Hello Gerard and friends
Here is a simple version/idea for the electronics buffs.
You can pay $20 per PWM or more. Finding a PWM the handles
160vdc on the output is what you will need to run the motor
at the full voltage. Ebay has one. This is square wave PWM
circuitry. Most single channel PWM's stop at 48vdc and are as
little as $5 each putting your project at 3 X $5 plus $5 SCR = $20
This is not a full diagram. This is a cheap version and not as efficient
as the more expensive ones.
Here is a simple version/idea for the electronics buffs.
You can pay $20 per PWM or more. Finding a PWM the handles
160vdc on the output is what you will need to run the motor
at the full voltage. Ebay has one. This is square wave PWM
circuitry. Most single channel PWM's stop at 48vdc and are as
little as $5 each putting your project at 3 X $5 plus $5 SCR = $20
This is not a full diagram. This is a cheap version and not as efficient
as the more expensive ones.
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