Electrical Engineering ⇒ Topic : Operation of a Universal Motor
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Operation of a Universal Motor. As explained in Art. , such motors develop unidirectional torque regardless of whether they operate on D.C. or A.C. supply. The production of unidirectional Field core of a two pole universal motor torque when the motor runs on A. C. supply can be easily understood from Fig.(a). The motor works on the same principle as a D.C. motor, i.e., the force between the main pole flux and the current carrying armature conductors. This is true regardless of whether current is alternating or direct Fig.(a). Universal motor operation. | |
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