Question is ⇒ A 3 phase induction motor is controlled by voltage and frequency control such that the ratio V/<i>f</i> is constant. At 50 Hz, the starting torque is 100 N-m. At 25 Hz, the starting torque, Options are ⇒ (A) will be less than 100 N-m, (B) will be more than 100 N-m, (C) may be more or less than 100 N-m depending on motor parameters, (D) very small, (E) , Leave your comments or Download question paper.

Question is ⇒ A 3 phase induction motor is controlled by voltage and frequency control such that the ratio V/<i>f</i> is constant. At 50 Hz, the starting torque is 100 N-m. At 25 Hz, the starting torque, Options are ⇒ (A) will be less than 100 N-m, (B) will be more than 100 N-m, (C) may be more or less than 100 N-m depending on motor parameters, (D) very small, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	A 3 phase induction motor is controlled by voltage and frequency control such that the ratio V/f is constant. At 50 Hz, the starting torque is 100 N-m. At 25 Hz, the starting torque
A.	will be less than 100 N-m [Wrong Answer]
B.	will be more than 100 N-m [Correct Answer]
C.	may be more or less than 100 N-m depending on motor parameters [Wrong Answer]
D.	very small [Wrong Answer]
View Answer 1 -2 Explanation:- Answer : B Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

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