Topic

motor theory

4 videos. Ranked by independent recommendations, not by views.

1. 

   1 DC MOTORS AND GENERATORS

   PublicResourceOrg 5 people · 6 months · since Sept 2012

   A US Department of Defense training film on DC motors and generators, praised for building intuition better than most lectures.

2. 

   2 AC MOTORS

   ElectroBOOM 4 people · 4 months · since May 2019

   ElectroBOOM's explainer on AC motors, passed along for general motor questions and cited by one reader as the inspiration for building a motor.

3. 

   3 back emf explained

   PhysicsHigh 3 people · 3 months · since Feb 2017

   Pointed to as an explanation of back EMF in DC motors, useful for understanding why running current falls and why motor drivers need a protective diode.

4. 

   4 ASYMMETRY TO ENLIGHTENMENT

   ufopolitics 3 people · 3 months · since Jan 2014

   An explanation of a motor build nicknamed the witch, recommended for learning about back EMF and motor theory, though one commenter treats it as a warning.