Application Characteristics Of Permanent Magnet Synchronous And Brushless Dc Motors For Servo Drives

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Application Characteristics Of Permanent Magnet Synchronous And Brushless Dc Motors For Servo Drives. The rotor has a DC armature with commutator segments and brushes. A brushless DC electric motor also known as electronically commutated motor and synchronous DC motors are synchronous motors powered by direct current electricity via an inverter or switching power supply which produces electricity in the form of alternating current to drive each phase of the motor via a closed loop controller.

Brushless Dc Motors Part I Construction And Operating Principles Edn
Brushless Dc Motors Part I Construction And Operating Principles Edn from www.edn.com

The permanent magnet synchronous motor can integrally mount the motor on the axle to form an integral direct drive system that is one axle is a drive unit eliminating one gearbox. The controller provides pulses of current to the motor windings that control the speed and torque of the motor. A brushless DC motor consists of a rotor in the form of a permanent magnet and stator in the form of polyphase armature windings.

Application characteristics of permanent magnet synchronous and brushless DC motors for servo drives Abstract.

Permanent magnet synchronous motors are similar to brushless DC motors. Working Principle of DC Servo Motor. As with brushed motors the rotating magnets passing the stator poles create a back EMF in the stator windings. They both have permanent magnets on the rotor and require alternating stator currents to produce constant torque.