Systems and methods to balance solar panels in a multi-panel system
US-2015028683-A1 · Jan 29, 2015 · US
Distributed power harvesting systems using DC power sources
US9130401B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9130401-B2 |
| Application number | US-201113182758-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 14, 2011 |
| Priority date | Dec 6, 2006 |
| Publication date | Sep 8, 2015 |
| Grant date | Sep 8, 2015 |
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- Title
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Abstract
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A photovoltaic panel with multiple photovoltaic sub-strings including serially-connected photovoltaic cells and having direct current (DC) outputs adapted for interconnection in parallel into a parallel-connected DC power source. A direct current (DC) power converter including input terminals and output terminals is adapted for coupling to the parallel-connected DC power source and for converting an input power received at the input terminals to an output power at the output terminals. The direct current (DC) power converter optionally has a control loop configured to set the input power received at the input terminals according to a previously determined criterion. The control loop may be adapted to receive a feedback signal from the input terminals for maximizing the input power. A bypass diode is typically connected in shunt across the input terminals of the converter. The bypass diode functions by passing current during a failure of any of the sub-strings and/or a partial shading of the sub-strings. The bypass diode may be a single bypass diode connected across the parallel-connected DC power source. The DC power converter may convert the input power at high current to the output power at a lower current. The output terminals may be connectible with wire cables to a load, and the DC power converter is configured to reduce energy loss through the wire cables to the load.
First claim
Opening claim text (preview).
The invention claimed is: 1. A photovoltaic panel comprising: a plurality of photovoltaic sub-strings each including serially-connected photovoltaic cells, wherein the plurality of photovoltaic sub-strings are connected in parallel across power source terminals; a direct current power converter including input terminals connected to said power source terminals, wherein the direct current power converter is configured to convert input power received at said input terminals to an…
Assignees
Inventors
Classifications
- H02J1/102Primary
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
- H10F77/955Primary
Electricity · mapped topic
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- What does patent US9130401B2 cover?
- A photovoltaic panel with multiple photovoltaic sub-strings including serially-connected photovoltaic cells and having direct current (DC) outputs adapted for interconnection in parallel into a parallel-connected DC power source. A direct current (DC) power converter including input terminals and output terminals is adapted for coupling to the parallel-connected DC power source and for converti…
- Who is the assignee on this patent?
- Adest Meir, Handelsman Lior, Galin Yoav, and 6 more
- What technology area does this patent fall under?
- Primary CPC classification H02J1/102. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Sep 08 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).