风力机叶片损伤故障检测技术研究进展

doi:10.12096/j.2096-4528.pgt.20044

摘要/Abstract

摘要：

针对目前风力机叶片损伤状态检测和故障诊断的方法开展综述，指出其研究现状和值得研究的问题。综述了风力机叶片的故障类型及其对应的故障机理以及5种常用的风力机叶片状态检测和故障诊断的方法。通过分析各种检测技术的优缺点发现，各种损伤检测技术都能够对风力机叶片存在的缺陷进行有效的检测，但是单一的检测技术已经无法满足对叶片损伤故障检测的要求，因此，可以采用多种检测技术相结合的方式对叶片进行综合检测。

关键词: 风力机叶片, 故障诊断, 状态检测

Abstract:

The methods of damage state detection and fault diagnosis of wind turbine blades were reviewed, and the research status and problems worthy of study were pointed out. The fault types and corresponding fault mechanism of wind turbine blades, several commonly used methods of state detection and fault diagnosis of wind turbine blades were summarized. The advantages and disadvantages of various detection techniques were analyzed. It is found that all kinds of damage detection technology can effectively detect defects in wind turbine blades, but single detection technology has been unable to meet the requirements of blade damage fault detection. Therefore, a variety of detection techniques can be used to conduct comprehensive detection of the blade.

Key words: wind turbine blade, fault diagnosis, status detection

中图分类号:

TK83
TM315

杨昌杏, 李录平. 风力机叶片损伤故障检测技术研究进展[J]. 发电技术, 2020, 41(6): 599-607.

Changxing YANG, Luping LI. Research Progress on Blade Damage Fault Detection Technology of Wind Turbine[J]. Power Generation Technology, 2020, 41(6): 599-607.

图/表 3

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检测技术	适用范围	优点	缺点
振动检测	裂纹、开裂、覆冰	灵敏度高、实用性强	早期故障难以检测
超声波检测	内部缺陷检测	操作简单、定位缺陷准确	效率低、破坏材料性能
红外热成像检测	开裂、分层、裂纹等	制作方便、远距离检测	传热性好、表面发射率高
声发射检测	裂纹、断裂、腐蚀	适用性强、较高检测灵敏度	准确性不高
光纤光栅检测	裂纹、断裂	灵敏度高、抗干扰能力强	检测成本高

检测技术	适用范围	优点	缺点
振动检测	裂纹、开裂、覆冰	灵敏度高、实用性强	早期故障难以检测
超声波检测	内部缺陷检测	操作简单、定位缺陷准确	效率低、破坏材料性能
红外热成像检测	开裂、分层、裂纹等	制作方便、远距离检测	传热性好、表面发射率高
声发射检测	裂纹、断裂、腐蚀	适用性强、较高检测灵敏度	准确性不高
光纤光栅检测	裂纹、断裂	灵敏度高、抗干扰能力强	检测成本高

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