Q4: A. 50-kVA ideal transformer has 800 turns on the primary and 60 turns on the secondary winding. The primary is connected to 2000- V, 50-Hz supply. Find the full-load primary and secondary currents, the secondary electromotive force, and the maximum flux in the core. R is 20 ohm considering

Q4: A. 50-kVA ideal transformer has 800 turns on the primary and 60 turns on the secondary winding. The primary is connected to 2000- V, 50-Hz supply. Find the full-load primary and secondary currents, the secondary electromotive force, and the maximum flux in the core. R is 20 ohm considering

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 3.28MCQ

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Concept explainers

Single Phase Transformer

A single-phase transformer is a type of power transformer. It is an electrical device that accepts converts the single phase alternating power into single phase alternating power. In this power conversion the voltage is stepped up or down. If the voltage is stepped up, the current will be stepped down and if the voltage is stepped down, the current will be stepped up.

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Q4:
A. 50-kVA ideal transformer has 800 turns on the primary and 60 turns on the secondary winding. The primary is connected to 2000-
V, 50-Hz supply. Find the full-load primary and secondary currents, the secondary electromotive force, and the maximum flux in the
core.
B. In the shunt generator shown in figure below What should the armature current if the rheostat resistance R is 20 ohm considering
voltage 200 V on the terminals.

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