When entering conductor size as AWG, sizes larger than 0 may be entered as 00, 000, etc., or 2/0, 3/0, etc. Select either ‘AWG’ or ‘mm’ from the popup menu as appropriate. You may enter conductor size either as diameter in mm or AWG gauge number in the Conductor Size field. More information about these calculations is given in Calculation Methods Part 1c. Grover, and the inductance is calculated from the equivalent coil.
For polygonal coils, an equivalent circular coil is determined according to a method by F. This calculator uses Maxwell’s formula for the mutual inductance between two circular filaments, applied to every combination of wire pairs in the coil, and then summed to determine the total inductance.
Uppercase D parameters refer to overall coil diameters while lowercase d parameters refer to conductor diameters. * The notation C-C indicates that the dimension is measured from centre to centre of the conductors as shown in the diagram. N S - Number sides of polygon (for polygonal coils) N L - Number of winding layers ( N L =5 in the diagram) N T - Number of turns per layer ( N T =6 in the diagram) X R - Radial dimension of winding (winding depth) C-Cĭ - Diameter of conductor (excluding insulation)ĭ i - Outside diameter of conductor including insulation All length, diameter and pitch measurements are from centre to centre of the conductors as shown.
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