Ultra Violet Survey of Corona Discharge detection

About This Service

Corona discharge is associated with high voltage equipment such as electrical transmission lines, transformer insulators and bushings, switchgear, motors and the like. Corona can be a sign of a defect, contamination, malfunction or bad design of electrical equipment. Being able to pinpoint corona discharge and address potential equipment failure is important and can contribute significantly to the reliable operation of electrical apparatus. Ultraviolet detects electrical discharges and is directly proportional to voltage. Partial discharge, corona and arcing occurs whenever voltage is present, regardless of current. As such, this technology is required to perform comprehensive surveys. Unlike Infra-Red which is affected by solar radiation and emissivity of the material, UV detection is effective under all lighting and weather conditions.

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