Peculiarities of nonsustained disruptive discharges at interruption of cable/line charging current

Peculiarities of nonsustained disruptive discharges at interruption of cable/line charging current

It has been found out that NSDD probability increases at cable/line charging current interruption compared with no-load test. This fact has been explained by formation of contact welds at closing of the preliminary charged cable/line. These welds being torn apart at the following contact partition m...

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Bibliographische Detailangaben
Hauptverfasser: Chaly, A.M., Denisov, L.V., Poluyanov, V.N., Poluyanova, I.N.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Circuit testing
Contacts
Electric breakdown
Fault location
Hafnium
Probability
Surface charging
Surface discharges
Surges
Voltage
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Beschreibung
Zusammenfassung:It has been found out that NSDD probability increases at cable/line charging current interruption compared with no-load test. This fact has been explained by formation of contact welds at closing of the preliminary charged cable/line. These welds being torn apart at the following contact partition may serve as a source of macroparticles or surface irregularities resulting in increased probability of NSDD.
DOI:10.1109/ISDEIV.2002.1027381