FIELD: electricity.
SUBSTANCE: uninterrupted power supply system includes at least one storage battery, a consumer power supply system, a control unit, a unit of a starter mode, a unit of parallel operation with a network and other devices, a battery charging system including a unit of charging devices, a DC switching unit connected through an inverter unit and the unit of charging devices to the storage battery, and an AC switching unit connected through the unit of charging devices to the storage battery; the consumer power supply system includes a DC load switching unit connected through the converter unit to the storage battery, and an AC load switching unit connected through the inverter unit to the storage battery; the control unit is interconnected with the unit of charging devices, the inverter unit, each storage battery and each converter unit.
EFFECT: providing series or parallel power supply to several consumers of direct and alternating current of different voltages without using any additional transformer equipment.
4 cl, 1 dwg
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