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 Electrical Machine. Show all posts
Showing posts with label Electrical Machine. Show all posts
What is hunting in synchronous machine?/Phase Swinging/Surging
With the extensive use of synchronous machines, the importance of thoroughly investigating the influence of electrical constants such as res...Read More
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
Necessity of Connecting Alternator in Parallel
For high efficiency of operation, reliability, convenience and economy in maintenance and repair and possibility of additions to plant with ...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
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
Cogging And Crawling of Induction Motor
Induction Motor Photo Credit - www.wikipedia.com Crawling It has been found that induction motor practically this squirrel cage type ,somet...Read More
Torque Speed Characteristics Of Double Cage Induction Motor
Torque speed characteristics of Double cage induction motor The main disadvantage of squirrel cage motor is poor starting torque because of...Read More
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