A 50 MVA 230/115-kV, A-Y three-phase connected power transformer has a per unit resistance of 0.015 pu and a per-unit reactance of 0.006 pu. The excitation branch elements are Rc = 125 pu and XM = 20 pu. What is the equivalent branch resistance, Rc, in k2 referred to the low-voltage side?
A 50 MVA 230/115-kV, A-Y three-phase connected power transformer has a per unit resistance of 0.015 pu and a per-unit reactance of 0.006 pu. The excitation branch elements are Rc = 125 pu and XM = 20 pu. What is the equivalent branch resistance, Rc, in k2 referred to the low-voltage side?
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 3.53P: The ratings of a three-phase, three-winding transformer are Primary: Y connected, 66kV,15MVA...
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