Answered: As the load of a 3-phase synchronous…

As the load of a 3-phase synchronous motor increases, the speed: a: Decreases b: Increases c: Does not change d: Increases then decreases

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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Question

As the load of a 3-phase synchronous motor increases, the speed:

a: Decreases

b: Increases

c: Does not change

d: Increases then decreases

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• - 1800 pm In a two pole 3-p synchronous generator, the peak flux of rotor magnetic field is o5Tand the rotor rate of rotation is 1800 rpm. The stator windings have a surface area of 0.1 m? and there are 50 turns per Bmax : 0.5T, 0.5T coil. The machine is A-connected. A: 0-1 m? N: 50 a) What is the RMS phase and line voltage of the generator? b) Write the three stator phase voltages as functions of time.