The values of a phase measured from the no-load (no load) operation and short circuit test of a 220/48 V phase transformer are given in the table below. By applying nominal voltage to the high voltage (primary) winding, the low voltage (secondary) winding ends were left unloaded and the results of the no-load operation test were obtained. By applying nominal current to the low voltage windings, the high voltage windings were short-circuited, and the results of the short circuit test were obtained . In addition, 5 V direct voltage is applied to the high voltage winding, and the transformer draws 2.2 A direct current . Calculate all equivalent circuit elements moved to the high voltage side.
The values of a phase measured from the no-load (no load) operation and short circuit test of a 220/48 V phase transformer are given in the table below. By applying nominal voltage to the high voltage (primary) winding, the low voltage (secondary) winding ends were left unloaded and the results of the no-load operation test were obtained. By applying nominal current to the low voltage windings, the high voltage windings were short-circuited, and the results of the short circuit test were obtained . In addition, 5 V direct voltage is applied to the high voltage winding, and the transformer draws 2.2 A direct current . Calculate all equivalent circuit elements moved to the high voltage side.
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter30: Dc Motors
Section: Chapter Questions
Problem 6RQ: What is CEMF?
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The
values of a phase measured from the no-load (no load) operation and short circuit test of a 220/48 V phase transformer are given in the table below. By applying nominal voltage to the high voltage (primary) winding, the low
voltage (secondary) winding ends were left unloaded and the results of the no-load operation test were obtained. By
applying nominal current to the low voltage windings, the high voltage windings were short-circuited, and the results of the short circuit test were obtained
. In addition, 5 V direct voltage is applied to the high voltage winding, and the transformer
draws 2.2 A direct current . Calculate all equivalent circuit elements moved to the high voltage side.
Transcribed Image Text:Idle run test
voltage
power
current
natahor
220 V
80 W
0.44 A
Short circuit test
voltage
power
current
12 V
65 W
16,1 A
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