Q1) A A 200-KVA, 480-V, 50-Hz, Y-connected synchronous generator with a rated field current of 5 A was tested, and the following data were taken: I. Voc at the rated If was measured to be 540 V. Isc at the rated If was found to be 300 A. II. When a dc voltage of 10 V was applied to two of the terminals, a current of 25 A was measured. 1) Find the values of the armature resistance and the approximate synchronous reactance in ohms that would be used in the generator model at the rated conditions. 2) Sketch the full equivalent circuit of synchronous generator. 3) Sketch phasor diagrams for a synchronous generator (lagging.leading). 4) Explain convenient way to compare the voltage behavior of two generators ? III.

Q1) A A 200-KVA, 480-V, 50-Hz, Y-connected synchronous generator with a rated field current of 5 A was tested, and the following data were taken: I. Voc at the rated If was measured to be 540 V. Isc at the rated If was found to be 300 A. II. When a dc voltage of 10 V was applied to two of the terminals, a current of 25 A was measured. 1) Find the values of the armature resistance and the approximate synchronous reactance in ohms that would be used in the generator model at the rated conditions. 2) Sketch the full equivalent circuit of synchronous generator. 3) Sketch phasor diagrams for a synchronous generator (lagging.leading). 4) Explain convenient way to compare the voltage behavior of two generators ? III.

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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