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Q2- A 25 KVA, 2500/250 V, 50 Hz, single phase transformer gave the following reading: o.C.Test: 250V,4A, 150 W (H.V. side open) S.C. Test: 90 V, 10 A, 350 W (L.V. side shorted) Determine: i) The efficiency at half load, 0.8 lagging p.f. ii) The voltage regulation on full load, 0.8 lagging p.f. iii) ) The shunt branch parameters ( Rc, Xm)

Q2- A 25 KVA, 2500/250 V, 50 Hz, single phase transformer gave the following reading: o.C.Test: 250V,4A, 150 W (H.V. side open) S.C. Test: 90 V, 10 A, 350 W (L.V. side shorted) Determine: i) The efficiency at half load, 0.8 lagging p.f. ii) The voltage regulation on full load, 0.8 lagging p.f. iii) ) The shunt branch parameters ( Rc, Xm)

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Q2- A 25 KVA, 2500/250 V, 50 Hz, single phase transformer gave the following reading: o.C.Test: 250V,4A, 150 W (H.V. side open) S.C. Test: 90 V, 10 A, 350 W (L.V. side shorted) Determine: i) The efficiency at half load, 0.8 lagging p.f. ii) The voltage regulation on full load, 0.8 lagging p.f. iii) ) The shunt branch parameters ( Rc, Xm)
Transcribed Image Text:Q2- A 25 KVA, 2500/250 V, 50 Hz, single phase transformer gave the following reading: o.C.Test: 250V,4A, 150 W (H.V. side open) S.C. Test: 90 V, 10 A, 350 W (L.V. side shorted) Determine: i) The efficiency at half load, 0.8 lagging p.f. ii) The voltage regulation on full load, 0.8 lagging p.f. iii) ) The shunt branch parameters ( Rc, Xm)
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