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Question 5 A 246V d.c. source is applied across a d.c. series motor with an armature resistance of 0.20 and a field a re
Posted: Fri May 20, 2022 7:58 pm
by answerhappygod
- Question 5 A 246v D C Source Is Applied Across A D C Series Motor With An Armature Resistance Of 0 20 And A Field A Re 1 (33.52 KiB) Viewed 49 times
Question 5 A 246V d.c. source is applied across a d.c. series motor with an armature resistance of 0.20 and a field a resistance of 0.0312. At full load current of 200A, the rotational losses are measured at 1400 and full load speed being 1500rpm. a. Determine the back emf b. Determine the net output power c. Determine the efficiency of the machine d. Determine the net output torque [04 marks] [08 marks] [08 marks] [05 marks]