Electrical power system
US-2024002062-A1 · Jan 4, 2024 · US
Power transmission systems
US9178456B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9178456-B2 |
| Application number | US-201113638766-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 4, 2011 |
| Priority date | Apr 6, 2010 |
| Publication date | Nov 3, 2015 |
| Grant date | Nov 3, 2015 |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
A power transmission system may include a plurality of renewable-energy devices such as wind turbines or subsea turbines. The devices are connected together in parallel to a subsea cable that carries an ac transmission voltage. Each device includes a turbine assembly that is rotated by wind or water current flows, and a variable speed ac induction generator. A power converter is connected to the subsea cable and is used to interface the generators to a supply network or power grid. The power transmission system is operated such that an indicated operating speed of one or more of the devices is used to control the power converter (e.g. the PWM strategy that is used to open and close the power semiconductor devices) to achieve desired stator electrical quantities at each generator.
First claim
Opening claim text (preview).
What is claimed is: 1. A power transmission system comprising: a plurality of renewable-energy turbines connected in parallel to a power converter, each renewable-energy turbine including a turbine assembly and an induction generator; and a controller for the power converter; wherein the controller uses: (i) an indication of the operating speed of one or more of the renewable-energy turbines, and/or (ii) an indication of the speed of the fluid flows acting on the turbine as…
Assignees
Inventors
Classifications
Electricity · mapped topic
- H02P9/02Primary
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
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Frequently asked questions
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- What does patent US9178456B2 cover?
- A power transmission system may include a plurality of renewable-energy devices such as wind turbines or subsea turbines. The devices are connected together in parallel to a subsea cable that carries an ac transmission voltage. Each device includes a turbine assembly that is rotated by wind or water current flows, and a variable speed ac induction generator. A power converter is connected to th…
- Who is the assignee on this patent?
- Smith Christopher Alan, Moreman Matthew James, Burt Leonard William, and 2 more
- What technology area does this patent fall under?
- Primary CPC classification H02P9/02. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Nov 03 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).