I need a solution within 15 minutes Determine the generated EMF through the phasor diagram and Saturated equivalent circuitparameters (armature resistance and synchronous reactance).A three-phase, 1200 HP, 2300 V, 60 Hz, synchronous machine has R = 0.2 2 Whenoperated with the mechanical load disconnected with rated voltage and frequency, the fieldcurrent is adjusted until line current has a minimum value. At this point, a = 22.1 A themeasured input power is r =17.5 kW, and the measured field circuit values are '=276 Vand = 53.2 A(a) Determine the rotational losses (core losses plus friction and windage) for this machine.(b) If the field current, frequency, and impressed terminal voltage are unchanged, but amechanical load 600H.P is attached to the machine which changed the armature current la=130.07A Determine the machine efficiency.

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A three-phase, 1200 HP, 2300 V, 60 Hz, synchronous machine has R. =022 When operated with the mechanical load disconnected with rated voltage and frequency, the field current is adjusted until line current has a minimum value. At this point,= 22.1 A the measured input power is =17.5 KW, and the measured field circuit values are =276 V and = 53.2 A (a) Determine the rotational losses (core losses plus friction and windage) for this machine. (b) If the field current, frequency, and impressed terminal voltage are unchanged, but a mechanical load 600H.P is attached to the machine which changed the amature current la =130.07A Determine the machine efficiency.

A three-phase, 1200 HP, 2300 V, 60 Hz, synchronous machine has R. =022 When operated with the mechanical load disconnected with rated voltage and frequency, the field current is adjusted until line current has a minimum value. At this point,= 22.1 A the measured input power is =17.5 KW, and the measured field circuit values are =276 V and = 53.2 A (a) Determine the rotational losses (core losses plus friction and windage) for this machine. (b) If the field current, frequency, and impressed terminal voltage are unchanged, but a mechanical load 600H.P is attached to the machine which changed the amature current la =130.07A Determine the machine efficiency.

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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