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7. The following data were obtained when a 25 kVA, 2300/460 V, 50 Hz transformer was subjected to open- circuit test: Eoc = 460 V, loc = 1.48 A and Poc = 460 W. Determine the (a) resistance representing the core loss, (b) magnetizing reactance of the core and (c) magnetizing current. (15 pts)

7. The following data were obtained when a 25 kVA, 2300/460 V, 50 Hz transformer was subjected to open- circuit test: Eoc = 460 V, loc = 1.48 A and Poc = 460 W. Determine the (a) resistance representing the core loss, (b) magnetizing reactance of the core and (c) magnetizing current. (15 pts)

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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Subject: Electrical Apparatus and Devices
7. The following data were obtained when a 25 kVA, 2300/460 V, 50 Hz transformer was subjected to open- circuit test: Eoc = 460 V, loc = 1.48 A and Poc = 460 W. Determine the (a) resistance representing the core loss, (b) magnetizing reactance of the core and (c) magnetizing current. (15 pts)
Transcribed Image Text:7. The following data were obtained when a 25 kVA, 2300/460 V, 50 Hz transformer was subjected to open- circuit test: Eoc = 460 V, loc = 1.48 A and Poc = 460 W. Determine the (a) resistance representing the core loss, (b) magnetizing reactance of the core and (c) magnetizing current. (15 pts)
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