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The test results on a 100 KVA, 10000/1000 V, Y-Y 3-4 transfo

The test results on a 100 KVA, 10000/1000 V, Y-Y 3-4 transfo

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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The test results on a 100 KVA, 10000/1000 V, Y-Y 3-phase transformer are shown below: **Open circuit test on the low-voltage side** - \( V_{\text{line\_oc}} = 500 \, V \) - \( I_{\text{line\_oc}} = 4.0 \, A \) - \( P_{3\phi\_oc} = 1000 \, W \) **Short circuit test on the high-voltage side** - \( V_{\text{line\_sc}} = 1500 \, V \) - \( I_{\text{line\_sc}} = 2.0 \, A \) - \( P_{3\phi\_sc} = 1200 \, W \) Tasks: a) Find the per-phase equivalent circuit referred to the low-voltage side. b) Find the transformer's voltage regulation when a balanced Y-connected 3-phase load of \( Z = 100 + j200 \, \Omega \) per phase is connected to the transformer. Assume the rated line voltage of 10,000 V is applied to the primary.
Transcribed Image Text:The test results on a 100 KVA, 10000/1000 V, Y-Y 3-phase transformer are shown below: **Open circuit test on the low-voltage side** - \( V_{\text{line\_oc}} = 500 \, V \) - \( I_{\text{line\_oc}} = 4.0 \, A \) - \( P_{3\phi\_oc} = 1000 \, W \) **Short circuit test on the high-voltage side** - \( V_{\text{line\_sc}} = 1500 \, V \) - \( I_{\text{line\_sc}} = 2.0 \, A \) - \( P_{3\phi\_sc} = 1200 \, W \) Tasks: a) Find the per-phase equivalent circuit referred to the low-voltage side. b) Find the transformer's voltage regulation when a balanced Y-connected 3-phase load of \( Z = 100 + j200 \, \Omega \) per phase is connected to the transformer. Assume the rated line voltage of 10,000 V is applied to the primary.
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