Thursday, August 1, 2013

VARIABLE SPEED DRIVERS

 



1.       How do you obtain smooth variation speed in AC Drivers?

Convert AC to DC and again invert to DC to AC with arrangement for smooth variation of frequency.   Equation        N=120F/P 

2.       Advantage of variable speed drivers

a)      Smooth speed variable

b)      Power saving

c)       Fulfill process requirements such as pressure, discharge, and speed.


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