Cable Size Calculation Sheet _verified_ Guide

Once a tentative size is selected, the sheet calculates the voltage drop ($\Delta V$). This is often the deciding factor for long cable runs. $$ \Delta V = \frac\sqrt3 \times I \times L \times \cos \phi \times \rhoA \times 1000 $$

It=InCa⋅Cg⋅Ci⋅Cdcap I sub t equals the fraction with numerator cap I sub n and denominator cap C sub a center dot cap C sub g center dot cap C sub i center dot cap C sub d end-fraction Factors include: Cacap C sub a : Ambient temperature Cgcap C sub g : Grouping of cables Cicap C sub i : Thermal insulation The required area in mm2m m squared can be estimated using: cable size calculation sheet