Q5-(A)- The all-day efficiency 200 KVA transformer is 96% when it is loaded follows 12 hours 8 hours 120 k w at p.f. 0.8 lag 80kw at p.f. 0.8 lag 4 hours No load If maximum efficiency of this transformer is 96.8% at 80% of load with unity p.f. Find iron loss and full load copper loss fel fil (B)- Explain briefly, How can be minimized the core lossés in transformer

Q5-(A)- The all-day efficiency 200 KVA transformer is 96% when it is loaded follows 12 hours 8 hours 120 k w at p.f. 0.8 lag 80kw at p.f. 0.8 lag 4 hours No load If maximum efficiency of this transformer is 96.8% at 80% of load with unity p.f. Find iron loss and full load copper loss fel fil (B)- Explain briefly, How can be minimized the core lossés in transformer

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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A 50Hz, single phase transformer has a ratio of N2:N1 = 0.2. On full-load, the secondary current is 200A. The resistance and reactance of the primary winding are 0.8 ohm and 4 ohm respectively. The corresponding values for the secondary winding are 0.04 ohm and 0.1 ohm. If the secondary is short circuited, what voltage must be applied to the primary to produce full-load current? What will be the copper loss?
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SOLVE STEP BY STEP IN DIGITAL FORMAT