title: Technical Audit of External Power Supply Networks of Coal Mines in the Kemerovo Region
abstract: Over the past four years in the power system of the Kemerovo region there have been a number of major accidents (at the substation 220 kV Uskatskaya, the power line 110 kV Belovskay -Novo-Leninskay), that have led to blackouts of hazardous industrial facilitiescoal mines and open pits. These events have demonstrated the vulnerability of the external power supply system of coal enterprises. The absence in most of mines in the Kemerovo region of standby power sources has led to stopping important 