Generic procedure for classification of aged insulating system

Fuhr, J.; Fruth, B.; Niemeyer, L.; Konigstein, D.; Hässig, Michael; Gutfleisch, F.

doi:10.1109/icpadm.1991.172348

Cited by 8 publications

(1 citation statement)

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“…On the basis of the classification result, i.e., when a PD pattern of unknown origin has been identified such as treeing discharges, a decision has to be made, for instance 'go', 'no-go' decision for the operation of power apparatus [174]. The decision is based on the knowledge of the potential danger of different defects derived from past experience.…”

Section: Classification and Decisionmentioning

confidence: 99%

Automated recognition of partial discharges

Krivda

1995

IEEE Trans. Dielect. Electr. Insul.

195

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In this work an overview of automated recognition of partial discharges (PD) is given. The selection of PD patterns, extraction of relevant information for PD recognition and the structure of a data base for PD recognition are discussed. Mathematical methods useful for the design of the data base are examined. Classification methods are interpreted from a geometrical point of view. Some problems encountered in the automation of PD recognition also are addressed.

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Section: Classification and Decisionmentioning

confidence: 99%

Automated recognition of partial discharges

Krivda

1995

IEEE Trans. Dielect. Electr. Insul.

195

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Influence of aging on classification of PD in HV components

Gulski

Kridva

1995

IEEE Trans. Dielect. Electr. Insul.

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In this presentation the influence of degradation of discharging dielectric on phase-resolved patterns of partial discharges ( P D ) is studied. Using conventional P D detection and statistical analysis, internal discharges in a flat cavity, and in epoxy insulation of two HV components were analyzed during long term tests. The results indicate that aging progress was accompanied by few consecutive changes in the phaseresolved patterns. This observation might become important for two applications: the developing of databases of different discharging defects, and the analysis of discharge degradation of dielectrics.

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