Engineering, 28.10.2020 17:00 lisapcarroll
A 500MVA, 220kV/24kV, three phase Y-Δ transformer has an equivalent series impedance of 1 + j5 Ω per phase referred to the high-voltage side. The transformer is supplying a three phase load of 500MVA, 0.85 power factor lagging at a terminal voltage of 24 kV (line to line) on its low-voltage side. The primary is supplied from a feeder with an impedance of 0.5+ j1 Ω per phase. Determine the line-neutral voltage in kV across the load when it is referred to the transformer high side voltage.
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A 500MVA, 220kV/24kV, three phase Y-Δ transformer has an equivalent series impedance of 1 + j5 Ω per...
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