Isolation vs Autotransformer

Same specification — compare windings, copper, core loss and capacity saving.

Inputs

Enter known parameters.

Comparison

Metric Isolation (two-winding) Autotransformer
Voltage ratio k = Vout/Vin — —
Primary turns — —
Secondary turns — —
Copper (relative) 100% —
Copper mass (abs) — kg — kg
Core loss — W — W
Efficiency — % — %
Short-circuit impedance (%Z) — % — %
Capacity saving — — %