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bd40bc7c7a No Load Test of Induction Motor. We know that for highly resistive winding the current is almost in phase with the voltage and for highly inductive winding the current lag behind the voltage by large angle. Starting Methods for Polyphase Induction Machine. Our aim is to create the phase difference between the two winding and this is possible if the starting winding carries high resistance. REGION 1: When the flux changes its value from zero to nearly maximum positive value In this region the rate of rise of flux and hence current is very high. PreviousNext .
Working Principle of Three Phase Induction Motor. PreviousNext . Construction is simple and robust because there is no centrifugal switch. According to Faraday's law whenever there is change in flux emf gets induced. Types of Three Phase Induction Motor. The resultant of these two current produce rotating magnetic field which rotates in one direction. Permanent Split Capacitor (PSC) Motor It has a cage rotor and stator. The disadvantages of shaded pole induction motor are Low power factor.