**Problem Statement:**A 100 kVA, 1000 V / 10,000 V, 50 Hz, single-phase transformer has an iron loss of 1200 W. Find the maximum efficiency at 0.8 power factor lagging if the copper loss is 500 W with 6 A in the high voltage winding. Also, calculate the corresponding regulation if the equivalent leakage referred to HV is 10 ohms.**Analysis:**This problem involves calculating the maximum efficiency of a transformer and its voltage regulation based on the given parameters. The transformer has specific losses and an equivalent leakage, requiring an understanding of transformer efficiency and voltage regulation concepts.

This is basic question based on the transformer.

Answered: A 100 kVA, 1000 V/10,000 V, 50 Hz,…

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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Question 2. Consider a 10 KVA, 200/400 V, 50 Hz single-phase transformer has the following test results: O.C. test: 200 V, 0.6 A, 63 W (L.V. side) S.C. test : 20 V, 25 A, 85 W (H.V. side) Determine : i) The efficiency at 75 % of full-load at 0.9 leading power factor. ii) The secondary terminal voltage on fiull-load at unity power factor.
In a 100-kVA, 6,000/400-V, Y-Y, 3-ph, 50-Hz transformer, the copper loss is measured at 5000 W during half-load. Apparently, the maximum efficiency also occurs at ¾ full-load, find the efficiencies of the transformer at full-load and at half-load both at 0.8 pf
Please ? help o have no knowledge in this field With explanations
The test results of a 5 kVA, 400/200 V, 50 Hz, single phase transformer are as follows. O.C. Test: 400 V, 1 A, 50 W, H.V. side S.C. Test: 12 V, 12.5 A, 60 W, H.V. side Find the full load efficiency and regulation when the power factor is 0.8 lagging.
The efficiency of a 400 kVA, 1-phase transformer is 95 % when delivering full load at 0.8 power factor, and 97% at half load and unity power factor. Calculate the full load copper loss.
6- A 600 kVA, 1-ph transformer has an efficiency of 92 % both at full- load and half-load at unity power factor. Determine its efficiency at 60 % of full load at 0.8 power factor lag.
A 600 kVA transformer has a primary winding resistance of 0.60 and a secondary winding resistance of 0.002 Q. The iron loss is 2.6 kW and the primary and secondary voltages are 6 kV and 330 V respectively. If the power factor of the load is 0.8, determine the efficiency of the transformer (i) on full load, and (ii) on half load.
A 600KVA transformer has a primary winding resistance of 0.452 and secondary winding resistance 0.00292. The iron loss is 2.5kW and the primary and secondary voltages are 5kV and 320V respectively. If the power factor of the load is 0.90, determine the efficiency of the transformer for the following conditions: i. Full load ii. 80% of full load
What is the difference between the pins under number 1 and the pins under number 4, and mention when we can use pins under number 1 and when we can use pins under number 4? 1 MADE IN ITALY DIGITAL (PWM-) OO UNO 10 2 ARDUINΟ -3 9. ANALOG IN 8. 6. AS E
If a 50-turn transformer winding has a 120-V rms applied voltage, and if the peak coupling flux is 20 mWb, find the frequency of the applied voltage.
A 100 kVA distribution transformer has an iron loss of 2.0 kW and a total load copper loss of 4.5 kW. During the day this transformer supplies a load of 80 kW at 0.8 power factor for 5 hours, a load of 42.5 kW at 0.85 power factor for 9 hours, a load of 21 kW at 0.7 power factor for 4 hours and the rest of the time the load is zero. So find its energy efficiency.

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