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Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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
Transcribed Image Text:A 20 kVA, 2500/250 V, 50HZ, single-phase transformer gave the following test result:
Open-circuit test: 250V, 1.5A, and 100 watts measured on the low voltage side
Short-circuit test: 100V, 8A, and 320 watts measured on the on high voltage side
i)
ii)
Compute the parameters of the equivalent circuits
Draw the equivalent circuit of the transformer showing all the values.
(referring to the primary side)
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- Experimental Values: 200 800 100 1002 Table - Measured Values Input voltage Input Current Output Voltage Output current Vp [V] Ip [A] Vs [V] Is [A] 5.1 0.916 15 0.166arrow_forwardName the test that you could perform on the transformer to calculate the copper winding loss Elaborate on this test to explain how you could find the copper lossarrow_forward4. Why the efficiency of the transformer is high at half load compared to full load?arrow_forward
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