An experimental study on the applicability of acoustic emission for wind turbine gearbox health diagnosis

被引：37

作者：

Chacon, Juan Luis Ferrando ^{[1
]}

Andicoberry, Estefania Artigao ^{[1
]}

Kappatos, Vassilios ^{[1
]}

Papaelias, Mayorkinos ^{[2
]}

Selcuk, Cem ^{[1
]}

Gan, Tat-Hean ^{[1
,3
]}

机构：

[1] Brunel Univ, Brunel Innovat Ctr, Kingston Lane, Uxbridge UB8 3PH, Middx, England

[2] Univ Birmingham, Sch Met & Mat, Birmingham B15 2TT, W Midlands, England

[3] TWI, Granta Pk, Cambridge, England

来源：

JOURNAL OF LOW FREQUENCY NOISE VIBRATION AND ACTIVE CONTROL | 2016年 / 35卷 / 01期

关键词：

Acoustic emission; condition monitoring; gearbox; wind turbine; ROLLING-CONTACT FATIGUE; FAULT-DIAGNOSIS; VIBRATION; DEFECT; IDENTIFICATION; GENERATION; SIGNAL; NOISE;

D O I：

10.1177/0263092316628401

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

Condition monitoring of wind turbine gearboxes has mainly relied upon vibration, oil analysis and temperature monitoring. However, these techniques are not well suited for detecting early stage damage. Acoustic emission is gaining ground as a complementary condition monitoring technique as it offers earlier fault detection capability compared with other more established techniques. The objective of early fault detection in wind turbine gearboxes is to avoid unexpected catastrophic breakdowns, thereby reducing maintenance costs and increase safety. The aim of this investigation is to present an experimental study the impact of operational conditions (load and torque) in the acoustic emission activity generated within the wind turbine gearbox. The acoustic emission signature for a healthy wind turbine gearbox was obtained as a function of torque and power output, for the full range of operational conditions. Envelope analysis was applied to the acoustic emission signals to investigate repetitive patterns and correlate them with specific gearbox components. The analysis methodology presented herewith can be used for the reliable assessment of wind turbine gearbox subcomponents using acoustic emission.

引用

页码：64 / 76

页数：13

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