Determine the primary line current of the following three phase circuit using a 5:1step-down wye-t0-delta wired transformer.5:1480VLino In4160VessVa30Vuna277VVunoPrimarySecondaryO 7.4 AO 2.7AO 1.07AO 5.1A2401V

Converting the star connection of resistance to delta we get (By star delta conversion ) value of…

Determine the primary line current of the following three phase circuit using a 5:1 step-down wye-to-delta wired transformer. 5:1 LUno In 4160V 480V 2401V Vuna Vuno 277VE30 Primary Secondary O 7.4 A O 2.7A O 1.07A O 5.1A O o o o

Determine the primary line current of the following three phase circuit using a 5:1 step-down wye-to-delta wired transformer. 5:1 LUno In 4160V 480V 2401V Vuna Vuno 277VE30 Primary Secondary O 7.4 A O 2.7A O 1.07A O 5.1A O o o o

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter8: Symmetrical Components

Section: Chapter Questions

Problem 8.3P

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Concept explainers

Three-Phase Transformers

Three-segment transformers are a type of transformer used to transform voltages of electrical systems into three ranges. Two type transformers are shell-type transformer and core type transformer. In brief, it could be described because of the exquisite kinds of configurations.

Transformer

Ever since electricity has been created, people have started using it in its entirety. We see many types of Transformers in the neighborhoods. Some are smaller in size and some are very large. They are used according to their requirements. Many of us have seen the electrical transformer but they do not know what work they are engaged in.

Question

Determine the primary line current of the following three phase circuit using a 5:1
step-down wye-t0-delta wired transformer.
5:1
480V
Lino In
4160V
ess
Va
30
Vuna
277V
Vuno
Primary
Secondary
O 7.4 A
O 2.7A
O 1.07A
O 5.1A
2401V

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