What are the advantages and disadvantages of Induction Motors? Advantages: It is simple and rugged in construction It is relatively cheap Induction motors require less maintenance Induction motor has high
Squirrel Cage Induction Motor: Squireel cage induction motors are widely used in industries. Almost 70% of the industrial motors and drives comes under these category. In Squirrel cage induction motors, rotor windings wound in squirrel cage. These
Salient Pole Synchronous Alternator: Salient pole Generators will have large diameter and short axial length Pole shoes cover 2/3 of the pitch Salient Poles are laminated in order to reduce eddy currents
Operation principle of synchronous machine is quite similar to dc machine. However difference exists in the synchronous machine as there is no need to rectify the time varying emf generated
Advantages: High Starting torque with low starting current. Maximum starting can be attained in the slip ring motor compared to squirrel cage motor by inserting an external resistance in each
Advantages of Squirrel-Cage Induction Motors The advantages of squirrel-cage motors compared with the slip ring induction motors are given below (i) They are more robust and cheaper (ii) Comparatively they have higher efficiency
Induction Motor: 3 phase induction motor is self starting. Self starting torque is generated hence no special means is required for starting of Induction motor. It is to be remembered
Induction Motor: Almost 70% of the machines used in industries now a days are 3 phase induction motors. It works on the principle of induction where electro-magnetic field (emf) is induced in
Starting Current in Induction Motor: Starting current of induction motor is as high as 5 to 7 times the normal full load current. Therefore different starting of induction motor, methods
Requirements of parallel operation of alternators: The alternators which are to be operated in parallel should meet the following requirements so as to make the operation successful. Requirements are: Two
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