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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 fields that effectively rotate in space and which the permanent magnet rotor follows. The…

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Brushless DC electric motor

Nodes106
Edges105
Triples9
Avg. degree1.98
Density0.018868
Components1

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Important terminology

motors brushless motor dc rotor torque brushed power commutator used windings speed also controller control efficiency stator applications electric use

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
graphiteinstance ofmade of a soft conductor0.80text
press against the commutatorinstance ofmade of a soft conductor0.80text
making sliding electrical contact with successive segments as the rotor turnsinstance ofmade of a soft conductor0.80text
transistors that switch current through the windingsinstance ofAn electronic sensor detects the angle of the rotor and controls semiconductor switches0.80text
either reversing the direction of the current orinstance ofAn electronic sensor detects the angle of the rotor and controls semiconductor switches0.80text
in some motors turning it offinstance ofAn electronic sensor detects the angle of the rotor and controls semiconductor switches0.80text
at the correct angle so the electromagnets create torque in one directioninstance ofAn electronic sensor detects the angle of the rotor and controls semiconductor switches0.80text
computer hard drivesinstance ofparticularly devices0.80text
CD/DVD playersinstance ofparticularly devices0.80text

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