Title: Video surveillance-based insulator condition monitoring analysis for substation monitoring system (SMS)

Authors: Velaga Sreerama Murthy, D.K. Mohanta, Sumit Gupta

Addresses: Department of Computer Science and Engineering, MVGR College of Engineering, Vizianagaram – 535005, India. ' Department of Electrical and Electronics Engineering, Birla Institute of Technology (Deemed University), Mesra, Ranchi – 835215, India. ' Department of Computer Science and Engineering, MVGR College of Engineering, Vizianagaram – 535005, India

Abstract: Video surveillance (VS) of electric power lines along with its accessories such as insulators has emerged as a potential alternative for the traditional practice of on-site physical detection. There has been a paradigm shift in electric substation automation using substation monitoring system (SMS). Since the damaged insulators severely affect the distribution system performance in terms of reduction in voltage as well as flow of leakage currents, therefore, the incorporation of insulator health as an augmented feature in SMS would improve the quality and reliability of power supply. By using information technology, the automation of insulator monitoring of power system is made faster to recover the fault system immediately. This paper presents a methodology for insulator condition analysis based on VS combined with wavelet coefficient differentiator (WCD) for SMS purposes. The case studies and results contained herein corroborate the efficacy of the proposed methodology to dispense with the conventional on-site physical methods, which are not only tedious, but also time-consuming.

Keywords: video surveillance; substation monitoring systems; wavelet coefficient differentiator; image processing; condition monitoring; electric power lines; insulators; electricity substations.

DOI: 10.1504/IJICT.2011.039520

International Journal of Information and Communication Technology, 2011 Vol.3 No.1, pp.11 - 31

Published online: 06 Apr 2011 *

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