A single-phase semiconverter controls a DC motor. The ac supply voltage to the armatureand field converter is 208V, 60 Hz. The field current is set to the maximum possible value.The armature resistance is Ra = 0.25 N, the field resistance is Rf = 147 Q, and the motorvoltage constant is Ky = 0.7032 V/A rad/s. The load torque = 45 Nm at 1000 rpm. Assumingcontinuous current determine (a) the field current If (b) the delay angle of the converter inthe armature a,, and (c) the input power factor of the armature circuit converter.Q7.

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A single-phase semiconverter controls a DC motor. The ac supply voltage to the armature and field converter is 208V, 60 Hz. The field current is set to the maximum possible value. The armature resistance is R, = 0.25 N, the field resistance is Rf = 147 N, and the motor voltage constant is Kv = 0.7032 V/A rad/s. The load torque = 45 Nm at 1000 rpm. Assuming continuous current determine (a) the field current If (b) the delay angle of the converter in the armature a,, and (c) the input power factor of the armature circuit converter.

A single-phase semiconverter controls a DC motor. The ac supply voltage to the armature and field converter is 208V, 60 Hz. The field current is set to the maximum possible value. The armature resistance is R, = 0.25 N, the field resistance is Rf = 147 N, and the motor voltage constant is Kv = 0.7032 V/A rad/s. The load torque = 45 Nm at 1000 rpm. Assuming continuous current determine (a) the field current If (b) the delay angle of the converter in the armature a,, and (c) the input power factor of the armature circuit converter.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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