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Single Phase Induction Motor :

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The construction of a single phase induction motor Is very similar to that of a 3 phase induction motor.....

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Single phase motors are classified according to the methods of starting used for them.....

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The losses in an induction motor can be classified as.....

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An alternating field produced by the stator winding can be represented by sum of two revolving fields of equal magnitude and are rotating in opposite.....

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Consider a single-phase induction motor having a single-phase winding on the stator. The rotor is squirrel cage type. When a single-phase.....

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The induction motor like a transformer is singly energized device. The stator and rotor of an induction motor can be compared to.....

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The Torque, T of an induction motor is proportional to the product of stator flux per pole (φ), rotor current (I) and the power factor of the.....

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We know the equation for torque from Torque equation of induction motor.....

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Circle diagram is a graphical method to analyse the performance of a 3-phase induction motor. Although it is.....

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The equivalent circuit of an induction motor is similar to a transformer equivalent circuit because the energy is transferred from stator to rotor is.....

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This test is similar to the No-Load test on a transformer. The purpose of this test is to determine the no-load losses, no-load power factor and.....

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This test is similar to short circuit test on a Transformer. The purpose of this is to determine the total resistance ( R01 ) and reactance ( X01 ) of.....

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The relation between synchronous speed, supply frequency and the number of stator poles is given by.....

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As the rotor rotating, the magnitude of rotor induced emf ( proportional to relative speed between stator rotating field and rotor speed ) is.....

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Induction motor converts an electrical power supplied to it into mechanical power. The various stages in this conversion is called as power.....

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The curve obtained by plotting torque against slip is called torque-slip characteristics of the induction motor.....

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Three Phase Induction Motor :

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Stator construction is similar to the stator of a synchronous machine. The stator consists of Stator core, Stator frame and Stator winding.....

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A 3-phase induction motor is a constant speed motor just like a D.C shunt motor. However, speed of induction can be varied.....

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At start, the magnitude of rotor induced emf is maximum as slip. This emf circulates very high current through the rotor. The induction motor acts.....

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The various types of starters used for starting 3-phase induction motor are Full Voltage Starting :

(i). Direct on line (D.O.L) starter.....

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The starting torque in a squirrel cage motor is small because of its low rotor resistance and there is no way to insert external resistance as the.....

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The majority of the induction machines used today are operated as induction motors. Use of induction machines as induction generators.....