FIELD: electricity.
SUBSTANCE: method consists in identification of electric receivers of anti-accident systems used to fight fires and explosions caused by emergency de-energising of an object into a special subgroup of protection (from a composition of the first category of reliability of the special group of power supply). At the same time for emergency power supply of the protection subgroup there are additional sources of uninterrupted power supply used, which automatically supply power to electric receivers of anti-accident systems only after emergency disconnection of all input independent mutually redundant voltages of power supply of a hazardous industrial object.
EFFECT: reliability improvement.
2 cl, 2 dwg
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