Gate EE-2006 Question Paper With Solutions

Q. 39  The speed of a 4-pole induction motor is controlled by varying the supply frequency while maintaining the ratio of supply voltage to supply frequency (V/f) constant. At rated frequency of 50 Hz and rated voltage of 400 V its speed is 1440 rpm. Find the speed at 30 Hz, if the load torque is constant

(A) 882 rpm

(B) 864 rpm

(C) 840 rpm

(D) 828 rpm

Answer:(C)

Explanation:

Gate EE-2006 Question Paper With SolutionsGate EE-2006 Question Paper With Solutions

Learn More:   Gate EE-2017-2 Question Paper With Solutions

LEAVE A REPLY

Please enter your comment!
Please enter your name here