Electronics > Beginners
What this motor type?
Cos-Phi:
Dear Guys,
I have a motor from my washing machine. I don't know what kind of this motor. Is it induction motor or Synchronous motor? and why the rotor's winding is serially connected to the stator's winding? and i can change the rotation direction by exchanging the rotor's winding.
i have googling for find what type of this motor, but i haven't sure. Thankyou for your answering
Zero999:
It's neither an induction motor nor a synchronous motor. It's a universal motor.
https://en.wikipedia.org/wiki/Universal_motor
Yes, the direction can be changed by reversing the connections to the armature (not rotor), but it might not run as efficiently, if it's only designed to run in one direction.
langwadt:
universal
https://www.testandmeasurementtips.com/basics-of-universal-electric-motors/
Cos-Phi:
Thank you very much for answering.
so, it is better to run in DC?
in the washing machine, this motor was controlled by TRIAC BTB12-600 Series.
well, thank you very much..
Benta:
As people say, a universal motor.
Note the round thing on the end (left side of the photo)? That's the tacho generator, which you'll need for speed control.
It was very usual to use the TDA1085C IC (now obsolete) together with a triac to control this type of motor.
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