On-Site Identification of Zero Resistance Insulator Based on Infrared Thermal Image and Weights-Direct-Determination Neural Network

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Abstract:

A method using infrared thermal images and weights-direct-determination neural network (WDDNN) to identify the zero resistance insulators on-site is presented. The basic procedures were as follows: the infrared thermal image were denoised, intensified, segmented, and a rectangular which was regarded as object was intercepted in the insulators chain; in view of the relationship between gray value of infrared thermal images and temperature of object surface, four parameters which stand for standard deviation, absolute deviation, quartiles and range of gray value, were extracted directly; these four parameters were used as the input of WDDNN to train the model, which could be used identifing the zero resistance insulators after being trained. This method can effectively avoid the interference of transmission lines, and can meet the real-time require when identifying on-site. Experimental results verify the feasibility and effectiveness of this method.

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417-420

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December 2013

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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[1] Hu Yue, Jiang, Xiuchen, Zhong Yanbing, etal: Design of a hand-held faulty insulator detector based on wireless communication. High Voltage Engineering, 2008, 34(2): 280-284.

Google Scholar

[2] Xiaojun Shen, Xiuchen Jiang, Yangchun Cheng, etal. A novel method for live detection of faulty direct current insulators. IEEE Transactions on Power Delivery, 2008 , 23(1): 24-30.

DOI: 10.1109/tpwrd.2007.909143

Google Scholar

[3] Zhang Hailong, Guan Genzhi, Zhou Jin, et al. Application of improved ART2 neural network for the on-line diagnosis of faulty insulators. Journal of Hunan University(Natural Sciences), 22008, 35(10): 41-45.

Google Scholar

[4] He Wei, Yang Fan, Wang Jingang, etal. Inverse Application of Charge Simulation Method in Detecting Faulty Ceramic Insulators and Processing Influence From Tower. IEEE Transactions on Magnetics, 2006, 42(4): 723-726.

DOI: 10.1109/tmag.2006.871393

Google Scholar

[5] Yao Jiangang, Guan Shilei, Lu Jiazheng, et al. Identification of zero resistance insulators by combining relative temperature distribution characteristics with artificial neural network. Power System Technology, 2012, 36(2): 170-175.

Google Scholar

[6] Chen Linhua, Liang Xidong. Computational analysis on voltage distribution along ceramic insulator string of UHV transmission line. High Voltage Engineering, 2012, 38(2): 376-381.

Google Scholar

[7] Yangchun Cheng, Chengrong Li,. Study of corona discharge pattern on high voltage transmission lines for inspecting faulty porcelain insulators. IEEE Transactions on Power Delivery, 2008 , 23(2): 945-952.

DOI: 10.1109/tpwrd.2007.905551

Google Scholar

[8] He hongying, Yao Jiangang, Luo Diansheng. Mixed denoising method for infrared image. Computer Engineering and Applications, 2010 (6): 7-9.

Google Scholar

[9] He Hongying, Yao Jiangang, Jiang Zhenglong, et al. Contamination grades recognition of insulators under different humidity using infrared image features and RBPNN. Proceeding of the CSEE, 2006, 26(8): 117-123.

Google Scholar

[10] Zhang Yunong, Yang Yiwen, Li Wei. Weights-direct-determination neural network. Zhongshan University Press, (2010).

Google Scholar