A 60 Hz, 13.5kV/240V, single-phase ideal transformer is used to step-down the voltage of a distribution system. If the low-voltage side of the transformer is to be kept at a constant magnitude of V - 240 V determine the following quantities: a) the value of the load impedance (connected to the low-voltage side) that will cause the transformer to be fully loaded; b) the value of the load impedance found in a) referred to the high-voltage side of the transformer; c) the value of the load current referred to the low-voltage side of the transformer; and d) the value of the load current referred to the high-voltage side of the transformer.

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Problem 3:
A 60 Hz, 13.5kV/240V, single-phase ideal transformer is used to step-down the voltage of a
distribution system. If the low-voltage side of the transformer is to be kept at a constant
magnitude of V₂ - 240 V determine the following quantities: a) the value of the load I
impedance (connected to the low-voltage side) that will cause the transformer to be fully loaded;
b) the value of the load impedance found in a) referred to the high-voltage side of the
transformer; c) the value of the load current referred to the low-voltage side of the transformer;
and d) the value of the load current referred to the high-voltage side of the transformer.
Transcribed Image Text:Problem 3: A 60 Hz, 13.5kV/240V, single-phase ideal transformer is used to step-down the voltage of a distribution system. If the low-voltage side of the transformer is to be kept at a constant magnitude of V₂ - 240 V determine the following quantities: a) the value of the load I impedance (connected to the low-voltage side) that will cause the transformer to be fully loaded; b) the value of the load impedance found in a) referred to the high-voltage side of the transformer; c) the value of the load current referred to the low-voltage side of the transformer; and d) the value of the load current referred to the high-voltage side of the transformer.
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