Parallel-Connected Solar Panel Array System with Split Inverter
First Claim
1. A solar panel array system comprisingone or more groups of solar panels, the panels within each group being connected in parallel with each other;
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a first stage comprising one or more DC-to-DC power converters;
each power converter having a first input port and a first output port, and each of the solar panels within a corresponding group of solar panels being connected in parallel to the first input port; and
a second stage comprising a DC-to-AC inverter having a second input port and a second output port, the first outputs of each DC-to-DC converter of the first stage being connected in parallel to the second input port of the DC-to-AC inverter of the second stage;
wherein when each DC-to-DC power converter is positioned in close proximity to the corresponding group of solar panels and when the second stage is positioned remotely from the corresponding group of solar panels, the second output port provides power originating from the solar panel array to an AC power line.
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Abstract
A solar panel array system comprising one or more groups of panels, the panels within each group being connected in parallel with each other, and a two-stage split solar inverter. The split inverter comprises a first stage and a second stage. The first stage comprises one or more DC-to-DC converters, each having a first input port and a first output port. Each solar panel within a group of solar panels is connected in parallel to the first input port. The second stage comprises a DC-to-AC inverter having a second input port and a second output port. The first outputs of each DC-to-DC converter are connected in parallel to the second input port of the DC-to-AC inverter. When each DC-to-DC converter is positioned in close proximity to the corresponding group and when the second stage is positioned remotely from it, the second output port provides power to an AC power line.
12 Citations
11 Claims
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1. A solar panel array system comprising
one or more groups of solar panels, the panels within each group being connected in parallel with each other; - and
a split power inverter comprising; a first stage comprising one or more DC-to-DC power converters;
each power converter having a first input port and a first output port, and each of the solar panels within a corresponding group of solar panels being connected in parallel to the first input port; anda second stage comprising a DC-to-AC inverter having a second input port and a second output port, the first outputs of each DC-to-DC converter of the first stage being connected in parallel to the second input port of the DC-to-AC inverter of the second stage; wherein when each DC-to-DC power converter is positioned in close proximity to the corresponding group of solar panels and when the second stage is positioned remotely from the corresponding group of solar panels, the second output port provides power originating from the solar panel array to an AC power line. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A solar panel array system comprising:
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a solar panel array comprising one or more groups of solar panels comprising a parallel connection of a first plurality of sub-groups of solar panels, each sub-group comprising a series connection of a second plurality of solar panels; and a split power inverter comprising; a first stage comprising one or more DC-to-DC power converters;
each power converter having a first input port and a first output port, and each of the sub-groups of solar panels within a corresponding group of solar panels being connected in parallel to the first input port; anda second stage comprising a DC-to-AC inverter having a second input port and a second output port, the first outputs of each DC-to-DC converter of the first stage being connected in parallel to the second input port of the DC-to-AC inverter of the second stage; wherein when each DC-to-DC power converter is positioned in close proximity to the corresponding group of solar panels and when the second stage is positioned remotely from the corresponding group of solar panels, the second output port provides power originating from the solar panel array to an AC power line. - View Dependent Claims (8, 9, 10, 11)
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Specification