(b) A single-phase power source feeds a 180 kVA 20 kV/2.4 kV transformerthrough a line impedance of (38.2 +j140) N. The transformer's equivalentimpedance referred to L.T. side is (0.25 + j1) Q. The load on the transformeris 190 kW at 0.9 pf lagging and 2300 V. Calculate: (i) The voltage at thepower source. (ii) The voltage regulation of the transformer. (iii) Theefficiency of the overall power system.

Answered: Image /qna-images/answer/aba9d89c-7a3e-4529-9a8a-96ca7d594d1f.jpg

(b) A single-phase power source feeds a 180 kVA 20 kV/2.4 kV transformer through a line impedance of (38.2 +j140) 2. The transformer's equivalent impedance referred to L.T. side is (0.25 + j1) N. The load on the transformer is 190 kW at 0.9 pf lagging and 2300 V. Calculate: (i) The voltage at the power source. (ii) The voltage regulation of the transformer. (iii) The efficiency of the overall power system.

(b) A single-phase power source feeds a 180 kVA 20 kV/2.4 kV transformer through a line impedance of (38.2 +j140) 2. The transformer's equivalent impedance referred to L.T. side is (0.25 + j1) N. The load on the transformer is 190 kW at 0.9 pf lagging and 2300 V. Calculate: (i) The voltage at the power source. (ii) The voltage regulation of the transformer. (iii) The efficiency of the overall power system.

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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