Geometric Mean Distance Formulae
Rectangular Bars
Ref. Dwight 'Electrical Coils and Conduits' 1946, p. 143
Three Phase conductors
Ref. Dwight ' Geometric Mean Distance for Rectangular Conductors' 1946
Figure 18 - Geometric Mean Distance - two rectangular bars (Apologies for quality of diagrams. Please contact CDA UK if you need better quality)
