ВЛИЯНИЕ НАДЕЖНОСТИ МАКСИМАЛЬНОЙ ТОКОВОЙ ЗАЩИТЫ И ЗАЩИТНОГО ОТКЛЮЧЕНИЯ НА ПОЖАРНУЮ БЕЗОПАСНОСТЬ ШАХТНОЙ КАБЕЛЬНОЙ СЕТИ 6-0,4 кВ

Abstract

The methods of an estimation of safety of a fire of mine cable networks are offered. It differs from known methods. In it is taken into account not only frequency of occurrence of currents of short circuit and failures of means maximal cur¬rent of protection and protective switching-ojf. The average time of a finding of means of protection in the undetected given up condition and terms of their preventive maintenance is taken into account also. New "trees" of formation of fires for mine cable networks and circuit minimal overlapping of fire dangers are offered. The example of account is given.