A single-phase full-wave controlled rectifier is connected to a 200 Vms AC voltage source to feed 26hp DC series motor. The armature circuit resistance of the motor is 0.1 2 and the series field resistance is 0.06 2. Assuming the motor input DC voltage is controlled at 250 V under all operating conditions,
A single-phase full-wave controlled rectifier is connected to a 200 Vms AC voltage source to feed 26hp DC series motor. The armature circuit resistance of the motor is 0.1 2 and the series field resistance is 0.06 2. Assuming the motor input DC voltage is controlled at 250 V under all operating conditions,
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![A single-phase full-wave controlled rectifier is connected to a 200 Vms AC voltage source to
feed 26hp DC series motor. The armature circuit resistance of the motor is 0.1 Q and the series
field resistance is 0.06 2. Assuming the motor input DC voltage is controlled at 250 V under all
operating conditions,
1. Find the firing angle of the rectifier assuming the motor is highly inductive
2. When the motor takes a current of 85A, its speed is 62.83 rad/sec, find the new motor
speed when the line current is 100A.
3. Find the developed power and torque when the motor operates at a speed of 100 rad/sec.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F55a910d8-fb78-450c-b0c7-794c12dae786%2F4867e790-ddf9-48a5-a1bf-03c7c1e1a187%2Fsg1h9es_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A single-phase full-wave controlled rectifier is connected to a 200 Vms AC voltage source to
feed 26hp DC series motor. The armature circuit resistance of the motor is 0.1 Q and the series
field resistance is 0.06 2. Assuming the motor input DC voltage is controlled at 250 V under all
operating conditions,
1. Find the firing angle of the rectifier assuming the motor is highly inductive
2. When the motor takes a current of 85A, its speed is 62.83 rad/sec, find the new motor
speed when the line current is 100A.
3. Find the developed power and torque when the motor operates at a speed of 100 rad/sec.
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