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Electrical treeing is a common cause of polymeric insulation failure. Visually oriented research into this ageing mechanism has been limited exclusively to laboratory based exercises. Employing relatively high speed and high resolution cameras have advanced the acquisition of progressive, two dimensional digital colour electrical tree growth images. This paper presents an analysis of processed harmonic...
This paper critically reviews the electrical tree growth measurement techniques commonly employed. The paper continues, describing the development of a user friendly software tool using MATLAB. This tool quantitatively evaluates a host of electrical tree growth images using various techniques, including fractal index, width length ratio and intensity frequency analysis. The software methodology, associated...
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