Dc motor is a kind of motor that converts direct current energy into mechanical energy, and has good speed regulation performance, so it is widely used in electric driving. If the excitation method can be divided into permanent magnet, he excitation, self-excitation three types, of which self-excitation can be divided into parallel excitation, series excitation, compound excitation three. Then here is a simple understanding of the working principle of DC motors with Senli Motor Xiaobian requirements!

       Dc motor according to the energized conductor in the magnetic field force principle to operate work, that is, in the electrical foundation of the left hand rule, the rotor of the motor is wrapped in a coil, through the current, the stator as a magnetic field coil also through the current, generating stator magnetic field, the current of the rotor coil in the stator magnetic field, will generate electric power, to promote the rotor rotation. The rotor current is connected to the DC power supply through a carbon brush on the commutator.

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