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Derill03
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Homework Statement
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What is the maximum full-load primary current that you could safely design for a three phase 500 kVA transformer bank to provide if it has a high-voltage winding of 25GndY/14.4 kV?
What does the notation 25GNDY/14.4kV really mean? Is it 25kV three phase and 14.4kV single phase?
Homework Equations
Full load current = VA / 1.73*Primary Voltage
3. Attempt at solution
Full load current = 500kVA / (1.73*25kV) = 11.56A *Assuming 25kV for primary voltage
Full load current = 500kVA / (1.73*14.4kV) = 20.07A *Assuming 14.4kV for primary voltage