Method for determining phase angle in phase shift transformer for medium voltage inverter
US-9225278-B2 · Dec 29, 2015 · US
Battery free off-grid solar inverter system and control method thereof
US9106150B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9106150-B2 |
| Application number | US-201213688228-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 29, 2012 |
| Priority date | Dec 2, 2011 |
| Publication date | Aug 11, 2015 |
| Grant date | Aug 11, 2015 |
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Abstract
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A battery free off-grid solar inverter system includes an inverter and a controller. The inverter is used for converting a direct current voltage provided by a solar panel into an alternating current voltage. The inverter has an input terminal, an output terminal, and a control terminal. The input terminal is used for coupling to the solar panel for receiving the direct current voltage, and the output terminal is used for coupling to a load for coupling the alternating current voltage. The controller is coupled to the control terminal for gradually increasing the alternating current voltage to make the direct current voltage be gradually decreased when the battery free off-grid solar inverter system is turned on. The controller stops increasing the alternating current voltage when the direct current voltage is lower than a predetermined direct current voltage value.
First claim
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What is claimed is: 1. A battery free off-grid solar inverter system, the battery free off-grid solar inverter system comprising: an inverter for converting a direct current voltage provided by a solar panel into an alternating current voltage, the inverter having an input terminal, an output terminal, and a control terminal, wherein the input terminal is used for coupling to the solar panel for receiving the direct current voltage, and the output terminal is used for coupling to…
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Frequently asked questions
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- What does patent US9106150B2 cover?
- A battery free off-grid solar inverter system includes an inverter and a controller. The inverter is used for converting a direct current voltage provided by a solar panel into an alternating current voltage. The inverter has an input terminal, an output terminal, and a control terminal. The input terminal is used for coupling to the solar panel for receiving the direct current voltage, and the…
- Who is the assignee on this patent?
- Darfon Electronics Corp
- What technology area does this patent fall under?
- Primary CPC classification H02M7/42. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Aug 11 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).