2 decimal places A 200 KVA, single phase two-winding transformer rated 4160/230V, 60 Hz has primary and second impedances of 0.09 + j 0.9 ohmsand 0.02 + j 0.2 ohms respectively. The full-load copper loss ismeasured to be 5000 W during operations. The core loss is 650 Wwhen a voltage of 2200 V, 50 Hz is applied to the transformer and210 W at 1200 V, 25 Hz. Calculate:a.b.C.The core loss at normal operation and the maximumand full-load efficiency both at 0.9 power factor.The percent voltage regulation when connected as anautotransformer, full-load 0.8 power factor lagging. Alsocompute current at the common winding.The two-winding percent regulation when the powerfactor is 0.7 leading.d.If another 100-KVA, 60 hz, single phase is connected inparallel with it to supply a load of 250 KVA, 0.8 powerfactor lagging. The primary and secondary impedancesof the new transformer is 0.085 + j 0.25 ohms and 0.035+j 0.22 ohms respectively.horing of each transformerou

We have to Answer the following questiona. The core loss at normal operation and the maximum and…

A 200 KVA, single phase two-winding transformer rated 4160/ V, 60 Hz has primary and second impedances of 0.09 + j 0.9 ohms and 0.02 + j 0.2 ohms respectively. The full-load copper loss is measured to be 5000 W during operations. The core loss is 650 W when a voltage of 2200 V, 50 Hz is applied to the transformer and 210 W at 1200 V, 25 Hz. Calculate: a. The core loss at normal operation and the maximum and full-load efficiency both at 0.9 power factor. b. The percent voltage regulation when connected as an autotransformer, full-load 0.8 power factor lagging. Also compute current at the common winding. The two-winding percent regulation when the power factor is 0.7 leading. C. in

A 200 KVA, single phase two-winding transformer rated 4160/ V, 60 Hz has primary and second impedances of 0.09 + j 0.9 ohms and 0.02 + j 0.2 ohms respectively. The full-load copper loss is measured to be 5000 W during operations. The core loss is 650 W when a voltage of 2200 V, 50 Hz is applied to the transformer and 210 W at 1200 V, 25 Hz. Calculate: a. The core loss at normal operation and the maximum and full-load efficiency both at 0.9 power factor. b. The percent voltage regulation when connected as an autotransformer, full-load 0.8 power factor lagging. Also compute current at the common winding. The two-winding percent regulation when the power factor is 0.7 leading. C. in

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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