The shaft of a three-phase synchronous generator is rotating at 3000 RPM synchronous speed.This generator is supplying a load of 40 KW, 0.8 PF lagging, with an efficiency of 75 %.The copper losses are neglected.Calculate the sum PF&W + Pcore + PstrayAnswer:The sum PF&W + Pcore + Pstray is:A 2300 V, 400 HP, 50 Hz, eight-pole, 0.85 Leading PF, Y-connected synchronous motor is havinga negligible armature resistance, and a synchronous reactance of 15 2.This motor is operating at EA = 1841 Volts, and 8 = -25°.If the flux is increased by 10 % while the power is kept constant,find the new armature current and the new power factor of the motor.Answers:Magnitude of IA =PF =KW.Amp.EN

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The shaft of a three-phase synchronous generator is rotating at 3000 RPM synchronous speed. This generator is supplying a load of 40 KW, 0.8 PF lagging, with an efficiency of 75 %. The copper losses are neglected. Calculate the sum PF&W + Pcore + P stray Answer: The sum PF&W + Pcore + Pstray is: KW.

The shaft of a three-phase synchronous generator is rotating at 3000 RPM synchronous speed. This generator is supplying a load of 40 KW, 0.8 PF lagging, with an efficiency of 75 %. The copper losses are neglected. Calculate the sum PF&W + Pcore + P stray Answer: The sum PF&W + Pcore + Pstray is: KW.

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

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.16P: A single-phase, 120V(rms),60Hz source supplies power to a series R-L circuit consisting of R=10 and...

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