Q. 15 A 3-phase squirrel cage induction motor supplied from a balanced 3-phase source drives a mechanical load. The torque-speed characteristics of the motor(solid curve) and of the load(dotted curve) are shown. Of the two equilibrium points A and B, which of the following options correctly describes the stability of A and B ?
(A) A is stable, B is unstable
(B) A is unstable, B is stable
(C) Both are stable
(D) Both are unstable
Answer:(A)
Explanation:
