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The following results are provided from OC and SC tests on a 50 KVA, 1000/200 V, A-Y, 3 – p transformer: Open circuit test on the low-voltage side Vline_oc = 300 V Iline_oc = 3.0 A P30 _oc = 500 W Short circuit test on the high-voltage side Vline_sc = 600 V Iline_SC = 1.5 A sc = 700 W P34

The following results are provided from OC and SC tests on a 50 KVA, 1000/200 V, A-Y, 3 – p transformer: Open circuit test on the low-voltage side Vline_oc = 300 V Iline_oc = 3.0 A P30 _oc = 500 W Short circuit test on the high-voltage side Vline_sc = 600 V Iline_SC = 1.5 A sc = 700 W P34

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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Problem The following results are provided from OC and SC tests on a 50 KVA, 1000/200 V, A-Y, 3 – p transformer: Short circuit test on the high-voltage side Vline_sc = 600 V Iline sc = 1.5 A Open circuit test on the low-voltage side 300 V Vline_oc = Iine_Oc %3D 3.0 А РЗф _ос 3 500 W P34 _sc = 700 W a) Find the per-phase equivalent circuit referred to the primary-voltage level. b) Find transformer power efficiency when a balanced A-connected 30 load of Z j100 2 per-phase is connected to the transformer. Assume the rated line voltage of 1000V is applied to the primary. c) What is the voltage regulation in part b? 300 +
Transcribed Image Text:Problem The following results are provided from OC and SC tests on a 50 KVA, 1000/200 V, A-Y, 3 – p transformer: Short circuit test on the high-voltage side Vline_sc = 600 V Iline sc = 1.5 A Open circuit test on the low-voltage side 300 V Vline_oc = Iine_Oc %3D 3.0 А РЗф _ос 3 500 W P34 _sc = 700 W a) Find the per-phase equivalent circuit referred to the primary-voltage level. b) Find transformer power efficiency when a balanced A-connected 30 load of Z j100 2 per-phase is connected to the transformer. Assume the rated line voltage of 1000V is applied to the primary. c) What is the voltage regulation in part b? 300 +
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