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How Electromagnets Work Free Essay, Term Paper and Book Report

Electromagnets I have learned that a permanent magnet pulsed DC electromagnet motor generator for the production of electric power. The source or input for the electric power is the magnetic flux of neodymium permanent magnets. The device consists of a motor, a generator, commutation and a circuit. The motor consists of permanent magnets fixed to a rotor. The stator employs pulsed DC electromagnets. The permanent magnets and the electromagnets are arranged around the rotor and stator opposing each other. As the permanent magnet rotor rotates, the permanent magnets are attracted to the iron core of the electromagnets. When the permanent magnets are slightly passed the center of the electromagnets, a short duration pulse of DC power is supplied to the electromagnets. This causes the permanent magnets to be repelled by the like polarity magnetic flux of the electromagnets. As the rotor rotates the attraction and repulsion of the permanent magnets and electromagnets provide torque to a common axel shared with the generator and commutator. When the primary pulse to the electromagnet en......

Word Count: 1115
Page Count: 4.4  (250 words a page / double spaced)


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