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US 12,726,101 B2Granted
Power conversion device having multi-level structure
AssigneeLG Innotek Co., Ltd.
InventorsKwang Soon Jung, Jeong Heum Park
Life of this patent
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Abstract
A power conversion device according to one embodiment of the present invention comprises: converters that are connected to respective cell strings; a voltage detection unit for detecting an input voltage and/or an output voltage of each of the plurality of converters; and a control unit which generates a control signal for each of the plurality of converters by using the voltage detected by the voltage detection unit and applies same, wherein the plurality of converters have a multi-level structure.
Claims19
A power conversion device comprising:
- a plurality of converters each connected to a plurality of cell strings;
- a voltage detection unit configured to detect at least one of an input voltage and an output voltage of each of the plurality of converters;
- and
- a control unit configured to generate and apply a control signal for each of the plurality of converters by using the voltage detected by the voltage detection unit,
- wherein the plurality of converters constitutes a multi-level, and
- wherein the control signal comprises a PWM signal for a switching element included in the converter.
3 more elements
A solar module comprising:
- a plurality of cell strings each comprising one or more solar cells;
- a plurality of converters being respectively connected to each of the cell strings;
- a voltage detection unit configured to detect at least one of an input voltage and an output voltage of each of the plurality of converters;
- and
- a control unit configured to generate and apply a control signal for each of the plurality of converters by using the voltage detected by the voltage detection unit,
- wherein the plurality of converters constitutes a multi-level, and
- wherein the control signal comprises a PWM signal for a switching element included in the converter.
4 more elements
Dependencies are inferred from the claim text.