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The initial statistical time lag of partial discharge (PD) measurements was eliminated by using short x-ray pulses (duration 50 ns) for triggering. Phase resolved PD (PRPD) patterns at low electric field levels were recorded. No significant difference between the PRPD patterns after x-ray pulse triggering and naturally incepted PDs was observed. These measurements were performed with self-produced...
The use of short x-ray pulses (duration 50 ns) has shown to eliminate the statistical time lag by providing start electrons for the partial discharge (PD) development in a void, which makes it possible to detect very small voids at low electric field levels. In this paper a predefined measurement procedure which includes both a conventional (CONV. PD) and pulsed x-ray induced partial discharge (PXIPD)...
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