Answered: A 3.5 kV / 120V, 50 Hz, single phase…

A 3.5 kV / 120V, 50 Hz, single phase transformer is to have an approximate e.m.f per turn of 33 and operate with a maximum flux density of 1.35T. Determine,

Electrical Transformers and Rotating Machines

4th Edition

ISBN:9781305494817

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter9: Single-phase Loads For Three-phase Transformers

Section: Chapter Questions

Problem 8RQ

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Question

A 3.5 kV / 120V, 50 Hz, single phase transformer is to have an approximate e.m.f per turn of 33
and operate with a maximum flux density of 1.35T. Determine,
(a) The number of primary and secondary turns.
(1+1) Marks
(b) The cross sectional area of the core.

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