The advantages of UV technology

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UV and Infrared technology

UV Diagnostic is suitable mainly for problems related to voltage distribution, or surface voltage gradient, while the IR diagnostic can be used mostly for problems connected with current overheating. A combination of UV, IR and visual diagnostics increases the reliability of diagnosis and can help at inspection results evaluation.

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Anomaly is not picked up by IR camera

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Fault detected by UV camera

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No fault is detected on IR image

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Corona blobs are displayed on UV image

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Example of Corona detected with solar-blind corona camera and with heat signature detectable with infrared imager (white circle shows small hot spot).

UV and Ultrasonic technology

Accurate pinpointing of Corona PD Source
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UV Camera: Pinpointed location of Corona on end-fitting

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Ultrasonic imager: spot covering multiple components

Pinpointing Multiple Sources of Corona PD
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UV camera: pinpoints 2 separate spots of PD on the insulators

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Ultrasonic imager: displays a large spot covering two insulators and the conductor

False Results – Ultrasonic Imager
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Reflections on ground

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Background noise due to car engine

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Background noises due to machine

Validity of Results
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UV Camera: pinpoints discharge on arcing horn

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Ultrasonic Imager - False Alarm: Based on the location of the discharge it is impossible to decide whether there is a problem. Discharge on a horn is not an issue, while corona on the end fitting is a major problem.

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DayCor® UVollé

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DayCor® Luminar HD

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DayCor® micROM HD

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micROM

Multispectral Airborne Systems

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UVolle

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