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 %