The impact of blade root failures, and how to monitor them (with EDPR).

In this discussion we covered how CMS can detect blade root insert failures early through continuous monitoring of the gap between the blade root and pitch bearing.

This allows turbine owners to avoid catastrophic failures. We discussed how displacement sensors placed across the joint can detect movements as small as 0.5mm, indicating insert failure progression. Monitoring results help inform major decisions on blade repair or replacement.

We also looked at various revolutionary monitoring solutions, including both permanent monitoring systems like ecoPITCH and temporary portable sweeps. We discussed how early detection of blade root insert failures with CMS helps turbine owners maximise turbine lifetime, avoid collateral damage, and plan cost-effective blade maintenance.

How can CMS detect blade root insert failures early?
CMS (Condition Monitoring System) enables early detection of blade root insert failures through continuous monitoring of the gap between the blade root and pitch bearing. This proactive approach allows turbine owners to avoid catastrophic failures.

How small of a movement can the displacement sensors detect?
Our displacement sensors are capable of detecting movements as small as 0.5mm across the joint. This level of sensitivity is crucial in indicating the progression of insert failure.

How can monitoring results help turbine owners make informed decisions?
Monitoring results provide valuable insights that inform major decisions regarding blade repair or replacement. By detecting insert failures early, turbine owners can maximize the lifetime of their turbines, avoid collateral damage, and plan cost-effective blade maintenance.

This webinar was delivered in November 2023 and reflects the state-of-the-art of blade repair at the time. We thank We4Ce for the use of their images on slides 28 and 29.*