Electrical Machines 2.3 please round off to 2 decimal places 2.3 A single-phase, 2KVA, 240/110 V transformer gave the following test results, whichwere taken with the supply connected to the 240 V winding.Open-circuit test: 240 VShort-circuit test:35 W30 W0.95 A8 V8.0 ADetermine the following:(a) The per unit voltage regulation when the transformer delivers full-load currentat a power factor of 0.9 lagging.(b) The % full load efficiency at the same power factor as in (a).

A transformer is an electrical machine which is used in AC circuit to either step up or step down…

Answered: (a) The per unit voltage regulation…

(a) The per unit voltage regulation when the transformer delivers full-load current at a power factor of 0.9 lagging. (b) The % full load efficiency at the same power factor as in (a).

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 3.16P: A single-phase, 50-kVA,2400/240-V,60-Hz distribution transformer has the following parameters:...

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Electrical Machines 2.3 please round off to 2 decimal places

2.3 A single-phase, 2KVA, 240/110 V transformer gave the following test results, which
were taken with the supply connected to the 240 V winding.
Open-circuit test: 240 V
Short-circuit test:
35 W
30 W
0.95 A
8 V
8.0 A
Determine the following:
(a) The per unit voltage regulation when the transformer delivers full-load current
at a power factor of 0.9 lagging.
(b) The % full load efficiency at the same power factor as in (a).

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