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Bearing vibration monitoring method and system and computer readable storage medium

A bearing vibration and bearing technology, which is applied in the field of bearing vibration monitoring method and system and computer readable storage medium, can solve the problems that the distributed energy cannot achieve a significant effect, misjudgment and missed judgment, etc., to achieve accurate monitoring and reduce false positives. Judgment rate, improve the effect of accuracy

Active Publication Date: 2021-02-09
SHANGHAI ELECTRIC WIND POWER GRP CO LTD
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Problems solved by technology

However, the multi-scale FFT setting will cause the energy allocated on the corresponding frequency to fail to achieve a significant effect, which may cause misjudgment and missed judgment.

Method used

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  • Bearing vibration monitoring method and system and computer readable storage medium
  • Bearing vibration monitoring method and system and computer readable storage medium
  • Bearing vibration monitoring method and system and computer readable storage medium

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Embodiment Construction

[0014] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. Embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of means consistent with aspects of the invention as recited in the appended claims.

[0015] The terms used in the embodiments of the present invention are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. Unless otherwise defined, the technical terms or scientific terms used in the embodiments of the present invention shall have the usual meanings understood by those skilled in the field of the present invention. "First", "second" and similar wo...

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Abstract

The embodiment of the invention provides a bearing vibration monitoring method and system and a computer readable storage medium. The method is applied to a wind generating set and comprises the stepsof acquiring vibration data of the wind generating set; converting the vibration data into frequency domain data; resampling the frequency domain data to obtain multi-scale frequency domain data; obtaining a corresponding bearing fault frequency energy state index under multiple scales based on the multi-scale frequency domain data; and processing the bearing fault frequency energy state index under multiple scales to obtain a health index of the bearing so as to monitor the bearing. According to the bearing vibration monitoring method provided by the embodiment of the invention, the bearingcan be monitored more accurately.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of wind power generation, and in particular to a bearing vibration monitoring method, system and computer-readable storage medium applied to wind power generating sets. Background technique [0002] With the gradual depletion of energy sources such as coal and oil, human beings pay more and more attention to the utilization of renewable energy. As a clean and renewable energy, wind energy has been paid more and more attention by countries all over the world. With the continuous development of wind power technology, the application of wind turbines in power systems is increasing. Wind turbines are large-scale equipment that convert wind energy into electrical energy, and are usually installed in areas rich in wind energy resources. In order to detect potential faults of wind turbines in advance and ensure the normal operation of wind turbines, it is necessary to monitor the status ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M13/045G01H17/00
CPCG01M13/045G01H17/00Y02E10/72
Inventor 成骁彬缪骏马文勇陈晓静
Owner SHANGHAI ELECTRIC WIND POWER GRP CO LTD
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