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function of soft starter .

Answer Posted / anees ur rehman

Soft starter consists of thyristers but at the time of
motor starting it limits the current 4 times.(normally at
DOL motor takes current 7--8 times.Instead of it where the
power source is limited normally VFD is used which starts
the motor from 0-1-2......50 Hz.i-e current starts from 0
and increases slowly as frequency increases per Hz.So VFD
is more better than soft starter.

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