(b) A 50 kVA, 20,000/480 V, 60 Hz transformer has been tested to determine the equivalent circuit. The results of the tests are shown below: Open-circuit test (measures on secondary side) Voc= 480 V loc= 4.1 A Short- circuit test (measured on primary side) Vsc= 1130 V Isc= 1.30 A Poc= 620 W Psc= 550 W Find the elements of the excitation branch referred to the secondary side.
(b) A 50 kVA, 20,000/480 V, 60 Hz transformer has been tested to determine the equivalent circuit. The results of the tests are shown below: Open-circuit test (measures on secondary side) Voc= 480 V loc= 4.1 A Short- circuit test (measured on primary side) Vsc= 1130 V Isc= 1.30 A Poc= 620 W Psc= 550 W Find the elements of the excitation branch referred to the secondary 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 3.10P: A single-phase step-down transformer is rated 13MVA,66kV/11.5kV. With the 11.5 kV winding...
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![(b) A 50 kVA, 20,000/480 V, 60 Hz transformer has been tested to determine the equivalent circuit.
The results of the tests are shown below:
Open-circuit test (measures on
secondary side)
Voc= 480 V
Short- circuit test (measured
on primary side)
Vsc= 1130 V
loc= 4.1 A
Poc= 620 W
Isc= 1.30 A
Psc= 550 W
Find the elements of the excitation branch referred to the secondary side.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6f50f961-b590-4eb3-9a14-6ed820a97b12%2Fcf9cbb37-19a8-4fff-a5e7-c60bb152f9ff%2Fkqpxupi_processed.png&w=3840&q=75)
Transcribed Image Text:(b) A 50 kVA, 20,000/480 V, 60 Hz transformer has been tested to determine the equivalent circuit.
The results of the tests are shown below:
Open-circuit test (measures on
secondary side)
Voc= 480 V
Short- circuit test (measured
on primary side)
Vsc= 1130 V
loc= 4.1 A
Poc= 620 W
Isc= 1.30 A
Psc= 550 W
Find the elements of the excitation branch referred to the secondary side.
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