engineering recuitment GATE EE 2023-24 Test Series Electrical Machines DC Motor DC Motor Speed Control
A 230 V, 250 RPM, 100 A Seperatly excited DC motor having r(a) = 0.5Ω, is connected to a 230 V supply and rated field current. The graph between load torque TL and ω (radian/sec) is shown below, Find at what speed the motor is rotating?
1
300 RPM
2
400 RPM
3
200 RPM
4
250 RPM