. supply at very high speed in the range of ...Read More
Commutation in DC Machine
One can be aware of the fact that emf induced into the rotating conductor or winding is always sinusoidal or alternating in nature. If the m...Read More
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