A Square wave mode PM BLOC motor has 0.12 Nm/A torque constant. The supply voltage is 48 V DC

(a) What is the no load speed of the motor in min ^-1 ?

(b) Calculate the stall current and stall torque when the armature resistance is 0.15 CT/phase and the

total voltage drop of the transistors is 2 V.

Answer rating: 100% (QA)

a We know that T KI V KN Given torque constant K 012 NmA The ... View the full answer