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ABJ Drones Case Study: Lightning Flashover Inspection of Vestas V136 Wind Turbine Blades

Type of Job/Services Completed:
Drone Wind Turbine Blade Inspection with Thermal Imaging

The Purpose:
We provided a test project for our client to determine if lightning flashover damage to the interior shell of Vestas V136 wind turbine blades can be detected using ABJ’s proprietary WindVue technology.

Three wind turbines known to contain lightning flashover damage on at least one blade were chosen for testing. The location of flashover damage ranged from roughly 12m to 15m from the root of the blade and was always located on the suction side (leeway side).

It is assumed that lightning strikes typically hit the blade closer to the tip (often striking lighting receptors) and then traveling through the internal down conductor towards the root.

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