Why 3-phase induction motor are self-starting and 3-phase synchronous motors not?
Let us consider a 3-phase induction motor first and see how it rotates. A 3- phase supply given to the armature of Induction Motor pro...
Why different country have different voltages and frequencies?
Why different country has different voltages and frequencies? 110 volt AC or 220 volt AC voltages are used. Most countries us...
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