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Three-Phase Transformer Current Calculator
Calculate ideal full-load line current from apparent power and line-to-line voltage. Use the result as an engineering starting point, not as a protection-device selection.
Ideal line current
52.49 A1000 ÷ (√3 × 11) = 52.49 A
Actual conductor, switchgear and protection ratings require the project fault study, impedance, duty and applicable margins.
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