О методике оценки пожарной безопасности шахтной кабельной сети

Abstract

The methods of estimation of mine cable networks fire safety are offered. They differs from known methods by that besides of frequency of occurrence short circuit currents, means of maximal current protection and protective switching-off refusals, the average time of means of protection being in the undetected given up condition and terms of their preventive maintenance are also taken into account New "trees" of formation of fires for mine cable networks and circuit minimal fire dangerous compatibility are offered. The example of definition is given.