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Strathprints serves world leading Open Access research by the University of Strathclyde, including research by the Strathclyde Institute of Pharmacy and Biomedical Sciences (SIPBS), where research centres such as the Industrial Biotechnology Innovation Centre (IBioIC), the Cancer Research UK Formulation Unit, SeaBioTech and the Centre for Biophotonics are based.

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An investigation into electromagnetic radiation due to partial discharges in high voltage equipment based on non-contact measurements

Xiao, S. and Moore, P.J. and Judd, M.D. and Portugues, I. (2008) An investigation into electromagnetic radiation due to partial discharges in high voltage equipment based on non-contact measurements. In: Electrical Insulation, 2008. Proceedings of the 2008 IEEE International Symposium on Electrical Insulation. IEEE, pp. 567-570.

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Abstract

The non-contact PD measurement is based on wideband radiometry to detect the radiated electromagnetic waves. This paper studies the propagation characteristics of the radiation by considering a current transformer (CT) as an example in both modeling simulation and experimental tests. A three-dimensional model is established for finite element analysis of the radiated emissions from a current transformer, incorporating two kinds of insulation materials, air and transformer oil. Studies are made of the effects of the insulation material properties and the structure of the CT tank, for which frequency response and resonance are also analyzed by the finite element method. Simulation results obtained are evaluated and used together to inform the design of practical experiments. This paper describes these experiments and draws its conclusions based on their comparison, and indicates the effect of resonant frequencies on the receiving frequency spectra.