at a receiving Substation A. poser rangformer has the following information Ou its name plete, 120MVA 330/66 KV; 50Hla Ydd; ONAF Z- (2:5 +JI0)% i) If the Core losses to O.725MH, what of the transfor power facor the transfor mer of will be tee efficiendy are equal on full loaod at a O. 80 legging mer). Toaloulate the voffage regulation of the tromsformer on full Load at pover facfor of 0.8 lagging.
at a receiving Substation A. poser rangformer has the following information Ou its name plete, 120MVA 330/66 KV; 50Hla Ydd; ONAF Z- (2:5 +JI0)% i) If the Core losses to O.725MH, what of the transfor power facor the transfor mer of will be tee efficiendy are equal on full loaod at a O. 80 legging mer). Toaloulate the voffage regulation of the tromsformer on full Load at pover facfor of 0.8 lagging.
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Using the per unit system to solve voltage regulation.
Transcribed Image Text:at a
receiving substation
A
poser transformer
has the follouing information Ou its nane plete,
120MVA
330/66 KV; 50Hla Yeld; ONAF
Z- (2.5 + JI0)%
If the Core losses of the trangformer
are equal
0.725MH, what will be the efficiency
of the transfor
PoLDer facker 0: 80 Lagging
to
on full lozod at a
mer.
O Tarleulate the volfaige regulafion of tle
tromsformer en full Load at paser facfor
of 0.8 lagging.
To accommadade a hugher laacf, a' nees fransformer
vated 5OMVA 830/66 KV, sotlz , is to be nstaloc
in paralbl uith the first transformer.
i) Determine the lond on each, fromsformer ef hey
fupply a to tal load if 50MVA at
facfor of O.85
lagging.
power
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