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Wind Turbines
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Wind Turbines - 1

Sensors & Applications Wind Turbines

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Wind Turbines - 2

                         ...

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Wind Turbines - 3

Sensors for wind turbines Condition monitoring of wind turbines increases their performance and the service life of components and machines. Modern sensor technologies can help to prevent repairs and to optimize maintenance cycles, not only during the construction and manufacturing of wind turbine components, but also in test benches and in the wind turbine itself. Furthermore, sensors can increase operational safety and minimize failure rates. Sensors from Micro-Epsilon have proved invaluable in various applications with regards to safe operation, particularly when it comes to supporting...

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Wind Turbines - 4

Gearbox temperature The gearbox temperature is measured during operation. Heating up of gearbox components may indicate a potential problem with a component. Subsequent remedial action can be started or maintenance planned. Oscillation measurement of the drive train Wind turbulences cause dynamic stresses which influence the drive train structure. To measure these oscillations, highprecision and temperature-stable acceleration sensors from Micro-Epsilon are used. Oil gap measurement of the shaft Eddy current displacement sensors measure the oil gap, i.e. the distance that is filled with...

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Wind Turbines - 5

Rotor gap measurement In order to monitor rotor behavior in the generator, capacitive displacement sensors measure the gap between stator and rotor. Despite high temperatures and electromagnetic fields, capacitive sensors provide unmatched accuracies. Air flaps In order to control air supply, the air flaps automatically open and close depending on the temperature. Draw-wire displacement sensors monitor the position of the open air flap. Supporting moments of the nacelle In order to monitor the supporting moments, eddy current displacement sensors measure the distance between the nacelle and...

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Rotor stress tests in the test bench Foundation measurements Laser triangulation sensors measure the distance between the tower and the foundation. High measuring rates enable the sensors to detect any changes reliably. Depending on the number of sensors installed, detailed evaluations about the vibration behavior of the mast can be determined. Test rigs have been developed for load tests on wind turbine rotor blades and simulate the real loads caused by high winds and weather. The tip of the rotor blade can be distorted by up to 10m due to mechanical loads. Draw-wire sensors are used on...

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Wind Turbines - 7

Inductive sensors (eddy current) for displacement, distance & position Precise inclination and acceleration sensors Capacitive displacement sensors for industrial applications Non-contact displacement and distance measure ment with measuring ranges from 1 to 6 mm Highest accuracy and resolution for precise measurements Non-contact displacement and distance measurement with measuring ranges from 0.05 to 10 mm High frequency response for dynamic measurements Extremely stable measurement signal even with strongly fluctuating temperatures Submicrometer accuracy Temperature resistance for harsh...

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Wind Turbines - 8

Sensors and Systems from Micro-Epsilon Sensors and measurement devices for non-contact temperature measurement Measuring and inspection systems for metal strips, plastics and rubber Optical micrometers and fiber optics, measuring and test amplifiers Color recognition sensors, LED analyzers and inline color spectrometers 3D measurement technology for dimensional testing and surface inspection More Precision Whether it is for quality assurance, predictive maintenance, process and machine monitoring, automation or R&D – sensors from Micro-Epsilon make a vital contribution to the improvement of...

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