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The permanent magnet dc motor generally operates on 6 v 12 v or 24 volts dc supply obtained from the batteries or rectifiers the interaction between the axial current carrying rotor conductors and the magnetic flux produced by the permanent magnet results in the generation of the torque the circuit diagram of the pmdc is shown below. The magnetic field is established by using a magnet you can use different types of magnets it may be an electromagnet or it can be a permanent magnet a permanent magnet dc motor or pmdc motor is a type of dc motor that uses a permanent magnet to create the magnetic field required for the operation of a dc motor. How to connect the fan wire easy to understand fan coil connector 5 wire condenser fan motor wiring diagram simplest 3 speed ac fan running capacitor cha. As a generator dc motors are typically constructed with a field circuit in order to produce magnetic flux in a magnetic material such as ferrite however one variation of a dc motor is the permanent magnet dc motor which has no brushes and has permanent magnets on the stator or rotor this fact allows the motors to be