FIELD: electrical equipment.
SUBSTANCE: invention relates to electrical engineering, in particular to a system and method for uninterrupted power supply of direct current using storage batteries. It is achieved by the fact that DC system supplies DC consumers with charging and rectifying units in normal mode and from accumulator batteries in emergency mode. At that, the system is mainly aimed at usage of lithium-ion accumulators as storage batteries. At the same time, the system has two independent controllers for monitoring AC networks and monitoring DC network and state of accumulator batteries.
EFFECT: technical result consists in improvement of reliability of power supply to consumers.
8 cl, 1 dwg
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