1 MVA (1 Mega VA) single phase transformer is connected as an auto transformer as follows. Secondary between AB, between BC is primary. When the auto transformer operates at full load unit power factor, the V2 voltage is 169.4 kV and the V1 voltage is 154 kV. V (1-4) a. The primary and secondary voltages of the single-phase transformer (primary and secondary voltages of the auto transformer are not asked!) calculate. b. Calculate the primary and secondary currents of the auto transformer.

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1 MVA (1 Mega VA) single phase transformer is connected as an auto transformer as
follows. Secondary between AB, between BC
is primary. When the auto transformer operates at full load unit power factor, the V2
voltage is 169.4 kV and the V1 voltage is 154 kV.
B
a. The primary and secondary voltages of the single-phase transformer (primary and
secondary voltages of the auto transformer are not asked!)
calculate.
b. Calculate the primary and secondary currents of the auto transformer.
Transcribed Image Text:1 MVA (1 Mega VA) single phase transformer is connected as an auto transformer as follows. Secondary between AB, between BC is primary. When the auto transformer operates at full load unit power factor, the V2 voltage is 169.4 kV and the V1 voltage is 154 kV. B a. The primary and secondary voltages of the single-phase transformer (primary and secondary voltages of the auto transformer are not asked!) calculate. b. Calculate the primary and secondary currents of the auto transformer.
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