Electronics > Beginners
Motor control boards
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Explodey:
Hi everyone! I have this big ol' motor (picture attached) that someone gave me years ago, and I've just been sitting on it, figuring that eventually I'll have a need a powerful motor. So I think I finally might have such a need -- to power a pinch roller assembly. But I've never worked with an AC motor like this one, so before I try to give it some juice, I thought I'd take advantage of all the big brains here at EEV. From the specs printed on the motor, it looks like I could just connect an AC signal directly from the wall. But I actually need to be able to adjust the speed and reverse the direction. When I've worked with DC motors in the past, I've had good luck by using a motor speed control board like this one, https://ebay.us/BYh5bT along with a polarity-reversing rocker switch. But I'm not sure if there would be an analogous board for an AC motor, and I definitely don't know how you would reverse the direction when you're working with AC.
Anyway, would it be simpler for me to just get a different motor? I guess I'm just hoping to find a way to rationalize hanging on to this big paperweight for all this time! ;D
Thanks!
MosherIV:
Hi.
Yes, looks like you just connect it to 110V mains. Make sure you use a fuse.
I do not think you can control speed or direction.
Yes, you can get controllers for AC motors, they are called Inverters (at least in UK). As far as I know they are only for 3 phase motors.
The motor you have is for single phase. The device on the side of the motor is a capacitor, it is there to create a phase difference and that 'alternate phase' is used for another winding on the motor. AC motors need either a phase difference or a rotating phase to start.
Explodey:
Alrighty, well thanks for your reply. I think I'll just buy a DC motor then. Cheers!
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