FIELD: electrical equipment.
SUBSTANCE: invention relates to DC voltage networks with DC voltage sub-networks and energy accumulators. It is achieved by the fact that DC network has at least three DC subnetworks, at least three power accumulation networks, at least, nine power converters and at least three energy accumulators, wherein each DC voltage subnetwork is connected to each power storage network, at least, through one power converter, wherein each power storage network is connected in each case to at least one of energy accumulators in such a way that each power storage network has voltage of corresponding energy accumulator, wherein each DC voltage subnetwork can be connected, at least through one supply device, with at least one AC voltage network, wherein power converters are arranged in matrix circuit 3x3.
EFFECT: technical result consists in improvement of reliability of energy exchange between electric devices.
7 cl, 1 dwg
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