A six pole, 400 V d.c. motor draws 110 A from the supply. The shunt field resistance is 200 Ohm and the armature resistance is 0.5 Ohm. The armature is wave wound with 600 conductors operates at a speed of 1200 rev/min when supplying full load.
RATING: 40 kW
POLES: 6
VOLTAGE: 400 V
CURRENT: 110 A
SPEED: 1200 rev/min
CONNECTION: SHUNT
Calculate back emf of the motor.