Difference Between Squirrel Cage And Wound Rotor Induction Motor Pdf
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/ bhanu chaitanya Describe difference between constrution of SLIPRING and SQURREL cage motor.? The windings on the rotor of a squirrel cage motor is comprised of aluminum (or sometimes copper) bars embedded in the steel laminations of the rotor. The ends of the rotor bars are shorted together by rings at each end of the rotor. There is no external electrical connection to the rotor. The bar and ring structure looks like an exercise wheel for a pet squirrel. The rotor of a slip-ring motor is wound with wire coils.
In slip ring induction motors the rotor is wound type. In the motor the slip rings, brushes are provided. Compared to squirrel cage rotor the rotor construction is not simple. Cylindrical laminated core rotor is wound for as the number of poles of the stator. At starting the 3 phase windings are.
The ends of the windings are connected to revolving joint so that resistors or other circuitry can be inserted in series with the rotor coils through carbon brushes that slide on the slip-rings allowing an electrical connection with the rotating coils. That covers the difference in construction. Other details of construction are essentially the same for both types of motor. Edit 1 The above information refers to two types of induction motors. Synchronous AC motors also have Pan Cake Slip Rings through which the rotor winding is energized by a direct current.
There is no such thing as a slipring motor. There is either a squirreal cage or wound-rotor motor for induction machines. Tom perrotta author. Is this wat u meant? Go here and follow the references at the bottom of the page. The slip ring is a form of squirrel cage motor The Super Miniature Slip or wound rotor motor is an induction machine where the rotor comprises a set of coils that are terminated in sliprings to which external impedances can be connected. The stator is the same as is used with a standard squirrel cage motor. Explain M Var?
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