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Why We Need to Install a Starter with a Motor?
Motors below 1 Hp is directly connect without starter because their armature resistance is very high.
They have ability to afford the high current due to high resistance.
So the Armature winding safe from the high starting current.
But a large size of motors has a very low armature resistance.
If connect this type of motor direct to Supply (3-phase Supply) then the large current will destroy the armature wading due to low resistance
They have ability to afford the high current due to high resistance.
So the Armature winding safe from the high starting current.
But a large size of motors has a very low armature resistance.
If connect this type of motor direct to Supply (3-phase Supply) then the large current will destroy the armature wading due to low resistance