FEATURE SPONSOR
ICE DETECTION
The next
wave of innovation in wind energy is driven by sensors and information
These are optical interference filters written on optical fibres. The sensors detect changes in temperature and strain based on the changing reflected wavelength. Vibrations are detected in the sensor through the conversion into strains in the fibres. The sensors are in a protective housing and cables sheltered against step-on damage with a special coating. The sensors can easily be either installed in the wind turbine blade or retrofitted in field. The ice detection system, for example, is retrofitted in field within one working day.
Less standstill – more yields The fos4Blade Rotor Ice Control system is very precise in measuring the relevant ice masses on the rotor blades. Therefore, standstill times caused by false positive ice measurements or visual inspections for manual restart can be avoided. This leads to an optimised operation of the turbine under icy conditions and can increase potential yields significantly. In many hundreds of years of cumulated operation, fos4Blade Rotor Ice Control has shown the reliability of measurements as well as the economic benefits.
Upgrade to Turbine Integrity Control possible Structural damages are a serious threat for investment and the economic feasibility of projects. The system for structural health monitoring fos4Blade Turbine Integrity Control supports you by detecting damages at an early stage and therefore minimising negative financial effects.
With vibration measurements, structural damages to the blades can be detected. This feature is available as a software upgrade to fos4Blade Rotor Ice Control and works with the same fos4Blade hardware components.
Damages which can be seen by this system include, for example, lightning damages and blade tip damage.
Turbine Load Control With solid blade load measurements, critical turbine loads can be detected at an early stage and the turbine can be protected. Furthermore, the precise knowledge of the loading and the fatigue life calculation enables optimised turbine operations as well as a potential lifetime
extension of the turbine. This solution for turbine load control is also based on the fos4Blade hardware platform.
fos4X – your partner for rotor blade measurements
fos4X GmbH founded in Munich in 2010 is a specialist for innovative, fibre-optic measurement technology in rotor blades of wind turbines. fos4X provides sensors and solutions to drive smart wind energy. fos4X is convinced that the next wave of innovation in wind energy is driven by sensors and information. Ten years from now, every new rotor blade will be fitted with sensors, enabling direct measurement of structural dynamic properties from which frequencies and shapes can be calculated and the operation of wind turbines and parks can be optimised significantly.
*based on a 3MW turbine. Impacts vary by location. fos4X
WEBSITE PRESS RELEASE
www.windenergynetwork.co.uk 43
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