1. Two single-phase transformers A and B of equal voltage ratio are running in parallel and supplying a load requiring 500 A at 0.8 power factor lagging at a terminal voltage of 400 V. The equivalent impedances of the transformers, as referred to secondary windings, are (2 +j3) and (2.5 + j5) ohm. Calculate the current supplied by each transformer. (Note. The student is advised to try by arithmetic method also). [I = 304 A ; I = 197 A] %3D

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Tutorial Problems 32.6
1. Two single-phase transformers A and B of equal voltage ratio are running in parallel and supplying a
load requiring 500 A at 0.8 power factor lagging at a terminal voltage of 400 V. The equivalent
impedances of the transformers, as referred to secondary windings, are (2 +j3) and (2.5 + j5) ohm.
Calculate the current supplied by each transformer.
(Note. The student is advised to try by arithmetic method also).
[I = 304 A ; I = 197 A]
2. Two single-phase transformers A and B are operating in parallel and supplying a common load of
1000 kVA at 0.8 p.f. lagging. The data regarding the transformers is as follows :
Transcribed Image Text:Tutorial Problems 32.6 1. Two single-phase transformers A and B of equal voltage ratio are running in parallel and supplying a load requiring 500 A at 0.8 power factor lagging at a terminal voltage of 400 V. The equivalent impedances of the transformers, as referred to secondary windings, are (2 +j3) and (2.5 + j5) ohm. Calculate the current supplied by each transformer. (Note. The student is advised to try by arithmetic method also). [I = 304 A ; I = 197 A] 2. Two single-phase transformers A and B are operating in parallel and supplying a common load of 1000 kVA at 0.8 p.f. lagging. The data regarding the transformers is as follows :
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