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Basic principles

Basic principles

Basic principles
               2-pole PMDC motor
               2-bar commutator
               2-conductors (1-loop coil) simple armature.
                According to Biot-Savart Law and left-hand rule,
               armature runs in CCW direction.
               Disadvantage:Dead points exist. 
              
It is a simple but unpractical motor. (Figure 5) 



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