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Qu'est-ce (qui) est DC motor - définition
DC motor
![A brushed DC electric motor generating torque from DC power supply by using an internal mechanical commutation. Stationary permanent magnets form the stator field. Torque is produced by the principle that any current-carrying conductor placed within an external magnetic field experiences a force, known as Lorentz force. In a motor, the magnitude of this Lorentz force (a vector represented by the green arrow), and thus the output torque,is a function for rotor angle, leading to a phenomenon known as [[torque ripple]]) Since this is a two-pole motor, the commutator consists of a split ring, so that the current reverses each half turn ( 180 degrees).](https://commons.wikimedia.org/wiki/Special:FilePath/Ejs Open Source Direct Current Electrical Motor Model Java Applet ( DC Motor ) 80 degree split ring.gif?width=200 "A brushed DC electric motor generating torque from DC power supply by using an internal mechanical commutation. Stationary permanent magnets form the stator field. Torque is produced by the principle that any current-carrying conductor placed within an external magnetic field experiences a force, known as Lorentz force. In a motor, the magnitude of this Lorentz force (a vector represented by the green arrow), and thus the output torque,is a function for rotor angle, leading to a phenomenon known as [[torque ripple]]) Since this is a two-pole motor, the commutator consists of a split ring, so that the current reverses each half turn ( 180 degrees).")
![Pennsylvania Railroad's class DD1 locomotive]] running gear was a semi-permanently coupled
pairing of third rail direct current electric locomotive motors built for the railroad's initial New York-area electrification when steam locomotives were banned in the city (locomotive cab removed here).](https://commons.wikimedia.org/wiki/Special:FilePath/PRR DD1 running gear.jpg?width=200 "Pennsylvania Railroad's class DD1 locomotive]] running gear was a semi-permanently coupled
pairing of third rail direct current electric locomotive motors built for the railroad's initial New York-area electrification when steam locomotives were banned in the city (locomotive cab removed here).")
TYPE OF MOTOR WHICH WORKS ON DIRECT CURRENT AND MAGNETIC POLES
Dc motor; DC Motor; Dc motors; Direct-current motor; Direct current motor; Cumulative compound motor
A DC motor is any of a class of rotary electrical motors that converts direct current (DC) electrical energy into mechanical energy. The most common types rely on the forces produced by magnetic fields.
Brushless DC electric motor
![DC brushless [[ducted fan]]. The two coils on the printed circuit board interact with six round permanent magnets in the fan assembly.](https://commons.wikimedia.org/wiki/Special:FilePath/2-coil 10-blade DC brushless motor.jpg?width=200 "DC brushless [[ducted fan]]. The two coils on the printed circuit board interact with six round permanent magnets in the fan assembly.")
![external rotor]] motor weighs 5 g and consumes approximately 11 W.](https://commons.wikimedia.org/wiki/Special:FilePath/Brushless-Motor-DUM60.jpg?width=200 "external rotor]] motor weighs 5 g and consumes approximately 11 W.")
![fan]]; the rotor has been removed.](https://commons.wikimedia.org/wiki/Special:FilePath/Poles.jpg?width=200 "fan]]; the rotor has been removed.")
SYNCHRONOUS ELECTRIC MOTOR POWERED BY AN INVERTER
Brushless DC motor; Brushless Motor; Brushless DC Electric Motor; Brushless motor; BLDC; Brushless motors; Brushless dc motor; DC brushless motor; Brushless electric motor; Electronically commutated motor; Brushless DC motors; Brushless dc electric motor; EC motor; Brushless DC; ECM Motor; Electronically Commutated Motor; Inverter motor; BLDC motor
A 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. It uses an electronic controller to switch DC currents to the motor windings producing magnetic fields which effectively rotate in space and which the permanent magnet rotor follows.
Brushed DC electric motor
A brushed DC electric motor is an internally commutated electric motor designed to be run from a direct current power source and utilizing an electric brush for contact.
