What is the answer for Question 14 14Open- 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 theopen- and short-circuit characteristics :From the open-circuit characteristic:Line-to-line voltage = 220 V Field current = 2.84 AFrom the air-gap line:Field current = 2.20 AFrom the short-circuitField current = 2.20 AField current = 2.84 ALine-to-line voltage = 202 Vcharacteristic:Armature current = 118 AArmature current = 152 AFind the unsaturated value of the synchronous reactance and its saturated value at rated*voltage.

Unsaturated synchronous reactance is calculated using Vph on airgap line and armature current at…

14 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 Line-to-line voltage = 202 V From the air-gap line: Field current = 2.20 A From the short-circuit characteristic: Field current = 2.20 A Armature current = 118 A Armature current = 152 A Field current = 2.84 A Find the unsaturated value of the synchronous reactance and its saturated value at rated voltage. *

14 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 Line-to-line voltage = 202 V From the air-gap line: Field current = 2.20 A From the short-circuit characteristic: Field current = 2.20 A Armature current = 118 A Armature current = 152 A Field current = 2.84 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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