Q2. R-0.03, L-20mH, and k 2.13Vs/rad. The motor is supplied from a buck/boost DC-DC converter. The D

Q2. R-0.03, L-20mH, and k 2.13Vs/rad. The motor is supplied from a buck/boost DC-DC converter. The DC input voltage is Vac-500v and the switching frequency is fw 5kHz. The parameters of a separately excited DC motor are: aCalculate the output voltage of DC/DC converter, where the motor is driving a load with armature current of 150A at 876.5rpm b. The duty cycle and on-time and off-time of the upper IGBT c.Assuming the rotational losses negligible. Find the speed of the motor if the load torque is 490Nm and duty cycle is 0.45 T1 A D1 T2 D2

 

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