A 40000-KVA, 25000-V/600-kV, single phase transformer has the following series impedances: Z1= 0.00461 kQ and Z, = 365.16 N Using the transformer rating as base, determine (a) The per unit impedance of the transformer from the ohmic value referred to the low-voltage side. (b) The per unit impedance using the ohmic value referred to the high-voltage side.

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A 40000-kVA, 25000-V/600-kV single-phase transformer has the following
series impedances: Z1= 0.00461 kQ and Z2 = 365.16 N
Using the transformer rating as base, determine
(a) The per unit impedance of the transformer from the ohmic value referred
to the low-voltage side.
(b) The per unit impedance using the ohmic value referred to the high-voltage
side.
Transcribed Image Text:A 40000-kVA, 25000-V/600-kV single-phase transformer has the following series impedances: Z1= 0.00461 kQ and Z2 = 365.16 N Using the transformer rating as base, determine (a) The per unit impedance of the transformer from the ohmic value referred to the low-voltage side. (b) The per unit impedance using the ohmic value referred to the high-voltage side.
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