The figure below shows a radial transmission system with a generator having a terminal voltage of 95 KV at angle of10.5°. The load demand is 50 MW at a power factor of 0.88 lagging. Use a base of 128.4MVA . Instructions :round of to 2 decimal places.

Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter27: Single-phase Transformers
Section: Chapter Questions
Problem 4RQ: All values of a transformer are proportional to its __________________ ___________________.
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The figure below shows a radial transmission system with a generator having a terminal

voltage of 95 KV at angle of10.5°. The load demand is 50 MW at a power factor of 0.88 lagging.

Use a base of 128.4MVA .

Instructions :round of to 2 decimal places.

Calculate the following :

 

1.Per unit voltage of the transformer 1 
2.Per unit impedance of the line. 
3.Resistance of the transmission line when the load consumes full-load (Ω). 

Transformer 1
Transformer 2
LINE
LOAD
88/132 kV
150 MVA
X = 11%
132/33kV
96 MVA
X = 9%
Transcribed Image Text:Transformer 1 Transformer 2 LINE LOAD 88/132 kV 150 MVA X = 11% 132/33kV 96 MVA X = 9%
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