Formula For Cable Size Calculation
$$A = \frac2 \times I \times L \times \rhoV_d \text (permissible)$$
There is no single "magic formula" that spits out a cable size. Instead, the calculation is a two-step process of elimination. You must calculate for: formula for cable size calculation
It≥InCa×Cg×Ci×Cfcap I sub t is greater than or equal to the fraction with numerator cap I sub n and denominator cap C sub a cross cap C sub g cross cap C sub i cross cap C sub f end-fraction 5. Step 4: Calculate Voltage Drop $$A = \frac2 \times I \times L \times
A more accurate form for incorporates reactance ($X$): follow this algorithm:
To determine the final cable size, follow this algorithm: