Q4. A 200KVA single phase transformer with a voltage ratio 6350/660 V has the following winding resistances & reactance's R1=1.56N, R2=0.016 2,X1=4.67 2,X2=0.048 2 On no load the transformer takes a current of 0.96A at a power factor of 0.263 lagging calculate : a) The equivalent circuit parameter referred to H.V winding. b) The voltage regulation at unity p.f 0.8 p.f lagging. c) The efficiency at full load & half load when the p.f is unity &0.8 lagging p.f.
Q4. A 200KVA single phase transformer with a voltage ratio 6350/660 V has the following winding resistances & reactance's R1=1.56N, R2=0.016 2,X1=4.67 2,X2=0.048 2 On no load the transformer takes a current of 0.96A at a power factor of 0.263 lagging calculate : a) The equivalent circuit parameter referred to H.V winding. b) The voltage regulation at unity p.f 0.8 p.f lagging. c) The efficiency at full load & half load when the p.f is unity &0.8 lagging p.f.
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 3.9P
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