If you are searching for IEC 949 PDF work , you are likely looking for a downloadable PDF of the standard, calculation sheets, or guidance on how to perform adiabatic and non-adiabatic short-circuit temperature calculations for cables.
Where ( \alpha ) and ( \beta ) are constants derived from the thermal properties of the insulation and sheath materials (PVC, XLPE, EPR, etc.). iec 949 pdf work
[ I = \sqrt{\frac{\epsilon \cdot (A \cdot k)^2}{t \cdot \left(1 + \lambda \right)}} ] If you are searching for IEC 949 PDF