Understanding motors

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YouTube Videos from Jeremy Fielding

036. How Motors Work For Beginners (Ep 1): The DC Motor

Video Outline
  • Permanent magnet DC motor (the main discussion in video) - found in a hand drill
- uses a permanent magnet and a coil of wire to carry the current
- Wikipedia: Brushed DC electric motor
  • Universal motor - found in a blender or vacuum cleaner
- these can run on both DC or AC input voltage and instead of having permanent magnets, they have 2 coils of wire.
- [https://en.wikipedia.org/wiki/Universal_motor Wikipedia: Universal motor
  • mini induction motor - found in a microwave (fan) or washing machine (water pump)
  • mini brushless DC motor - found in a computer fan
  • Induction motor (single phase or three phase)

037. How Motors Work for Beginners (Ep 2): The Generator and Universal Motor

Video Outline
- More about the permanent magnet DC motor
- Intro to the universal motors
  • universal motors are not generators since they do not have a permanent magnet.
- Quick demo of inductance motors

Other resources

How to make a very simple permanent magnet DC motor

An instructional "how to" page