A single-phase distribution transformer has a specified 13.8 KV/ 480 V. When the transformer is excited at nominal voltage on the high voltage side, with the low voltage winding in open circuit, it takes 0.35 A and 1610 W. When the winding low voltage terminal is shorted, and 1000 V is applied to the high voltage terminals, the readings are 66 A and 382 W. Find: a) The values corresponding to the equivalent circuit of the transformer referred to the low voltage side.

A single-phase distribution transformer has a specified 13.8 KV/ 480 V. When the transformer is excited at nominal voltage on the high voltage side, with the low voltage winding in open circuit, it takes 0.35 A and 1610 W. When the winding low voltage terminal is shorted, and 1000 V is applied to the high voltage terminals, the readings are 66 A and 382 W. Find: a) The values corresponding to the equivalent circuit of the transformer referred to the low voltage side.

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 3.14P: A single-phase 50-kVA,2400/240-volt,60-Hz distribution transformer is used as a step-down...

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