Answer / guru

The Speed of the SLIP RING Induction motor is defined by
its no. of poles available in the Stator only. The rotor
windings are used to avoid a high starting current(Like in
Squirrel Cage Induction Motor) ( Thats why rotor resistance
starter are used in SLIP RING INDUCTION motors and also to
increase the torque.

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Hello friends., my question is related to testing of current transformer... A Ct having knee point voltage of 750 volts., and I have two step up transformer's of rating 230 v to 440 volts., can I obtain the value of 750 volts by using the two transformer's.... If yes then how could I connect the transformer's to obtain knee point voltage?? thank you in advance

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