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Proceedings Paper

Alternating current investigations of the insulation of HV equipment in theory and practice with a new PD-measuring method
Author(s): Erwin Keil
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Paper Abstract

This report deals with A.C. measurements of H.V. insulating arrangements on site and in laboratory. The inspection of H.V. insulation of electrical equipment is first of all to recognize defects of these insulations as early as to prevent breakdown of apparatus. The special difficulty of these inspection results form the large dimensions of this equipment. The PD- measurements consider the test-circuit transfer characteristic influenced by the large physical and geometrical dimensions, the individual conditions of the test objects and the disturbance levels found on several places. For state evaluations of electrical insulations different test arrangement and measuring devices are used. The report gives a comparison between such methods with regard to the impact on the PD-signal and its spectrum from the generation up to the evaluation.

Paper Details

Date Published: 1 May 1994
PDF: 4 pages
Proc. SPIE 2259, XVI International Symposium on Discharges and Electrical Insulation in Vacuum, (1 May 1994); doi: 10.1117/12.174594
Show Author Affiliations
Erwin Keil, Bundesforschungs- und Pruefzentrum Arsenal (Austria)


Published in SPIE Proceedings Vol. 2259:
XVI International Symposium on Discharges and Electrical Insulation in Vacuum
Gennady A. Mesyats, Editor(s)

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