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Two Transformers in Parallel: Load Sharing by Rating and Impedance

A 1000 kVA (5% impedance) and a 1500 kVA (6%) transformer in parallel on a 480 V bus carrying 2000 kVA. The units take 44.44% and 55.56% of the load, giving a 2250 kVA parallel capacity limited by the smaller unit.

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