1.THE FOLLOWING INFORMATION IS GIVEN IN CONFECTION WITH TEST PERFORMED ON A 25 KVA, 2400/240 V, 60 CYCLE TRANSFORMER. OC TEST:240 V, 250 W SC TEST:72 V, 380W, 10.14 A CALCULATE THE EFFICIENCY (%) AT 1-5 TIMES RATED KVA, 0.866 LAG.

1.THE FOLLOWING INFORMATION IS GIVEN IN CONFECTION WITH TEST PERFORMED ON A 25 KVA, 2400/240 V, 60 CYCLE TRANSFORMER. OC TEST:240 V, 250 W SC TEST:72 V, 380W, 10.14 A CALCULATE THE EFFICIENCY (%) AT 1-5 TIMES RATED KVA, 0.866 LAG.

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

Chapter4: Transmission Line Parameters

Section: Chapter Questions

Problem 4.8MCQ: An ac resistance is higher than a dc resistance. True False

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Concept explainers

Electrical Heating Unit

The conversion of electrical energy to heat energy is known as electric heating. The heating system that converts the electrical energy to heat energy for various application is called electrical heating unit. Electricity is employed as the firing mechanism in electric heating systems, which transforms electric current to heat. Electric heaters have heating elements in the form of electric resistors.

Question

3. THE FOLLOWING INFORMATION IS GIVEN IN CONFECTION
WITH TEST PERFORMED ON A 25 KVA 2400/240 V, 60 CYCLE
TRANSFORMER.
OC TEST:240 V, 250 W
SC TEST:72 V, 380W, 10.14 A
CALCULATE THE EFFICIENCY (%) AT 1-5 TIMES
RATED KVA, 0.866 LAG.

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