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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 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.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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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.
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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