Given: AC supply voltage to the armature and the field converters is single phase half-bridge thyristor controlled rectifier, 440V, 60 Hz. The armature resistance is Ra = 0.25Ohm, field resistance is Rf = 147Ohm, motor voltage constant of the motor is Kv=1.4 V/A rad/s. The inductance of the armature and field circuits are sufficient to make the currents continuous and ripple free. Assume all other losses negligible. If the delay angle of the armature converter is 60 degrees, and the armature current is la=45A, Find: 1. The torque developed by the motor 2. The speed 3. PF of the drive

Given: AC supply voltage to the armature and the field converters is single phase half-bridge thyristor controlled rectifier, 440V, 60 Hz. The armature resistance is Ra = 0.25Ohm, field resistance is Rf = 147Ohm, motor voltage constant of the motor is Kv=1.4 V/A rad/s. The inductance of the armature and field circuits are sufficient to make the currents continuous and ripple free. Assume all other losses negligible. If the delay angle of the armature converter is 60 degrees, and the armature current is la=45A, Find: 1. The torque developed by the motor 2. The speed 3. PF of the drive

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter12: Power System Controls

Section: Chapter Questions

Problem 12.4P

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