(a) Explain various methods of speed control of series motors. (b) An…

Previous year question for Utilization of Electrical Energy.

Question

(a) Explain various methods of speed control of series motors.

(b) An electric train is to have acceleration and braking retardation of 0.8 km/h/s and 3.2 km/h/s respectively. If the ratio of maximum to average speddi is 1.3 and time for stops 26 seconds, find schedule speed for a run of 1.5 km. Assume simplified trapezoidal speed-time curve.

Related pages

More PYQs on Types of Railway Services and Speed-Time Curves

Open on CachedInfo