Abstract

In this work, in order to realize the possible defects at the cable joint interface, four different types of artificial defects are provided such as conducting, insulating substances, void and scratches. The analysis related to the PD patterns has been performed by means of phase resolved partial discharge analysis (PRPDA) and chaotic analysis of partial discharge (CAPD) as well. The latter has been proposed by our previous communication. As a result, it could be pointed out that each defect has shown particular characteristics in its pattern respectively and that the nature of defect causing partial discharge could be identified more distinctively when the CAPD is combined with conventional statistic method, PRPDA.

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