N.T.E.S. GmbH Windkraftservice is a service provider in the fields of REPAIR, INSPECTION, OPTIMIZAZION, THERMOGRAPHY and MEASUREMENT primarily for "Bonus" and "Siemens" wind turbines with capacities between 150kW and 2MW.

Working right across Germany, our well-trained teams operate from three service stations at Bremervörde, Stedum/Hohenhameln, Stelle/Winsen an der Luhe) in order to ensure flexibility and a fast response rate.

Over 10 years experience in wind turbine service form an ideal basis for achieving optimum results both in case of repair work and prevention through servicing or inspection. In a survey of operators by the German Wind Energy Association (BWE) we achieved an overall rating of GOOD (1.68) for the categories "regular service", "unscheduled repair" and "extraordinary service".

An overview of our services:

Maintenance
• Carrying out annual/biannual maintenance work on wind turbines
• Transformer maintenance
• Blade maintenance
• 24-hour remote data monitoring and maintenance
• ...

Repairs
• 24-hour fault elimination service with remote data monitoring and maintenance
• Quick response time for repair work
• Large stock of replacement parts
• Inexpensive repairs thanks to our large stock of exchange parts

• Specialised repairs on the wind turbine:
• Generator bearing replacement
• Gearbox bearing replacement
• Large component replacement
• ...

Inspections
• Blade inspection
• Blade reports
• Regular checks
• Gearbox inspection
• Failure analysis
• ...

Optimisation
• Suggestions and implementation

Thermography
• Troubleshooting and prevention of breakdowns
• Documentation of the current condition

Measurements
• Laser-supported generator alignment
• Earthing measurement
• Bearing condition check

Other
• Component repairs
• Electronic components
• Small yaw gearboxes
• Our own engineering
Development of new components:
• Compensation systems
• Shut-off device in accordance with EEG (Renewable Energies Act) §6
• Hydraulics

Maintenance:
• Carrying out annual/biannual maintenance work on wind turbines
• Transformer maintenance
• Blade maintenance
• 24-hour remote data monitoring and maintenance
• Condition-based servicing
• Gear oil filtering and cooling
• Central lubrication for main bearings
• Permanent lubricators for generators and main bearings
• Convenient shut-off device in accordance with EEG (Renewable Energies Act) §6

Repairs:
• 24-hour fault elimination service with remote data monitoring and maintenance
• Quick response time for repair work
• Large stock of replacement parts
• Inexpensive repairs thanks to our large stock of exchange parts

• Specialised repairs on the wind turbine:
- Generator bearing replacement
- Gearbox bearing replacement
- Large component replacement
- Repowering

Inspections:
• Blade inspection
• Blade reports
• Regular checks
• Gearbox inspection
• Failure analysis
• Endoscopy
• Videoscopy

Optimisation:
• Suggestions for optimising your wind turbine
• Implementation of optimisation measures
• Optimised hydraulic components such as pitch cylinders and rotation units

Thermography:
• Troubleshooting with the latest technology
• Prevention of breakdowns
• Documentation of the current condition

Measurements:
1 Laser-supported generator alignment
2 Earthing measurement
3 Bearing condition check
4 Offline CM measurements
5 Videoscopy

Other:
• Component repairs
- Electronic components
- Small yaw gearboxes
- Our own engineering

• Development of new components:
- Compensation systems
- Shut-off device in accordance with EEG (Renewable Energies Act) §6
- Hydraulics

• Our service stations:
- Bremervörde
- Stedum / Hohenhameln
- Stelle / Winsen an der Luhe