Distribution Transformer Sizing Calculator

Primary Rated Voltage (kV) =

Secondary Rated Voltage (kV) =

Secondary No Load Voltage (kV) =

⚠ No Load Voltage must be greater than Secondary Rated Voltage.

⚠ Voltage values must be greater than 0 kV.

Transformer Impedance Voltage %Z =

⚠ %Z is below IEC 60076-5 minimum.

Secondary Voltage @ Full Load (kV) = --

Secondary Voltage @ Permissible Loading % (kV) = --

Maximum Demand Load (kW) =

Power Factor (PF), after Correction =

⚠ Power Factor must be between 0.80 and 1.0 — value has been capped.

        Max. Apparent Power (kVA)
        =
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Transformer Type =

Cooling Class (IEC 60076-11) =

Permissible Loading Percentage (%) =

        Calculated Transformer Rating (kVA)
        =
        --
      

Transformer Rating Source =

Custom Transformer Rating (kVA) =

        The Nearest Standard Transformer Rating (kVA)
        =
        --
      

        Transformer Loading Percentage (%)
        =
        --
      