Permanent Magnet Motor | eBooks | Science

Permanent Magnet Motor

Permanent Magnet Motor pmm Instant Download Price
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$ 7.00 USD
Alternative Technologies
Buy and Download Description Conventional electric motors use magnetic forces to produce either rotative or linear motion. Electric motors operate on the principle that when a conductor is located in a magnetic field which carries current a magnetic force is exerted on it. The magnetic fields created by electromagnetics may employ attraction, repulsion, or both types of magnetic forces, to cause rotation. Conventional electric motors may employ permanent magnets, but the use of permanent magnets require the creation of an electromagnetic field to act upon the field produced by the permanent magnets, and switching means are used to control the energization of the electromagnets and the orientation of the magnetic fields, to produce the motive power. Switching functions are common in a conventional electric motor where electrical current is used to align the iron pole pieces and concentrate the magnetic field at the proper places to give the thrust necessary to move the motor. In order to accomplish the switching function in a permanent magnet motor, it is necessary to shield the magnetic leakage so that it will not appear at the wrong places. The best way to accomplish this is to use the magnetic flux and concentrate it where it will be the most effective. Timing and switching can be achieved in a permanent magnet motor by concentrating the flux and using the proper geometry to make most effective use of the magnetic fields. By the proper combination of materials, geometry and magnetic concentration, it is possible to achieve a mechanical advantage, capable of producing a continuous motive force. By utilizing ferro magnetic and other materials as a source of power, producing motors without any electron flow, as in normal motors is possible. The magnetic flux created by the magnets is controlled and concentrated to control the speed of the motor to do useful work. The timing and orientation of magnetic forces produced by permanent magnets to produce a motor is accomplished with the proper geometrical relationship of these components. Plans only. Conventional electric motors use magnetic forces to produce either rotative or linear motion. Electric motors operate on the principle that when a conductor is located in a magnetic field which carries current a magnetic force is exerted on it. The m
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