cap I sub cap A cap D end-sub equals the fraction with numerator cap K center dot cap S and denominator the square root of t end-root end-fraction center dot the square root of l n open paren the fraction with numerator theta sub f plus beta and denominator theta sub i plus beta end-fraction close paren end-root Description cap I sub cap A cap D end-sub Adiabatic short-circuit current (A) Cross-sectional area ( m m squared Duration of short circuit (s) Initial and Final temperatures ( raised to the composed with power cap C Material-dependent constants (e.g., Copper Primary Applications IEC 60949 Short-Circuit Current Calculation | PDF - Scribd
Need only the calculation formula? Visit the IEC Webstore for the free preview, or contact your local standardization body for a discounted "read-only" license. iec 60949 pdf free top download
IEC 60949 is an international standard titled (also known as “Safety of low‑voltage switchgear and controlgear” ). It provides a comprehensive framework for: cap I sub cap A cap D end-sub