A three-phase Y-Y transformer has specifications of 25 MVA, 15/200 kV and an equivalent series impedance of 200+j670 Ω, referred to the high side. If rated voltage is applied to the high voltage winding, while a three-phase load is connected to the low side, the rated input power of the transformer is 23 MW with a factor of power of 0.86 delayed. Under these conditions, the terminal line voltage at the load relative to the low voltage terminal is : a) 11,95 kV b) 13,78 kV c) 10,93 kV d) 15,80 kV e) 12,65 kV
A three-phase Y-Y transformer has specifications of 25 MVA, 15/200 kV and an equivalent series impedance of 200+j670 Ω, referred to the high side. If rated voltage is applied to the high voltage winding, while a three-phase load is connected to the low side, the rated input power of the transformer is 23 MW with a factor of power of 0.86 delayed. Under these conditions, the terminal line voltage at the load relative to the low voltage terminal is : a) 11,95 kV b) 13,78 kV c) 10,93 kV d) 15,80 kV e) 12,65 kV
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 3.13P: A single-phase 50-kVA,2400/240-volt,60-Hz distribution transformer has a 1-ohm equivalent leakage...
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A three-phase Y-Y transformer has specifications of 25 MVA, 15/200 kV and an equivalent series impedance of 200+j670 Ω, referred to the high side. If rated voltage is applied to the high voltage winding, while a three-phase load is connected to the low side, the rated input power of the transformer is 23 MW with a factor of
power of 0.86 delayed. Under these conditions, the terminal line voltage at the load relative to the low voltage terminal is :
a) 11,95 kV
b) 13,78 kV
c) 10,93 kV
d) 15,80 kV
e) 12,65 kV
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