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Brushless DC electric motor
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A brushless DC electric motor, also known as an electronically commutated motor, is a synchronous motor using a direct current electric power supply. It uses an electronic controller to switch DC curr
The motor from a 3.5 in floppy disk drive. The coils, arranged radially, are made from copper wire coated with blue insulation. The rotor (upper right
The motor from a 3.5 in floppy disk drive. The coils, arranged radially, are made from copper wire coated with blue insulation. The rotor (upper right) has been removed and turned upside-down. The gray ring inside its cup is a permanent magnet. This particular motor is an outrunner, with the stator inside the rotor.
DC brushless ducted fan. The two coils on the printed circuit board interact with six round permanent magnets in the fan assembly.
DC brushless ducted fan. The two coils on the printed circuit board interact with six round permanent magnets in the fan assembly.
The four poles on the stator of a two-winding single-phase brushless motor. This is part of a computer cooling fan; the rotor has been removed.
The four poles on the stator of a two-winding single-phase brushless motor. This is part of a computer cooling fan; the rotor has been removed.
A microprocessor-controlled BLDC motor powering a micro radio-controlled airplane. This external rotor motor weighs 5 g and consumes approximately 11
A microprocessor-controlled BLDC motor powering a micro radio-controlled airplane. This external rotor motor weighs 5 g and consumes approximately 11 W.
Synchronous motor
Videos
A synchronous electric motor is an AC electric motor in which, at steady state, the rotation of the shaft is synchronized with the frequency of the supply current. Synchronous motors use permanent mag
Brushless DC electric motor
…A brushless DC electric motor (BLDC), also known as an electronically commutated 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…
Miniature synchronous motor used in analog clocks. The rotor is made of a permanent magnet.
Miniature synchronous motor used in analog clocks. The rotor is made of a permanent magnet.
Small synchronous motor with integral stepdown gear from a microwave oven
Small synchronous motor with integral stepdown gear from a microwave oven
Single-phase 60 Hz 1800 RPM synchronous motor for a Teletype machine, non-excited rotor type, manufactured from 1930 to 1955
Single-phase 60 Hz 1800 RPM synchronous motor for a Teletype machine, non-excited rotor type, manufactured from 1930 to 1955
Externally excited motor, 1917. The exciter is on the left.
Externally excited motor, 1917. The exciter is on the left.