A 3-phase transformer connected to a load. The following per-phase values are given: Req.s = 1.2 Ohms, X egs = 2.2 Ohms, Rcs= 1460 Ohms, %3D XM.s= 880 Ohms. M,s The current I,=84.5 -36.87°, A,and P= 1618 /-36.87° %3D Volts. Find the Copper and the core losses in this 3-phase transformer.

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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A 3-phase transformer connected to a load. The following per-phase
values are given:
Reg.s = 1.2 Ohms,
Xeg,s = 2.2 Ohms,
eq,s
Rc.s= 1460 Ohms,
XM.s= 880 Ohms.
The current I= 84.5 36.87 A.and
P = 1618
36.87°
Volts.
Find the Copper and the core losses in this 3-phase transformer.
Transcribed Image Text:A 3-phase transformer connected to a load. The following per-phase values are given: Reg.s = 1.2 Ohms, Xeg,s = 2.2 Ohms, eq,s Rc.s= 1460 Ohms, XM.s= 880 Ohms. The current I= 84.5 36.87 A.and P = 1618 36.87° Volts. Find the Copper and the core losses in this 3-phase transformer.
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