amcoolalphonce amcoolalphonce

02-01-2023
Engineering

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A dc separately excited motor is supplied by 120 Vdc. The motor load is 20 hp and the motor speed is 850 rpm. The motor data are armature resistance of 0.04 Ω and field winding resistance of 100 Ω. The motor constant is 0.5 V·s/A. Calculate the required field voltage.

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