MODELING METHOD OF STATOR TEMPERATURE OF PMSG WIND TURBINE

Yang Mingdai; Wang Xian; Zhao Qiancheng; Hu Fang; Yang Xuebing

doi:10.19912/j.0254-0096.tynxb.2020-0891

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Acta Energiae Solaris Sinica ›› 2022, Vol. 43 ›› Issue (5) : 319-326. DOI: 10.19912/j.0254-0096.tynxb.2020-0891

MODELING METHOD OF STATOR TEMPERATURE OF PMSG WIND TURBINE

Yang Mingdai¹, Wang Xian¹, Zhao Qiancheng¹, Hu Fang², Yang Xuebing²

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Abstract

By analyzing the temperature change characteristics and heat transfer process of the generator stator of large permanent magnet synchronous generator （PMSG） in mountain wind farm, a wind turbine SCADA data-based generator stator temperature modeling method was proposed in this paper. Firstly, the change of stator temperature in the operating process of wind turbine was analyzed and then the generator stator temperature was modeled according to the heat transfer process in PMSG; Finally, the model parameters were solved by using SCADA data of wind turbine in normal operation. According to the instance analysis results, the average error absolute of temperature estimation of the model is 0.59 ℃ and the model is highly accurate when the wind turbine is in normal state; when the wind turbine state is abnormal, the average error absolute of the model temperature estimation is 5.17 ℃, and the accuracy is significantly reduced. The model can be used for wind turbine state assessment.

Key words

wind power / wind turbines / stators / PMSG / temperature data analysis / status report

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Yang Mingdai, Wang Xian, Zhao Qiancheng, Hu Fang, Yang Xuebing. MODELING METHOD OF STATOR TEMPERATURE OF PMSG WIND TURBINE[J]. Acta Energiae Solaris Sinica. 2022, 43(5): 319-326 https://doi.org/10.19912/j.0254-0096.tynxb.2020-0891

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