Visualization of late breakdown in vacuum

Visualization of late breakdown in vacuum

Experimental observations of late breakdowns in a vacuum circuit breaker were made using an intensified charge coupled device camera, (ICCD). These late restrikes can cause arc reignition and interruption failure. This type of failure is rare and can be initiated by a number of mechanisms. This pape...

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Bibliographische Detailangaben
Hauptverfasser: Ponthenier, J.-L., Giraud, D., Schellekens, H.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Breakdown voltage
Charge-coupled image sensors
Circuit breakers
Circuit testing
Dielectrics
Thermal stresses
Transient analysis
Vacuum arcs
Vacuum breakdown
Visualization
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Beschreibung
Zusammenfassung:Experimental observations of late breakdowns in a vacuum circuit breaker were made using an intensified charge coupled device camera, (ICCD). These late restrikes can cause arc reignition and interruption failure. This type of failure is rare and can be initiated by a number of mechanisms. This paper illustrates the method used to observe this furtive phenomenon. Key images of the phenomenon occurring during breakdown initiation are shown.
DOI:10.1109/DEIV.2000.879036