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Moisture Content Determination of Transformer Oil by Using Terahertz Time-Domain Spectroscopy |
JIANG Qiang1,WANG Yue2*,WEN Zhe3,WANG Ji-hua4 |
1. Chengdu Product Quality Supervision & Inspection Institute, Chengdu 610000, China
2. State Key Laboratory Breeding Base of Dielectrics Engineering, Harbin University of Science and Technology, Harbin 150080,China
3. Chengdu Institute of Product Quality Inspection Co., Ltd., Chengdu 610000, China
4. China Resources Power(HaiFeng)Co., Ltd., Shanwei 516468, China |
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Abstract The maintenance of the transformer is more and more important and the analysis of moisture content in transformer oil has become a very important part of transformer maintenance. Water is known as a strong absorber for THz radiation due to its distinctive intermolecular vibration in this frequency range. In the present work, we analyzed transformer oils regarding their water content by THz spectroscopy. Based on THz time-domain spectroscopy, information about the absorption coefficient and the refractive index of the oil samples is provided. By comparing the results with relevant theories we demonstrate that both the absorption coefficient and the refractive index are linearly related to the concentration of water in the oil solutions.
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Received: 2017-02-14
Accepted: 2017-06-12
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Corresponding Authors:
WANG Yue
E-mail: wsbte@126.com
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[1] LU Long-hui, ZHU Chang-ping, CHEN Jun, et al(路龙惠,朱昌平,陈 畯,等). Journal of Hebei University(河北大学学报),2006,26(6): 668.
[2] Walrafen G, Chu Y, Piermarini G. Journal of Physical Chemistry, 1996, 100(24): 10363.
[3] Ronne C,Keiding S R. Journal of Molecular Liquids, 2002, 1(1-3): 199.
[4] Yu B L. Appl. Phys. Lett., 2005, 86(6): 1.
[5] Tsaur G Y, Wang. J. Phys. Rev. A, 2009,80(2): 3802.
[6] Jiang Q, Wang Xuan, Wang Yue, et al. Chinese Optical Letter, 2013, 9: 1671.
[7] Winnewisser C. Appl. Phys. Lett., 1997, 70(23): 3069.
[8] Wu Q, Zhang X C. Optical and Quantum Electronics, 1996, 8(7):945.
[9] WANG Xuan, JIANG Qiang, WANG Yue, et al(王 暄,蒋 强,王 玥,等). Spectroscopy and Spectral Analysis(光谱学与光谱分析),2014,34(8): 2053.
[10] Gerthsen C, Gerthsen P. Springer Berlin, 1997.
[11] Born M, Wolf E. Principles of Optics, 2nd ed. Oxford: Pergamon Press, 1964. |
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