Inverted Induction Motor

Inverted Induction Motor: In a wound rotor induction machine the three-phase supply can be given to the rotor windings through the slip rings and the stator terminals can be shorted (see Fig. 9.68). Such a…

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Dynamic Modelling of Induction Motor

Dynamic Modelling of Induction Motor: In general, the mechanical time-constant for any machine is much larger than the electrical time constant. Therefore, the Dynamic Modelling of Induction Motor can be simplified by neglecting the electrical…

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Isolated Induction Generator

Isolated Induction Generator: An Induction Machine can also work as a generator even if external power supply not available and it is called Isolated Induction Generator. An Isolated Induction Generator feeding a load is shown…

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Standard Types of Squirrel Cage Motors

Standard Types of Squirrel Cage Motors: To cater to the different starting and running requirements of a various industrial applications, several Standard Types of Squirrel Cage Motors are available in the market. The torque-speed characteristics…

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Double Cage Rotor Induction Motor

Double Cage Rotor Induction Motor: A rotor design, which though more expensive gives still better starting, and running performances than the deep-bar design, is the Double Cage Rotor Induction Motor. The double squirrel cage induction…

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Deep Bar Rotor Induction Motor

Deep Bar Rotor Induction Motor: In this type of Deep Bar Rotor Induction Motor construction, bars of narrow width are laid down in deep semi-enclosed  slots as shown in Fig. 9.52. The magnetic leakage flux…

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Speed Control of Induction Motor

Speed Control of Induction Motor: Stepless control of speed of induction motors cannot be carried out as efficiently and inexpensively as for dc motors. Various methods of Speed Control of Induction Motor can be visualized…

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Starting Methods of Induction Motor

Starting Methods of Induction Motor: Starting Methods of Induction Motor - At the time of starting the motor slip being unity, the load resistance with reference to the approximate circuit model of Fig. 9.23 is…

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