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Why is starter necessary for a three-phase induction motor?
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Answer Posted / sudhir
T=FLUX*I*POWER FACTOR, as time of starting s=1
so reactance is very large in comperision to
resistance(normaly is very low) for constant load(and
inertia) the power factor(theta=reactance/resistance is
large) is very less(flux is constant) so starting current
is very large so Starter is used to reduce starting current.
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