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Romax Technology is working with E.ON Climate & Renewables to develop a joint program to predict the life and maintenance needs of wind turbine driveline components.

The companies say that, with predictive methods based on advanced algorithms, the Equivalent Operating Hours (EOH) program provides real-time forecast updates for the components' remaining life. The calculations incorporate parameters such as service history, local operating conditions and the effects of transient events, the partners explain.

The program started in 2010 as a development project on one of E.ON's offshore wind farms. Its predictive maintenance models have been tested, and after showing promising results, the EOH program has been extended to a further two onshore and two offshore projects. It is now scheduled for completion in 2017.

"Early indications have suggested a significant [return on investment] from using this predictive program,” says Jorgen Bodin, director of technology and innovation at E.ON Climate & Renewables. “We hope that the project with Romax will transform wind energy operations and maintenance through more targeted and proactive activity, which in turn, will improve the running cost and increase reliability."



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