A 200 – MVA, 15/200 kV single-phase power transformer has a per – unit resistance of 1.2 percent and a per-unit reactance of 5 percent (data taken from the transformer's nameplate). The magnetizing impedance is impedance is j80 per unit. a. Assume that the primary voltage of this transformer is a constant 15 kV. And plot the secondary voltage as a function of load current for currents from no load to full load. Repeat this process for power factors of 0.8 lagging, 1.0, and 0.8 leading.
A 200 – MVA, 15/200 kV single-phase power transformer has a per – unit resistance of 1.2 percent and a per-unit reactance of 5 percent (data taken from the transformer's nameplate). The magnetizing impedance is impedance is j80 per unit. a. Assume that the primary voltage of this transformer is a constant 15 kV. And plot the secondary voltage as a function of load current for currents from no load to full load. Repeat this process for power factors of 0.8 lagging, 1.0, and 0.8 leading.
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 3.14P: A single-phase 50-kVA,2400/240-volt,60-Hz distribution transformer is used as a step-down...
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A 200 – MVA, 15/200 kV single-phase power transformer has a per – unit resistance of 1.2
percent and a per-unit reactance of 5 percent (data taken from the transformer's nameplate).
The magnetizing impedance is impedance is j80 per unit.
a. Assume that the primary voltage of this transformer is a constant 15 kV. And plot the secondary voltage as a function of load current for currents from no load to full load.
Repeat this process for power factors of 0.8 lagging, 1.0, and 0.8 leading.
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