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Novel computer-based processing system for partial discharge detection and diagnosis.

Research output: Contribution in Book/Report/ProceedingsChapter

Published

Publication date8/11/2004
Host publicationProceedings of the IEEE Instrumentation and Measurement Technology Conference, 2004. IMTC 04.
PublisherIEEE
Pages684-688
Number of pages5
Volume1
ISBN (Print)0-7803-8248-X
Original languageEnglish

Abstract

This paper presents a novel computer-based PD measurement system, which incorporates the conventional partial discharge detection circuits with a real-time oscilloscope of very wide bandwidth up to the order of gigahertz. The calibration pulse of the detection circuit is investigated for the denoising purposes. A sophisticated analytical tool, wavelet analysis, has been proposed and realised to preprocess PD data as acquired in the measuring system. On this basis, PD patterns during an adequate recording duration are given to further identify the origin of the PD source.