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Partial discharge detection using low cost RTL-SDR model for wideband spectrum sensing

Mohamed, H. and Lazaridis, P. and Upton, D. and Khan, U. and Saeed, B. and Jaber, A. and Zhang, Y. and Mather, P. and Vieira, M. F. Q. and Barlee, K. W. and Atkinson, D. S. W. and Glover, I. A. (2016) Partial discharge detection using low cost RTL-SDR model for wideband spectrum sensing. In: International Conference on Telecommunications. IEEE, Greece. (In Press)

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Abstract

Partial discharge (PD) is one of the predominant factors to be controlled to ensure reliability and undisrupted function of power generators, motors, Gas Insulated Switchgear (GIS) and grid connected power distribution equipment, especially in the future smart grid. The emergence of wireless technology has provided numerous opportunities to optimize remote monitoring and control facilities that can play a significant role in ensuring swift control and restoration of HV plant equipment. In order to monitor PD, several approaches have been employed, however, the existing schemes do not provide an optimal approach for PD signal analysis, and are very costly. In this paper an RTL-SDR (Software Defined Radio) based spectrum analyzer has been proposed in order to provide a potentially low-cost solution for PD detection and monitoring. Initially, a portable spectrum analyzer has been used for PD detection that was later replaced by an RTL-SDR device. The proposed schemes exhibit promising results for spectral detection within the VHF and UHF bands.