Electrica
Instalatia de paratrasnetINSTALATIA DE PARATRASNET P=2*(L+1)= 2* ( 32.4+16.25 ) =97.3 m L = 28.4 m +2 m+ 2 m = 32.4 m l= 12.25 m+ 2 m +2 m = 16.25 m
R= R …RISC MEDIU …Nivelul de protectie impotriva trasnetului : normal F ( nivel normal de protectie ; h= 8.7 m ) …..a1 =a2 = 20mm
RPP > 1Ohm ……Utilizam 2 prize de pamant FOLOSIM 2 PRIZE DE PAMANT
B.INSTALATIA DE FORTA
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