Determine the torque vs. speed and torque vs. current characteristics for a separatelyexcited dc motor with the following parameters:
2.3 hp. 220 V.6oo0 rpm. Ra = 1.39ft La = 0.00181 H. Kh = 0.331 volt/rad/scc.
The machine has rated field excitation and its armature is fed a constant voltage of
220 V dc.