STUDY ON DYNAMIC TEMPERATURE RESPONSE OF WIND TURBINE GEARBOX

Li Yuanzheng; Cui Quanwei; Zhou Jianxing; Wen Jianmin; Fei Xiang; Su Yongzheng

doi:10.19912/j.0254-0096.tynxb.2023-1340

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Acta Energiae Solaris Sinica ›› 2024, Vol. 45 ›› Issue (12) : 379-387. DOI: 10.19912/j.0254-0096.tynxb.2023-1340

STUDY ON DYNAMIC TEMPERATURE RESPONSE OF WIND TURBINE GEARBOX

Li Yuanzheng¹, Cui Quanwei¹, Zhou Jianxing¹, Wen Jianmin^1,2, Fei Xiang¹, Su Yongzheng¹

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Abstract

To investigate the temperature field characteristics of a wind turbine gearbox, we focused on the gearbox transmission system of a 2 MW wind turbine. A coupling dynamic model of gears, shafts, and bearings was constructed using the centralized mass method. By applying the principles of heat transfer, we developed a numerical analysis model to simulate the dynamic temperature field of the system. The dynamic load was considered as the input variable to obtain the system's temperature response. To evaluate the accuracy of the numerical analysis model, a comparison was made between the model's results and the measured data, the findings demonstrated the model's effectiveness in analyzing and calculating the dynamic temperature under wind load. The high-temperature region within the temperature field of transmission system was identified at the position of the high-speed shaft bearing. Compared with the transmission system without the influence of wind load, the temperature response of the system under the influence of wind load is gradually sensitive in the process of continuous growth.

Key words

wind turbines / thermal analysis / gearbox / wind load / system heat dissipation / temperature field

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Li Yuanzheng, Cui Quanwei, Zhou Jianxing, Wen Jianmin, Fei Xiang, Su Yongzheng. STUDY ON DYNAMIC TEMPERATURE RESPONSE OF WIND TURBINE GEARBOX[J]. Acta Energiae Solaris Sinica. 2024, 45(12): 379-387 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1340

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