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Systems and method for operating an active flow control system for a wind turbine

一种流控制系统、控制系统的技术，应用在利用气体流动的清洁方法、化学仪器和方法、风力发动机的控制等方向，能够解决降低风力涡轮机输出功率等问题

Active Publication Date: 2011-05-11
GENERAL ELECTRIC CO
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Additionally, fouling on blade surfaces and / or in AFC systems can reduce the power output of systems using airfoils and / or AFC systems, such as wind turbines
However, manual cleaning of the individual holes of an AFC system is impractical due to the large number of holes in at least some known AFC systems, and / or the duration required to take the wind turbine offline for such manual cleaning

Method used

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  • Systems and method for operating an active flow control system for a wind turbine
  • Systems and method for operating an active flow control system for a wind turbine
  • Systems and method for operating an active flow control system for a wind turbine

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Embodiment Construction

[0021] Embodiments described herein provide a corrective / preventive solution to active flow control (AFC) system fouling by operating devices in a wind turbine in a second mode different from the first or normal mode. During the second mode, the devices available in the wind turbine operate differently than in the normal mode. The second mode may additionally or alternatively comprise operating an additional, permanently present maintenance device. Compared to solutions for fouling that include additional devices and / or systems, the systems and methods described herein provide a solution to fouling in a wind turbine by operating existing devices in the wind turbine according to a second mode of operation. A low-cost solution to fouling of AFC systems.

[0022] figure 1 is a perspective view of an exemplary wind turbine 10 . In the exemplary embodiment, wind turbine 10 is a near horizontal axis wind turbine. In another embodiment, wind turbine 10 may have any suitable tilt...

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PUM

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Abstract

A flow control system (200) for use with a wind turbine (10) is provided. The flow control system including an air distribution system (102,202) at least partially defined within at least one blade (22) of the wind turbine, the air distribution system comprising at least one aperture (108,208) defined through the at least one blade, and a control system (36) in operational control communication with the air distribution system. The control system is configured to operate the flow control system in a first mode, and operate the flow control system in a second mode different than the first mode to facilitate removing debris from the flow control system, the second mode including varying at least one of a velocity, a flow rate, and a direction of a fluid flow of the flow control system.

Description

technical field [0001] Embodiments described herein relate generally to methods and systems for maintaining active flow control systems and, more particularly, to methods for removing debris from active flow control systems and / or preventing active flow control systems. Methods and systems for controlling debris accumulation in a system. Background technique [0002] Active Flow Control (AFC) is a general term for techniques and / or systems that actively attempt to influence the aerodynamic response of an object in response to given in-flow conditions. More specifically, at least some known AFC systems are used to manipulate flow conditions over an airfoil. The term "airfoil" as used herein refers to a turbine blade, airfoil, and / or any other suitable airfoil. While the embodiments described herein refer to turbine blades, it should be understood that the embodiments described herein may be used with any suitable airfoil. In contrast to known passive flow control systems t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03D7/04F03D1/06B08B5/02
CPCF03D1/0608F03D7/022F03D7/042F05B2260/63F03D80/55Y02E10/72
Inventor J·J·尼斯W·哈恩斯
Owner GENERAL ELECTRIC CO
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