Electrostatic monitoring of wind turbine gearbox on oil-lubricated system

被引：22

作者：

Liu, Ruochen ^{[1
]}

Zuo, Hongfu ^{[1
]}

Sun, Jianzhong ^{[1
]}

Wang, Ling ^{[2
]}

机构：

[1] Nanjing Univ Aeronaut & Astronaut, Coll Civil Aviat, Nanjing 211106, Jiangsu, Peoples R China

[2] Univ Southampton, Natl Ctr Adv Tribol Southampton nCATS, Fac Engn & Environm, Southampton, Hants, England

来源：

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE | 2017年 / 231卷 / 19期

基金：

中国国家自然科学基金;

关键词：

Electrostatic monitoring; wind turbine gearbox; oil-line sensor; feature extraction; permutation entropy; performance degradation; MULTISCALE PERMUTATION ENTROPY; FAULT-DIAGNOSIS; POWER DEVELOPMENT; WEAR; PERFORMANCE; CHINA;

D O I：

10.1177/0954406216648985

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The electrostatic sensing technique has been verified to be a viable method for tribo-contact monitoring under laboratory conditions in previous investigations. This paper reports on the evolution of electrostatic monitoring on a real oil-lubricated wind turbine gearbox, using a modified oil-line sensor. In a nominal test and a ramp-up test, features were extracted and the presence of debris can be detected. The permutation entropy was further introduced in an accelerated life test. It can accurately reflect the wear condition of the gearboxes and detect early faults earlier than conventional techniques, which also has a better sensitivity and performance degradation trend than time-domain features.

引用

页码：3649 / 3664

页数：16

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