Q2(a) A separately excited DC motor is fed from a 230 V, 50 Hz supply via a single-phase, half-controlled bridge rectifier. Armature parameters are inductance 0.06 H, resistance 0.3 N, the motor voltage constant is Ky = 0.9 V/A rad/s and the field resistance is R = 104 Q. The filed current is controlled by semiconverter and is set to the maximum possible value. The load torque is TL = 50 N-m at 800 rpm. The inductances of the armature and field circuits are sufficient to make the armature and filed current continuous and ripple free. Determine the
Q2(a) A separately excited DC motor is fed from a 230 V, 50 Hz supply via a single-phase, half-controlled bridge rectifier. Armature parameters are inductance 0.06 H, resistance 0.3 N, the motor voltage constant is Ky = 0.9 V/A rad/s and the field resistance is R = 104 Q. The filed current is controlled by semiconverter and is set to the maximum possible value. The load torque is TL = 50 N-m at 800 rpm. The inductances of the armature and field circuits are sufficient to make the armature and filed current continuous and ripple free. Determine the
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Transcribed Image Text:Q2(a) A separately excited DC motor is fed from a 230 V, 50 Hz supply via a single-phase,
half-controlled bridge rectifier. Armature parameters are inductance 0.06 H,
resistance 0.3 N, the motor voltage constant is Ky = 0.9 V/A rad/s and the field
resistance is Rf = 104 Q. The filed current is controlled by semiconverter and is set
to the maximum possible value. The load torque is TL = 50 N-m at 800 rpm. The
inductances of the armature and field circuits are sufficient to make the armature and
filed current continuous and ripple free. Determine the
Transcribed Image Text:(i) field current
(ii) firing angle of the converter in the armature circuit
(iii)input power factor of the armature circuit converter.
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