Answer / vinod

smooth start and stop.
no jerking of load.
exact posiitoning
better protection for motor.
high/low speed selection.
reliability of break shoe.
programmable break control.
easy circutry
reduction in controls
increases motor life

Answer / sivaramakrishnan.s

Starting current is limited mostly to 1.5 times of motor
Full load current
as there is no contactor for power control maintenance is
less

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