Open- and short-circuit test has been performed of a synchronous machine 45-kVA, three- phase, Y-connected, 220-V (line-to-line), six-pole, 50-Hz. The following data are taken from the open- and short-circuit characteristics : From the open-circuit characteristic: Line-to-line voltage = 220 V Field current = 2.84 A From the air-gap line: Field current = 2.20 A Line-to-line voltage = 202 V From the short-circuit characteristic: Field current = 2.20 A Armature current = 118 A Field current = 2.84 A Armature current = 152 A Find the unsaturated value of the synchronous reactance and its saturated value at rated voltage. *

Open- and short-circuit test has been performed of a synchronous machine 45-kVA, three- phase, Y-connected, 220-V (line-to-line), six-pole, 50-Hz. The following data are taken from the open- and short-circuit characteristics : From the open-circuit characteristic: Line-to-line voltage = 220 V Field current = 2.84 A From the air-gap line: Field current = 2.20 A Line-to-line voltage = 202 V From the short-circuit characteristic: Field current = 2.20 A Armature current = 118 A Field current = 2.84 A Armature current = 152 A Find the unsaturated value of the synchronous reactance and its saturated value at rated voltage. *

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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