A 10 MVA, three-phase, wye-connected, 60 Hz, 15 KVLL synchronous generator has armatureresistance of 0.6 02/phase and synchronous reactance of 15 2/phase.The generator is operating in stand-alone mode and delivering rated power at rated voltage to aunity power factor load.(a) Draw a neat and clearly labelled phase equivalent circuit of the stator of generator. Show onlysymbols on your phase equivalent circuit(b) Draw a neat and clearly labelled phasor diagram for the operating condition described. (c) Calculate the stator induced voltage (ELN)) when the generator is delivering rated load at ratedvoltage and unity power factor..Eo(LN)(d) If the generator is delivering full-load with a load angle of 20° and 51.26% voltage regulation,what is the load power factor?pf

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Answered: The generator is operating in…

The generator is operating in stand-alone mode unity power factor load. (a) Draw a neat and clearly labelled phase equi symbols on your phase equivalent circuit

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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Three Phase Induction Motor

The induction motor is an electric motor that runs on AC (alternating current) and it is of two type single phase motor that work on single-phase power supply and three-phase motor that work on three-phase power supply.

Question

A 10 MVA, three-phase, wye-connected, 60 Hz, 15 KVLL synchronous generator has armature
resistance of 0.6 02/phase and synchronous reactance of 15 2/phase.
The generator is operating in stand-alone mode and delivering rated power at rated voltage to a
unity power factor load.
(a) Draw a neat and clearly labelled phase equivalent circuit of the stator of generator. Show only
symbols on your phase equivalent circuit
(b) Draw a neat and clearly labelled phasor diagram for the operating condition described.

(c) Calculate the stator induced voltage (ELN)) when the generator is delivering rated load at rated
voltage and unity power factor..
Eo(LN)
(d) If the generator is delivering full-load with a load angle of 20° and 51.26% voltage regulation,
what is the load power factor?
pf

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