Cableizer
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Number of conductors in object

Number of conductor cores of equal size.

Four-core cables contain three active phases plus either neutral (N), ground (PE) or ground/neutral (PEN) wire. Five-core cables contain a neutral (N) plus a separate ground (PE) wire.

Symbol
$n_c$
Used in
$A_{ab}$
Cross-sectional area of armour bedding [mm$^2$]
$A_c$
Cross-sectional area of conductor [mm$^2$]
$A_j$
Cross-sectional area of jacket [mm$^2$]
$\alpha_p$
Factor $\alpha_p$
$c_c$
Distance between the axis of a conductor and the cable center [mm]
$d_{ct}$
External diameter of conductor for transient calculations [mm]
$D_e$
External diameter of object [mm]
$D_{eq}$
Equivalent diameter of a group of round objects [mm]
$F_{ppc}$
Permissible pull force [N]
$GMR_{cc}$
Geometric mean radius of conductor bundle [mm]
$K_{ce}$
Radiation shape factor, conductor to enclosure
$m_c$
Mass of conductor [kg/m]
$m_i$
Mass of insulation [kg/m]
$m_{sc}$
Mass of metallic screen [kg/m]
$m_{sh}$
Mass of metallic sheath [kg/m]
$m_{shj}$
Mass of jacket over each core [kg/m]
$m_{skid}$
Mass of skid wires [kg/m]
$m_{tape}$
Mass of tapes [kg/m]
$n_{ph}$
Number of phases in a cable
$Q_{B,i}$
Element B of two-part thermal circuit, insulation [J/(m.K)]
$Q_{B,s}$
Element B of two-part thermal circuit, screen/sheath [J/(m.K)]
$Q_{ct}$
Thermal capacitance of conductor (IEC 60853) [J/(m.K)]
$q_{Mie}$
Factor $q$ (Mie1905)
$Q_{tot}$
Total thermal capacitance, transient [J/(m.K)]
$T_A$
Element A of equivalent thermal circuit [K.m/W]
$T_C$
Element C of equivalent thermal circuit [K.m/W]
$T_d$
Internal thermal resistance for dielectric losses [K.m/W]
$T_r$
Total thermal resistance [K.m/W]
$\theta_{c,z}$
Conductor temperature at z [°C]
$W_{rad,ce}$
Radiation heat transfer, conductor to enclosure [W/m]
Choices
NbType
1Single-core cables
2Two-core cables
3Three-core cables
4Four-core cables
5Five-core cables