7.4.1

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  • 7.4.1

    1. 1. ! ! !
    2. 2. Find the speed at which the magnetic field of a two pole machine rotates around the stator, when the machine is connected to a 50 Hz supply. 50 Hz = 50 cycles per second Therefore the speed of rotation = 50 revolutions per second = 50 x 60 revolutions per minute = 3000 r/min.

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