Use Microcontrollers to Control The High Power AC Motors

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sabri

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I use the PIC family microcontrollers to control the low power DC motors.
In this case ,I use the Magnetic-Relay to join the microcontroller low power pulse to the DC motors electric power.Now i want to use the AC powerfull motors.
Pls guide me to use the Triac & Optocoupler & other parts to control the Power AC motors.
With thanks.
 

Control of DC motors is relatively ease.
With AC Motors it is a different story.
If you would like me to I can go into more detailed explenation..but:
My shortes advice is this: get yourself the cheapest Variable Speed Drive with serial port (RS-232 or RS-484) and through this serial port you can take full controll over 3 phase AC motor including soft start, speed ramp up and down, torque,....etc.
 

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    sabri

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Yes I know that
But I want use this type of controller in a package with other equipment.
Your Advice is usefull when I want control just one AC motor.
 

sabri said:
Yes I know that
But I want use this type of controller in a package with other equipment.
Your Advice is usefull when I want control just one AC motor.
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What is your AC motor? Single phase or 3-phase? Induction or PMSM? Pls advise.
 

I want use Single phase 220Volt motor
 

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