Motor winding machine manufacturers4/1/2024 The construction of a brushless motor system is typically similar to a permanent magnet synchronous motor (PMSM), but can also be a switched reluctance motor, or an induction (asynchronous) motor. This control system is an alternative to the mechanical commutator (brushes) used in many conventional electric motors. The controller adjusts the phase and amplitude of the DC current pulses to control the speed and torque of the motor. It uses an electronic closed loop controller to switch DC currents to the motor windings producing magnetic fields which effectively rotate in space and which the permanent magnet rotor follows. The two coils on the printed circuit board interact with six round permanent magnets in the fan assembly.Ī brushless DC electric motor ( BLDC motor or BL motor), also known as an electronically commutated motor ( ECM or EC motor) or synchronous DC motor, is a synchronous motor using a direct current (DC) electric power supply.
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