A DC motor delivers power to a load at a speed of 2250.0 r/min. The armature current drawn by the motor is Ia = 15 A. The armature circuit resistance of the motor is R = 6.4 Ω and total losses are Pf = 1440.0 W. On the motor nameplate it says U = 320 V and P = 2100.0 W. a) Convert angular velocity: b) Determine voltage induced in rotor: c) Calculate the power to the motor d) Determine the mechanical power delivered by the engine:

A DC motor delivers power to a load at a speed of 2250.0 r/min. The armature current drawn by the motor is Ia = 15 A. The armature circuit resistance of the motor is R = 6.4 Ω and total losses are Pf = 1440.0 W. On the motor nameplate it says U = 320 V and P = 2100.0 W. a) Convert angular velocity: b) Determine voltage induced in rotor: c) Calculate the power to the motor d) Determine the mechanical power delivered by the engine:

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter39: Synchronous Motor Operation

Section: Chapter Questions

Problem 14SQ: Induction motors and welding transformers require magnetizing current, which causes a. lagging power...

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