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WHY SYNTHETIC OIL?
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GENERATION SYNTHETIC LUBRICANTS
The wind energy sector is one of the most dynamic industrial sectors. The technological requirements for wind turbines and nameplate capacities of wind turbines are continuously increasing, and require specific hardware maintenance regimes to ensure reliable and safe operations even in toughest conditions and remote locations.
At the same time, the striving to control and reduce these maintenance costs is increasing with windfarm operators continually seeking ways to improve turbine reliability and to reduce unplanned outages and hence lower their overall operating costs.
CRITICAL ROLE
Lubricants play a critical role throughout the lifetime of a wind turbine installation and can help enhance turbine availability, lifespan of the hardware and levelised cost of energy.
Consider the operation of wind turbines in coastal or even the more demanding offshore environments – where high moisture levels can create corrosion risks to bearings and gears. Protection against the destructive effects of sea-water is vital, given the remote location of these units. The risks associated with water contamination are seen as a real threat in today’s wind turbines gearboxes.
TESTING
The SKF® EMCOR test (ASTM D6138), globally accepted as a measure of the corrosion protection provided by grease in rolling element bearings, has now been adopted by numerous OEMs to stipulate corrosion protection performance requirements for fluid lubricants. Whilst the gear oil can withstand levels of water contamination, it is when this water is combined with lubricant degradation products that new consequential threats can be generated, in the form of acid and sludge generation.
ADVANCED FULLY SYNTHETIC GEAR OIL
Shell Omala S5 Wind 320 advanced fully synthetic gear oil is formulated to provide protection against the initial corrosion challenge to the rotating equipment in the wind turbine gearbox (as measured by the
LUBRICANTS PLAY A
CRITICAL ROLE THROUGHOUT THE LIFETIME OF A WIND TURBINE
ASTM D6138 test), and further to extend this protection against the additional, but crucial, task of minimising the acid and sludge formation threat. Furthermore, the high oxidation stability of the product can contribute to longer oil drains and cleaner main gearbox system components due to its fine filtration performance and rapid air release properties, which help promote long equipment life.
Peter Morrey & Nils Bunjes Shell Lubricants
36
www.windenergynetwork.co.uk
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