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Systems and methods for detecting damage in rotary machines

A technology of rotating machines and rotating shafts, applied in the direction of rotating bearings, monitoring of machines/engines, wind turbines, etc., and can solve problems such as lateral movement of the main shaft

Pending Publication Date: 2021-02-02
GENERAL ELECTRIC RENOVABLES ESPANA SL
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Some environmental and / or operating conditions can also cause the spindle to move laterally

Method used

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  • Systems and methods for detecting damage in rotary machines
  • Systems and methods for detecting damage in rotary machines
  • Systems and methods for detecting damage in rotary machines

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Embodiment Construction

[0073] Reference will now be made in detail to embodiments of the invention, one or more examples of which are illustrated in the accompanying drawings. Each example is provided by way of explanation of the invention, not limitation of the invention. In fact, it will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the scope or spirit of the invention. For example, features illustrated or described as part of one embodiment can be used with another embodiment to yield a still further embodiment. Thus, it is intended that the present invention cover such modifications and variations as come within the scope of the appended claims and their equivalents.

[0074] In general, the present disclosure relates to systems and methods for detecting damaged components in rotating machines, such as wind turbines. More specifically, the present disclosure provides early detection of wind turbine ...

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Abstract

A method for detecting damage in a bearing coupled to a rotating shaft of a rotary machine includes receiving one or more measurement signals from one or more first sensors for monitoring movement ofthe rotating shaft in one or more directions over a time period. The method also includes removing an effect of one or more environmental and / or operating conditions of the rotary machine from the oneor more measurement signals over the time period. After removing, the method includes analyzing changes in the one or more measurement signals from the one or more first sensors, wherein changes in the one or more measurement signals above a predetermined threshold or of a certain magnitude are indicative of a damaged bearing. Moreover, the method includes implementing a corrective action when the changes in the one or more measurement signals are above the predetermined threshold.

Description

technical field [0001] The present disclosure relates generally to rotating machines, and more particularly to systems and methods for detecting damage in such rotating machines. Background technique [0002] Wind power is considered to be one of the cleanest and greenest energy sources available, and wind turbines are receiving increasing attention in this regard. A modern wind turbine typically includes a tower, generator, gearbox, nacelle, and one or more rotor blades. The rotor blades capture the kinetic energy of the wind using known airfoil principles. The rotor blades transfer kinetic energy in the form of rotational energy, turning a low speed main shaft which couples the rotor blades to a gearbox or, if a gearbox is not used, directly to a generator. For example, a generator may be coupled to a low speed main shaft such that rotation of the shaft drives the generator. For example, a generator may include a high speed generator shaft rotatably coupled to a main sh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03D17/00
CPCF03D17/00F03D80/70F05B2240/50F05B2260/80F05B2270/321F05B2270/32F05B2270/327F05B2270/335F16C2233/00F16C2360/31F16C41/00F16C17/24F16C19/52F16C19/527Y02E10/72F03D80/50G01M13/04
Inventor I·考尔F·W·惠勒M·J·里佐J·J·米霍克
Owner GENERAL ELECTRIC RENOVABLES ESPANA SL
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