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1. Principle of the solid-rotor induction motor
In 1884, the Italian Ferraris formulated the principle of the solid-rotor induction motor as follows:
To produce torque on a freely rotating armature, it must be subjected to two alternating fluxes:
which are not in phase with each other in time;
which are applied to the armature at two different points, aligned according to the direction of the desired movement.
This principle is illustrated in figure 1 where we see symbolically represented two elementary induction fluxes b 1 and b 2 creating elementary currents i 1...
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Principle of the solid-rotor induction motor
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