to the primary of a step-down transformer through a transmission line of impedance 1300 ohm. The turn ratio of the step-down transformer is 30:1 with a series impedance (referred to the primary) of 1200 ohm. The i secondary side of the transformer is serving a Y-connected balance load of 0.667+ j0.111 ohm, the real power absorbed by the load (per phase) would be: OA. 106 MW OB. None of the choices are correct OC. 212 MW OD. 33.1 MW OE 331 MW

Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter3: Power Transformers
Section: Chapter Questions
Problem 3.63P: A 23/230-kV step-up transformer feeds a three-phase transmission line, which in turn supplies a...
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A source of 199.2 kV (line to neutral) is connected to the primary of a step-down transformer through a transmission line of impedance
j300 ohm. The turn ratio of the step-down transformer is 30:1 with a series impedance (referred to the primary) of 1200 ohm. The
secondary side of the transformer is serving a Y-connected balance load of 0.667+ j0.111 ohm, the real power absorbed by the load (per
phase) would be:
OA. 106 MW
OB. None of the choices are correct
OC 212 MW
O D.33.1 MW
O E 331 MW
Transcribed Image Text:A source of 199.2 kV (line to neutral) is connected to the primary of a step-down transformer through a transmission line of impedance j300 ohm. The turn ratio of the step-down transformer is 30:1 with a series impedance (referred to the primary) of 1200 ohm. The secondary side of the transformer is serving a Y-connected balance load of 0.667+ j0.111 ohm, the real power absorbed by the load (per phase) would be: OA. 106 MW OB. None of the choices are correct OC 212 MW O D.33.1 MW O E 331 MW
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