Q2) A 1.5 KVA, 220/110V, single-phase transformer has the following test data: Open circuit test: Voc = 110 V, Ioc = 0.4 A, Poc = 25 w Short circuit test: Vsc = 16.5 V, Isc = 6.8 A, Psc 40W If the transformer supplies 80% of its rated load at 0.866 lagging power factor, (use approximate equivalent circuit), Calculate: a) b) The approximate equivalent circuit referred to primary side, Pins) and Pout The transformer efficiency. Voltage Regulations. c)

Q2) A 1.5 KVA, 220/110V, single-phase transformer has the following test data: Open circuit test: Voc = 110 V, Ioc = 0.4 A, Poc = 25 w Short circuit test: Vsc = 16.5 V, Isc = 6.8 A, Psc 40W If the transformer supplies 80% of its rated load at 0.866 lagging power factor, (use approximate equivalent circuit), Calculate: a) b) The approximate equivalent circuit referred to primary side, Pins) and Pout The transformer efficiency. Voltage Regulations. c)

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter3: Power Transformers

Section: Chapter Questions

Problem 3.57P: A two-winding single-phase transformer rated 60kVA,240/1200V,60Hz, has an efficiency of 0.96 when...

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