Methods of computing steady-state voltage stability margins of power systems
US-2015378387-A1 · Dec 31, 2015 · US
Method and device for maximum power point tracking of photovoltaic module systems
US8957643B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8957643-B2 |
| Application number | US-201313846312-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 18, 2013 |
| Priority date | Sep 18, 2012 |
| Publication date | Feb 17, 2015 |
| Grant date | Feb 17, 2015 |
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Abstract
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A method of maximum power point tracking for a photovoltaic module system is disclosed. The photovoltaic module system may comprise a photovoltaic module array comprising a plurality of identical photovoltaic modules, and the tracking method may comprise: detecting system parameters and environmental parameters of the photovoltaic module array; estimating a first voltage coefficient of one photovoltaic module according to the system parameters and the environmental parameters; estimating a plurality of second voltage coefficients of the photovoltaic module array according to the first voltage coefficient with different shading ratios; estimating a plurality of local maximum power point powers according to corresponding second voltage coefficients; and determining a whole maximum power point by comparing the local maximum power point powers with one another.
First claim
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What is claimed is: 1. A method of maximum power point tracking for a photovoltaic module system, wherein the photovoltaic module system comprises a photovoltaic module array comprising a plurality of identical photovoltaic modules, and the tracking method comprises: detecting system parameters and environmental parameters of the photovoltaic module array; estimating a first voltage coefficient of one photovoltaic module according to the system parameters and the environmental p…
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- What does patent US8957643B2 cover?
- A method of maximum power point tracking for a photovoltaic module system is disclosed. The photovoltaic module system may comprise a photovoltaic module array comprising a plurality of identical photovoltaic modules, and the tracking method may comprise: detecting system parameters and environmental parameters of the photovoltaic module array; estimating a first voltage coefficient of one phot…
- Who is the assignee on this patent?
- Univ Nat Taiwan
- What technology area does this patent fall under?
- Primary CPC classification G05F5/00. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Feb 17 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 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).