Design of distributed feedback fiber laser sensing system for power transformers vibration monitoring

Tianyi Wu; Dandan Zhao; Kai Gao; Xiangyi Xu; Heli Ni; Wenbin Zhao; Fenghong Chu; Rong Fan

doi:10.1117/12.2689597

10 August 2023 Design of distributed feedback fiber laser sensing system for power transformers vibration monitoring

Tianyi Wu, Dandan Zhao, Kai Gao, Xiangyi Xu, Heli Ni, Wenbin Zhao, Fenghong Chu, Rong Fan

Proceedings Volume 12748, 5th International Conference on Information Science, Electrical, and Automation Engineering (ISEAE 2023); 1274834 (2023) https://doi.org/10.1117/12.2689597
Event: 5th International Conference on Information Science, Electrical and Automation Engineering (ISEAE 2023), 2023, Wuhan, China

Abstract

Based on the advantages of Distributed Feedback fiber laser (DFB-FL), such as narrow line width, low noise and long coherence length, a vibration sensing system was designed and used to detect transformers vibration in this paper. The DFB-FL glued on the cantilever was used as the sensing element, the wavelength change of DFB laser was converted into the output intensity change of the interferometer by using unbalanced fiber Michelson interferometer. Cantilever was designed and vibration characteristics was simulated by COMOSOL software with different material. The vibration signal of the winding of the transformer was detected with vibration frequency centered at 100Hz,750Hz, 800Hz and 850Hz.

Citation Download Citation

Tianyi Wu, Dandan Zhao, Kai Gao, Xiangyi Xu, Heli Ni, Wenbin Zhao, Fenghong Chu, and Rong Fan "Design of distributed feedback fiber laser sensing system for power transformers vibration monitoring", Proc. SPIE 12748, 5th International Conference on Information Science, Electrical, and Automation Engineering (ISEAE 2023), 1274834 (10 August 2023); https://doi.org/10.1117/12.2689597

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