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Germany's INEOS & Edge develop armourEdge protection for wind farms

Oct '21
Pic: INEOS Styrolution/Edge Solutions
Pic: INEOS Styrolution/Edge Solutions
INEOS Styrolution, a leader in styrenics, and Edge Solutions, an innovator in optimisation of wind energy generation, have developed armourEdge protection for wind turbine blades based on a customised version of INEOS Styrolution’s Luran SC material. INEOS, based in Germany, focusses on styrene monomer, polystyrene, ABS standard, and styrenic specialties.

‘Leading edge erosion’ is a serious issue with large commercial wind turbine blades. It is caused by environmental impacts including rain, hail, ice, salt, and UV. Such damage of the blade surface leads to increased drag and ultimately to reduced energy production. It also drives operating cost up due to increased maintenance, regular blade replacement and downtime of the generator. While the issue already exists for onshore installations, it becomes even more significant for offshore windfarms, operating under extreme conditions, INEOS said in a media statement.

Based on specifications defined by Edge, INEOS Styrolution developed a specific material solution using its Luran SC product. This material became the basis for the armourEdge shield, a leading Edge protection solution that significantly reduces the impact of environmental factors on the leading edge of wind turbine blades. The armourEdge shield leads to significantly less downtown and maintenance cost. It also results in an increase in annual energy production. The armourEdge system is currently being installed on an operational offshore wind farm in northern Europe.

The Luran SC product line is made up of blended ASA with PC. The material provides very high heat resistance, stiffness and excellent impact strength. It is very stable towards oxidation. Because of its inherent robustness, Luran SC is the material of choice for a wide range of challenging outdoor applications.

“Leading edge erosion is a significant issue for wind turbines, offshore and onshore. With tip speeds approaching 330 km/h, continual impacts by rain, hail, ice and other airborne particulates damage the blade surface, leading to increased drag and reduced energy production. This drives up operating cost due to increased maintenance downtime and ultimately blade replacement. Over the last four years we have worked closely with the team at INEOS Styrolution to develop our armourEdge product which maintains the blades’ aerodynamic properties and is extremely durable. With rapid installation, this results in less downtime and improved profitability for wind farm owners,” said David Urch, managing director, Edge.

“It’s been very motivating to work with an entrepreneurial company like Edge Solutions. Together, we came up with the optimised material performance for the given challenge,” Ken MacIntosh, key account manager at INEOS Styrolution said.

Fibre2Fashion News Desk (GK)

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