|
Variable |
Description |
Units |
|
Grd OD |
Overall outer diameter of ground cables at position |
Inches |
|
Grd Qty |
Quantity of ground cables at position (needed only for
conduit fill calculations) |
|
|
Grd Size |
Size of ground cables at position |
|
|
Grd Type |
Whether ground cables are Insulated or bare |
|
|
Identifier |
Cable position identifier assigned by user |
|
|
Ins RHO |
Thermal resistivity of insulation |
Deg C-cm/watt |
|
Insulation Thickness |
Cable insulation thickness |
Inches |
|
Ipf |
Insulation power factor, overall Ipf = Ipf x e^(Ipf Exp x
Temp) |
|
|
Ipf Exp |
Insulation power factor exponent, overall Ipf = Ipf x e^(Ipf
Exp x Temp) |
|
|
Jac RHO |
Cable jacket thermal resistivity |
Deg C-cm/watt |
|
Jacket Thickness |
Cable jacket thickness |
Inches |
|
Jam Ratio |
Ratio of duct ID to cable OD, to be OK for 3 cables must be
< 2.8 or > 3.2 |
|
|
kcmil |
Conductor area |
Thou. circ mils |
|
kp |
Conductor proximity effect factor |
|
|
ks |
Conductor skin effect factor |
|
|
kV |
Rated cable line-to-line kilovolts |
kilovolts |
|
kVA |
Circuit three phase load flow kilovoltamperes for all cables
at position |
kVA |
|
kVAR |
Circuit three phase load flow kilovars for all cables at
position |
kVAR |
|
kVAR Loss |
Total Circuit three phase kilovars losses for all cables at
position |
kVAR |
|
kW |
Circuit three phase load flow kilowatt for all cables at
position |
kW |
|
kW Loss |
Total Circuit three phase kilowatt losses for all cables at
position |
kW |
|
Length |
Circuit length, (one-way distance for dc as well as ac) |
Feet |
|
LF% |
Load factor |
% |
|
Lib Volume |
Cable Library data volume tag |
|
|
LOG10(Fd) |
Log (base 10) of distance product factor |
|
|
Loss Fac |
Loss factor |
|
|
Neut OD |
Overall outer diameter of neutral cables at position |
Inches |
|
Neut Qty |
Quantity of neutral cables at position (needed only for
conduit fill calculations) |
|
|
Neut Size |
Size of neutral cables at position |
|
|
No. |
Cable position number not including inactive positions |
|
|
Nom. Size |
Nominal duct size |
Inches |
|
Number of cable positions in system |
Number of active cable positions in system calculation |
|
|
PF % |
Load Power Factor, (for voltage drop calcs) |
% |
|
Ph OD |
Overall outer diameter of phase cables at position |
Inches |
|
Ph Qty |
Quantity of phase cables at position |
|
|
Ph Size |
Size of phase cables at position |
|
|
Qp |
Loss ratio = Losses in (Conductor + Shield + Duct) /
Conductor |
|
|
Qs |
Loss ratio = Losses in (Conductor + Shield) / Conductor |
|
|
Qty-Type |
Quantity and type (1/c or 3/c) of cables at position |
|
|
Rac |
Conductor ac resistance at conductor specified or rated
temperature |
microhms/foot |
|
Rated kV |
Cable line-to-line kilovolt rating |
kilovolts |