Electrical power multiplication
US-9513652-B2 · Dec 6, 2016 · US
Method and arrangement for feeding electrical power from a wind energy installation into an AC voltage system
US9110481B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9110481-B2 |
| Application number | US-201114345288-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 15, 2011 |
| Priority date | Sep 15, 2011 |
| Publication date | Aug 18, 2015 |
| Grant date | Aug 18, 2015 |
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Abstract
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Electrical power is fed from a wind energy installation into an AC voltage system via an energy transmission path, which is delimited by an installation-side transformer and a system-side transformer. A power factor correction device is connected, at a common node between the energy transmission path and the AC voltage system using a closed-loop control device, which controls the wind energy installation and which receives a variable which is proportional to the reactive power on the energy transmission path and a further measured variable. A measurement signal produced at the output of the power factor correction device is used as further measured variable. The closed-loop controller has such a control characteristic that the voltage on the low-voltage side of the system-side transformer increases, depending on the reactive power on the energy transmission path, from the inductive range to the capacitive range.
First claim
Opening claim text (preview).
The invention claimed is: 1. A method of operating a system for feeding electrical power from a wind energy installation into an AC voltage system via an energy transmission path, which is delimited on one side by an installation-side transformer and on another side by a system-side transformer with a power factor correction device connected thereto, at a common node between the energy transmission path and the AC voltage system, the method comprising: determining a variable that…
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Mechanical Engineering · mapped topic
- G05F3/04Primary
Physics · mapped topic
Cross-Sectional Technologies · mapped topic
Physics · mapped topic
Mechanical Engineering · mapped topic
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Frequently asked questions
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- What does patent US9110481B2 cover?
- Electrical power is fed from a wind energy installation into an AC voltage system via an energy transmission path, which is delimited by an installation-side transformer and a system-side transformer. A power factor correction device is connected, at a common node between the energy transmission path and the AC voltage system using a closed-loop control device, which controls the wind energy in…
- Who is the assignee on this patent?
- Strobl Bernhard, Siemens Ag
- What technology area does this patent fall under?
- Primary CPC classification G05F3/04. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Aug 18 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).