1. A 150 KVA, 2080/208-V, 3 PHASE, delta-wye transformer with the following: R₁=450mQ R₁=4.5mQ RCH=10 KQ X₁=2.2Q X₁=22mQ X=8 KQ Load-120 KVA, 90KW (lagging power factor) at rated terminal voltage of 208V. Determine: a) The approximate equivalent circuit referred to the low-voltage side b) The primary voltage c) The transformer efficiency
1. A 150 KVA, 2080/208-V, 3 PHASE, delta-wye transformer with the following: R₁=450mQ R₁=4.5mQ RCH=10 KQ X₁=2.2Q X₁=22mQ X=8 KQ Load-120 KVA, 90KW (lagging power factor) at rated terminal voltage of 208V. Determine: a) The approximate equivalent circuit referred to the low-voltage side b) The primary voltage c) The transformer efficiency
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 3.16P: A single-phase, 50-kVA,2400/240-V,60-Hz distribution transformer has the following parameters:...
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