1. A transformer takes 10 A on no-load at a power factor of 0.1. The turn ratio is 4 : 1 (step down). Ifa load is supplied by the secondary at 200 A and p.f. of 0.8, find the primary current and power factor (internal voltage drops in transformer are to be ignored).
1. A transformer takes 10 A on no-load at a power factor of 0.1. The turn ratio is 4 : 1 (step down). Ifa load is supplied by the secondary at 200 A and p.f. of 0.8, find the primary current and power factor (internal voltage drops in transformer are to be ignored).
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 3.63P: A 23/230-kV step-up transformer feeds a three-phase transmission line, which in turn supplies a...
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1. A transformer takes 10 A on no-load at a power factor of 0.1. The turn ratio is 4 : 1 (step down). Ifa
load is supplied by the secondary at 200 A and p.f. of 0.8, find the primary current and power factor
(internal voltage drops in transformer are to be ignored).
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