1- For each type of connection, determine the voltage ratios: Viph aphv=vzph and a Lv= VII
1- For each type of connection, determine the voltage ratios: Viph aphv=vzph and a Lv= VII
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter22: Resistive-capacitive Parallel Circuits
Section: Chapter Questions
Problem 6RQ: Refer to the formulas in Appendix B in the Resistive-Capacitive Parallel Circuits section. A...
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Question
Transcribed Image Text:Via
(a)
Primaray:Vph= 220
secndary: Vph=74
VI=374 i=0.4
i=0.4
VI=125
at
Vla
INS
all VS
(b)
Vph= 220 i=1.1
Vph=128 i=0.8
VI=
220
VI=128
V5al
VI V5 a
Vph=220
Vph=380
VI= 220
VI=380
Transcribed Image Text:Vla
V5 Via
(d)
fig.(1)
Vph= 220 i=0.8
Vph=127 i=0.64
VI= 220
VI=220
1- For each type of connection, determine the voltage ratios:
aphv=Iph
2- For each type of connection, determine the current ratios:
and
VII
a
12ph
I1ph
aphi=
and
ali=!
121
3- State the other possible connections of three-phase transformer. When these connection
used? Why?
4- Discus your results.
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