Wind Turbine Gearbox Transmission Chain Forced Vibration Analysis Exerted by Random Actuator

Abstract:

The reason for the gearbox high failure rate is mainly its poor working environment, especially the vibration due to random actuator. Consequently, its necessary to study the gearbox vibration characteristics under random actuators to prevent from serious damage caused by a resonance. In order to follow the actual working condition, random input speed and random torque actuators are inputted with power spectrum density method (PSD). 64 orders of natural frequencies, displacement frequency response and modal participation factor are obtained after computation and simulation. The analysis results indicate transmission system resonance occurs likely. In addition, displacement vibration responses of planet gears and high speed shaft are the largest, which are the easiest to cause vibration fatigue damage. Keywords: wind turbine gearbox, transmission chain, vibration analysis, random actuator

• Periodical: Applied Mechanics and Materials (Volume 472)
• Pages: 22-26
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.472.22
• Online since: January 2014
• Authors: Zi Min Liu, Zhi Ling Yang
• Keywords: Random Actuator, Transmission Chain, Vibration Analysis, Wind Turbine Gearbox

References

[1] Zhang Yan. Dynamic Simulation of Large Wind Turbine Gearbox [D]. Beijing: North Chin Electric University, (2010).

[2] Wenjing Zhou, Yanxia Shen and Long Wang. Fault diagnosis for wind turbine gearbox based on wavelet analysis[C]/Control and Decision Conference (CCDC), 2012 24th Chinese. IEEE, 2012: 1638-1641.

DOI: 10.1109/ccdc.2012.6244261

[3] Wu Guoyang, Yi Jianliao and Cheng Rongjiang. Vibration Response Analysis and Experiment on 2. 0 MW Wind Turbine Gearbox[J]. Applied Mechanics and Materials, 2012, 215: 851-856.

DOI: 10.4028/www.scientific.net/amm.215-216.851

[4] Fu Song. Selection Analysis Research of Vibration Point about the Wind Motor Gearbox Fault Diagnosis[D]. Xingjiang: Xingjiang university, (2011).

[5] Zhong Rimin. Pro/ENGINEEER Wildfire 4. 0 Assembly and Product Design[M]. Beijing: Qstinghua University Press, (2008).

[6] Li Zenggang. ADAMS Introduction and Examples[M]. Beijing: National Defence Industry Press, (2006).

[7] Ren qingchen. Wind Turbine Theory and technology base[M]. Beijing: Mechanical Industry Press, (2010).

[8] Zhou Jianxing. MATLAB Introduction to Proficientness[M]. Beijing: People's posts and telecommunications Press, (2008).

[9] Ji wenmei. Mechanical Vibration [M]. Beijing: Science Press, (1985).