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Needing Help With A Circuit Control Of An Ac Single-phase Induction

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#1 Cogumelohobby


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Posted 07 May 2010 - 02:25 AM

Hi folks,

Please could someone help me to calculate the values of the electronic components
shown on the article named " Bidirectional VF Control of Single and 3-Phase
Induction Motors Using the PIC16F72 " ( Application note AN967 ) from
Microchip, in order that this circuit can be used in 220 V - 60 Hz ?

The Microchip web site address is the following :


And the application note can be found here :


I would like to use this circuit to control a single phase AC motor with
permanent capacitor , but the local power supply network where I live in Brazil
is 220 V - 60 Hz. The power of this motor is 1 / 4 W

Any help will be welcome,


Wilson R. Bastazini
From Brazil

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