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Detect Hidden Corona with Inspection Cameras

Corona is a localised electrical discharge caused by strong electric fields that ionise the air, emitting UV light invisible to the naked eye. These discharges often reveal insulation breakdown, poor clearances or faulty components. If left unaddressed, they may lead to costly system-wide failures.

Available from PPM Power, these OFIL partial discharge inspection cameras make the invisible visible, helping you spot corona early and act before it becomes a problem. This means you gain a clear advantage, seeing risks that others miss and making smarter maintenance choices that save both time and money. These solutions offer several key advantages for power line inspection:

Daytime Detection – Spot weak UV signals even in full daylight

Early Warning – Catch corona in its earliest stages and plan proactive repairs that prevent failures

Non-destructive testing – Inspect from a distance without touching high-voltage parts, keeping you safe and and avoiding power disruptions

Quantitative data – Measure the severity of corona to prioritise repairs effectively

By utilising this technology, you strengthen grid reliability, cut repair costs, and extend the life of your equipment.

Corona detection

Handheld cameras

The handheld cameras are light, portable, and equipped with a built-in screen and SD card storage. They fit perfectly into field testing and remote inspections of high-voltage equipment.

Fixed-mounted cameras

For continuous monitoring, fixed-mounted cameras deliver reliable performance on electric trains, drones, and aerial platforms. They provide real-time data from railway infrastructure and hard-to-reach areas, keeping your operations safer and more efficient.

 

Find out more

Learn more about our corona detection or contact our technical sales team to discuss your requirements.

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