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US 2026/0246274 A1Published application
Energy storage system
AssigneeLG Energy Solution, Ltd.
InventorsDuk You KIM, Keun Wook LEE, Seong Yeol YANG
Life of this patent
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Abstract
An energy storage system (ESS) includes a plurality of battery units, a plurality of direct current-direct current (DC-DC) converters respectively connected to the plurality of battery units to convert an input voltage from a connected battery unit into an output voltage, and a controller configured to control the plurality of DC-DC converters such that a summed voltage of output voltages of the plurality of DC-DC converters is an alternating current (AC) voltage.
Claims15
An energy storage system (ESS) comprising:
- a plurality of battery units;
- a plurality of direct current-direct current (DC-DC) converters respectively connected to the plurality of battery units to convert an input voltage from a connected battery unit into an output voltage;
- and
- a controller configured to control the plurality of DC-DC converters such that a summed voltage of output voltages of the plurality of DC-DC converters is an alternating current (AC) voltage.
1 more element
An energy storage system (ESS) comprising:
- a plurality of battery units;
- and
- a plurality of direct current-direct current (DC-DC) converters each having an input terminal and electrically connected to a positive electrode and a negative electrode of the plurality of battery units, respectively, to convert an input voltage from a connected battery unit into an output voltage,
- wherein connection units respectively between of the plurality of battery units and the plurality of DC-DC converters are connected to each other in series, and
- wherein the plurality of DC-DC converters and a grid system are electrically connected such that at least a part of a summed voltage of output voltages of the plurality of DC-DC converters is applied to the grid system.
2 more elements
Dependencies are inferred from the claim text.