RENEWABLE ENERGY
SUSTAINABILITY MEETSPERFORMANCE
Martine Jagger explains how advanced lubrication solutions can enable wind operators to meet operational and environmental goals
ustainability is the overarching topic of this decade and is set to infl uence the activities of wind farm operators for the foreseeable future. For wind farm operators, the journey to operate a zero-emissions plant (zero waste and zero CO2
S ) whether land-based or off shore
requires planning and this is where Klüber can help. Having the right inside knowledge about all your lubricated components is essential when it comes to operating a wind farm, as unplanned maintenance is costly. One area of the value chain where Klüber can support is in tackling specifi c challenges, such as: wear; maintenance and pollution. Wind turbines at sea are exposed to high forces and extreme weather conditions, which can result in signifi cant wear of bearings. On an off shore wind farm, maintenance, and repair account for up to 25% of the total cost due to the
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unpredictable weather and conditions at sea.
Corrosion and consequent damage
to structural elements of off shore wind power plants caused by sea water and microorganisms can cause leakage. Such leaks cause oil and grease to contaminate the marine environment.
BIO-DEGRADABLE LUBRICANTS FOR WIND TURBINES To keep up with the requirements of the future, the use of sustainable lubricants will become imperative for turbine manufacturers and wind farm operators. As space for land-based wind plants becomes more limited, the trend towards building large-scale off shore wind farms will continue to grow, but the world’s seas and oceans are ecologically sensitive so the negative impact from wind farms needs to be minimal. Lubricant leakages from wind turbines can never be fully avoided, but by using Klüber’s bio-
degradable speciality lubricants users can contribute to the sustainability of their wind turbines without compromising on performance. T e high-performance Klüberbio lubricants reduce wear considerably T is enables quicker payback of costs for the off shore wind farm and uninterrupted power generation leading to higher sales.
REGREASING DURING OPERATION
Klüberbio lubricants can be re-applied during operation. Power generation can go on continuously, avoiding fi nancial losses due to maintenance stops. Klüberbio lubricants off er the same
performance as standard lubricants but are more environmentally friendly. T ey are based on biodegradable raw materials such as sunfl ower seed oils or special esters. T e Klüberbio LG 39-701 N biodegradable grease fulfi ls relevant biodegradable standards for onshore and off shore applications, including the Environmental Protection Agency’s OSPAR, 2013 Vessel General Permit, and biodegradability according to OECD 301 F (within 28 days).
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