Answered: A 13800 / 480 V, 3-phase transformer…

A 13800 / 480 V, 3-phase transformer bank is connected as a wye-delta configuration. What must be the turns ratio of each transformer?

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

Chapter3: Power Transformers

Section: Chapter Questions

Problem 3.65P: Reconsider Problem 3.64 with the change that now Tb includes both a transformer of the same turns...

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Question

SUBJECT:
Elements of Electrical Machines Design

INSTRUCTIONS:
- Please write clearly and understandable way.
- Write all the corresponding Given with their corresponding symbols and units.
- Draw/Illustrate the diagram/circuit or drawings that is related to the problem, IF POSSIBLE, which is HIGHLY REQUIRED.
- Solve in step-by-step, no shortcut
- Underline twice the Final Answer.

PROBLEM:
A 13800 / 480 V, 3-phase transformer bank is connected as a wye-delta configuration. What must be
the turns ratio of each transformer?

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