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Classification of DC motor

Time: 2011-02-17 15:09:07
  DC to DC motor is to convert the mechanical energy of the motor. DC excitation mode refers to how the field winding power supply, resulting in excitation potential and create the main magnetic flux problem.
  According to the different excitation modes, DC motor can be divided into the following types:
  1. Excited DC motor - no field winding and armature winding connection relationship, and by the other DC power supply for field winding excited DC motor as direct current machine. Permanent magnet DC motor can also be viewed as excited DC motor.
  2. Shunt DC motor - DC motor shunt field windings in parallel with the armature windings. As a shunt generator, is sent to the end of the motor itself, the field winding voltage power supply; as a shunt motor, the field winding and armature share the same power, from the performance perspective with the same excited DC motor.
  3. Series DC machine - series DC machine field winding in series with the armature winding, draw a line in the DC power supply. The DC motor field current is the armature current.
  4. Compounding DC - DC motor with compound excitation shunt and two series excitation field winding. If the series excitation winding magnetomotive force produced with the shunt winding magnetomotive force produced by the same direction as product compounding. If the two magnetomotive force in the opposite direction, is called differential compound excitation.
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