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[b]I need Help!!!![/b]

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Murtuza

New Member
Hi,
I am doing project of speed control of an a.c machines
by frequency control method. here the frequency of the a.c input
is changed by using the chopper cicuit.

I need the required circuit for the same ,or can any one suggest me the
site from where i can collect more information for my project.
Thanks for your help in advance.
 
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