Fault-tolerant control technique of open-winding brushless doubly-fed wind power generator based on dual three-level converters

2017 ◽  
Author(s):  
S. Jin ◽  
L. Shi ◽  
L. Zhu ◽  
G. Liu ◽  
Y. Zhang
Keyword(s):  
Wind Power ◽  
Fault Tolerant ◽  
Fault Tolerant Control ◽  
Control Technique ◽  
Power Generator ◽  
Wind Power Generator ◽  
Doubly Fed

A Planet Bearing Fault Case of Wind Turbine Gearbox

2014 ◽  
Vol 953-954 ◽  
pp. 472-477 ◽  
Author(s):  
Jia Xu ◽  
Jin Zhang ◽  
Tie Chen ◽  
Rui Hua Liu
Keyword(s):  
Wind Power ◽  
Typical Case ◽  
Wind Turbine Gearbox ◽  
Power Generator ◽  
Bearing Fault ◽  
Gear Fault ◽  
Wind Power Generator ◽  
Speed Up ◽  
Planet Gear ◽  
Doubly Fed

Doubly-fed wind power generator takes the largest share of wind energy. However, as the most important part, the speed-up gearbox is easy to be damaged. The existing researches about gearbox faults are mainly about gear fault, the study of bearing fault is relatively less compared with gear fault, expecially for the bearing fault of planet gear. This article presents a typical case of bearing fault about planet gear, which contains the cause of vibration behaviour and the analysis of fault.

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