Dcon 26.2[mm] "Diameter of main conductors (phase)"
Tins 24.0[mm] "Insulation thickness (XLPE)"
Dins 77.6[mm] "Diameter over insulation (XLPE and SCC)"
Tscc (Dins/2-Dcon/2-Tins)/2 "Semi-conductive compound thickness"
Tpbs 2.9[mm] "Lead sheath thickness"
Tpe 2.9[mm] "Polyethylene sheath thickness"
Dpha Dins+2*Tpbs+2*Tpe "Diameter over phase (including sheath and PE)"
Dpha3 Dpha*(2/sqrt(3)+1) "Diameter over three phases combined"
Dfic 2.5[mm] "Diameter of fiber optic core"
Tfih 0.5[mm] "Steel helix thickness (fiber)"
Dfib 9.2[mm] "Diameter over fiber optic cable"
Dcab 219.0[mm] "Outer diameter of submarine cable"
Darm (Dcab+Dpha3)/2 "Central diameter of armor ring"
Tarm 5.6[mm] "Armor thickness (wire diameter)"
Narm 110 "Number of armor wires in ring"
mfil 0.5[mm] "Filler margin"
marm pi*Darm/Narm-Tarm "Armor margin"