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Efficiency at full-load and half the full-load at 0.8 p.f. lagging current. Equivalent reactance referred to primary & referred to secondary..........ohm , ..........ohm Equivalent resistance referred to primary & referred to secondary..........ohm , ..........ohm Regulation of transformer at 0.5 p.f. lagging current The magnetizing current and reactance component of no-load are.........amper , .........ohm The working current and resistance component of no-load are.........amper , .........ohm *

Efficiency at full-load and half the full-load at 0.8 p.f. lagging current. Equivalent reactance referred to primary & referred to secondary..........ohm , ..........ohm Equivalent resistance referred to primary & referred to secondary..........ohm , ..........ohm Regulation of transformer at 0.5 p.f. lagging current The magnetizing current and reactance component of no-load are.........amper , .........ohm The working current and resistance component of no-load are.........amper , .........ohm *

Introductory Circuit Analysis (13th Edition)
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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Efficiency at full-load and half the full-load at 0.8 p.f. lagging current.

Equivalent reactance referred to primary & referred to secondary..........ohm , ..........ohm

Equivalent resistance referred to primary & referred to secondary..........ohm , ..........ohm

Regulation of transformer at 0.5 p.f. lagging current

The magnetizing current and reactance component of no-load are.........amper , .........ohm

The working current and resistance component of no-load are.........amper , .........ohm *

Q/ 30-kVA, 2200/220-V, 50-Hz distribution transformer is tested for efficiency and regulation as follows : O.C. test( Low voltage side ) : 220 V 4.2 A, 148 W S.C. test ( Low voltage side ) : 86 V 10.5 A, 360 W
Transcribed Image Text:Q/ 30-kVA, 2200/220-V, 50-Hz distribution transformer is tested for efficiency and regulation as follows : O.C. test( Low voltage side ) : 220 V 4.2 A, 148 W S.C. test ( Low voltage side ) : 86 V 10.5 A, 360 W
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