# Winding resistance and copper fill # Scope: Uniform wire DC resistance; mean turn length supplied. # Status: illustrative worked example; engineering review pending. # Inputs are example values. Checks are editable example requirements, not standards. turns = 100 meanTurnLength = 50 mm area = 0.2 mm^2 resistivity = 0.0000000168 ohm*m length := turns*meanTurnLength [m] resistance := resistivity*length/area [ohm] check winding resistance budget: resistance <= 0.5 ohm scenario alternative: turns = 80