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US 2010/0141041 A1Published application
Dc-to-ac power conversion system and method
AssigneeGeneral Electric Company
InventorsSumit Bose, Ralph Teichmann, Kathleen Ann O'Brien
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Abstract
A system, in one embodiment, includes a photovoltaic power converter. The photovoltaic power converter includes one or more photovoltaic arrays configured convert solar energy into a DC signal and two or more N-level converters coupled to a common DC bus (N being an integer greater than 2).
Claims20
A system comprising:
- a photovoltaic power converter comprising:
- one or more photovoltaic arrays configured convert solar energy into a DC signal;
- and
- two or more N-level converters coupled to a common DC bus, wherein N is an integer greater than 2.
1 more element
A system, comprising:
- a photovoltaic power converter comprising:
- two or more photovoltaic arrays coupled in series and configured to convert solar energy into a DC signal, wherein the two or more photovoltaic arrays comprise a first photovoltaic array and a second photovoltaic array;
- a grounding point coupled between the first and second photovoltaic arrays;
- and
- at least one N-level converter coupled downstream from the two or more photovoltaic arrays and configured to receive the DC signal on a DC bus, wherein N is an integer greater than 2.
2 more elements
A system comprising:
- a power converter comprising:
- at least one DC power source configured to output a DC signal;
- two or more N-level converters coupled to a common DC bus, wherein N is an integer greater than 2;
- and
- a three-winding transformer coupled downstream from the two or more N-level converters.
2 more elements
Dependencies are inferred from the claim text.