Underground cables Resistance at 20C Resistance for AC R L KS Rac=1.1.R Where L=length in km K=56 for copper (35 for Aluminium) S= cross section in mm2
Underground cables Inductance per km (one phase and 3ph symmetric cables) d L=(4.6 logº +0.5).10-4 r Where L=Henry /km d=distance between conductors(cm) 1= wire radius (cm) Inductive Reactance X =21 fl L
Underground cables Resistance at 20C Resistance for AC R L KS Rac=1.1.R Where L=length in km K=56 for copper (35 for Alu
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Underground cables Resistance at 20C Resistance for AC R L KS Rac=1.1.R Where L=length in km K=56 for copper (35 for Alu
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