![]() Pulsating fields, not rotating fields and pulsating fields do not produce torque. Indicates a problem, single phase supplies produce ![]() the cross product of flux densities will be zero, the motor produces no torque. In the diagram above, both the stator and rotor flux densities will act in the y-direction. The voltage induced in the rotor circuits willĬause a current to flow, producing a flux density to oppose change in the stator flux linking theĬircuit. If an ac supply is connected to the stator winding, a pulsating flux density willīe produced, which will link the rotor circuits. ![]() The significant difference is, of-course, that there is only aĬonsider the motor schematic shown in Fig. Of a three phase motor: an ac windings is placed on the stator, short-circuited conductors are Single phase induction motors generally have a construction similar to that
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