Hoja De Calculo Excel Para Instalaciones Electricas Xls Apr 2026
Cable impedance: =Z_cable_per_km * L / 1000 Total short‑circuit current: =V_n / (SQRT(3) * (Z_transformer + Z_cable)) Circuit breaker rating (I_n) must satisfy: (I_b \le I_n \le I_z) (I_z = cable ampacity) And (I_sc \ge I_instantaneous) for magnetic trip.
For DC or resistive AC (simplified, cosφ=1): hoja de calculo excel para instalaciones electricas xls
Where (Z_t) = transformer impedance, (Z_c) = line impedance. Excel uses iterative approximation. The Excel file Instalaciones_Electricas.xls contains seven interconnected sheets: Cable impedance: =Z_cable_per_km * L / 1000 Total
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