Slip Ring Motors, Slip Ring Induction Motors, Manufacturers Of Precision Electric Motors, AMF Panels, Thane, India  
       
 
Slip Ring Motors, Slip Ring Induction Motors, Manufacturers Of Precision Electric Motors, AMF Panels, Thane, India
 
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SLIP RING INDUCTION MOTORS


" MOTCO " make Slipring Induction Motors are nearly the same as normal Induction motors, except that their rotors are wound with windings.
SLIP RING INDUCTION MOTORS
Features:-
Rating 2.2kw till 7.5kw
Power supply 3 Phase, 415V AC Supply.
Mounting B3 Foot mounted, B5.
Duty S1 Continuous.
Cooling IC01 Self Fan cooled.
Frame 112, 132.
Starting Rotor resistance start

When three phase potential is applied to the stator winding a rotating magnetic field will travel around the inside of the stator core in indentically the same manner as in a squirrel cage induction Motor.  The speed of the rotating magnetic field is dependent on the number of stator poles and the frequency of the supply source.

This synchronous speed is found using the formula S = 120F ÷ P.

As the rotating field travels at synchronous speed, it cuts the wound rotor winding and induces voltages in 
these winding.

On starting, all the resistance of Rotor resistance starter is inserted in the circuit.  With the increase in resistance in the Rotor circuit the impedance increases and therefore it might appear as though the rotor current would be less with the a resultant decrease in torque.  This results in maximum interaction between the two field and a strong starting torque.

As the motor accelerated, steps of resistance are cut out of the Rotor resistance starter controller with all resistance cut out, the rotor slip ring are short circuited and the motor operate at rated speed in the same manner as a squirrel cage induction Motor.

"MOTCO" group provides AC Drives of Siemens & ABB along with its complete control panel with MCB, indications, meters, push buttons & contactors enclosed in powder coated cabinet. Panels complete with automation with micro-processors & plcs are also undertaken.
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