What is basic difference between Soft Starters And VFD
drives?
Answer Posted / mani
VFD is adjustable speed drives.if u vary the pot value,it
can change frequency from 0 to 50 hz,limit amp value.as you
wish.you give information put on VFD,whether its rotate
clockwise and anticlockwise rotation of motor.speed =120f/p.
VFD----convert-ac to dc then dc to ac. then connect motor.
SS-----it has thyristor, connect with motor.its reduced
starting current.but its soft start &soft stop.
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