Ofil has developed the UVollé range of compact bi-spectral cameras that can detect corona and arcing during regular daytime working hours and under natural illumination conditions.
Based upon observations and experience, there are three categories of factors that lead to corona discharge in metal-clad switchgears: geometric, spatial and contamination. Unattended corona discharge leads to imminent flashovers causing enormous damage and endangering personnel.
Corona by nature creates only small amount of heat that IR cameras cannot spot, and therefore corona cameras are needed. UVollé cameras provide information in real time of the existing partial-discharge processes and assist mapping the critical locations of the assets that need attention. UVollé cameras are compact, handheld and allow flexible accesses to narrow and hard to get areas.
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