A 480V/240V transformer has a rated current of 45 amps on the low voltage side. 1. Find the rated current on the high voltage side. 2. Find the Power rating S in VA 3. Find the Base Impedance on the high voltage side. 4. Find the Base Impedance on the low voltage side. 5 Find the ratio of the hace impedances and rolato it to the turns ratio

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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A 480V/240V transformer has a rated current of 45 amps on the low voltage side.
1. Find the rated current on the high voltage side.
2. Find the Power rating S in VA
3. Find the Base Impedance on the high voltage side.
4. Find the Base Impedance on the low voltage side.
5. Find the ratio of the base impedances and relate it to the turns-ratio.
6. Find the estimated winding resistance of the primary winding in Ohms.
7. Find the estimated winding resistance of the secondary winding in Ohms.
8. Find the estimated leakage reactance of the primary winding in Ohms.
9. Find the estimated leakage reactance of the secondary winding in Ohms.
10. Find the estimated magnetizing reactance of the primary side in Ohms.
Transcribed Image Text:A 480V/240V transformer has a rated current of 45 amps on the low voltage side. 1. Find the rated current on the high voltage side. 2. Find the Power rating S in VA 3. Find the Base Impedance on the high voltage side. 4. Find the Base Impedance on the low voltage side. 5. Find the ratio of the base impedances and relate it to the turns-ratio. 6. Find the estimated winding resistance of the primary winding in Ohms. 7. Find the estimated winding resistance of the secondary winding in Ohms. 8. Find the estimated leakage reactance of the primary winding in Ohms. 9. Find the estimated leakage reactance of the secondary winding in Ohms. 10. Find the estimated magnetizing reactance of the primary side in Ohms.
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