Please find below generalized examples of challenges being developed among the members of our Vestas V112-V136 user group.
Please note, that we have anonymized these headlines and removed all detailed information.
- Significant increase of oil-level and hydraulic alarms
- Systematic gearbox failures
- Critical vulnerability when yaw system is not operational
- Defective sensors on generator
- Gurney Flaps
- Turbine in operation but not producing power
- Cold gearbox derate
- Any operators experienced 2nd stage planetary tooth fractures
- High temp on generator
- Access to report and inspections during full-service agreement
- Blade tear and wear
- Starts and stops caused by protections system
- Torque arm bushing failure
- Hydraulic oil leak in hub
- Worn LE on blades
- Grid failure/power loss
- V112 Gearboxes in wet sump
- V136 Underperforming PC at the upper knee
- High voltage cable tests on V112
- CMS notification on the 1st & 2nd gearbox stages
- The effectiveness of the performance curve tests
- Converter Hardware Errors - Fault diagnostics and strategy
- Debonding of blade shells of the V136 series
- V136 lightning protection systems
- Missing yaw power back up specifications
- Cam Pulse Missing
- Yaw Signals Invalid
- Coolant Leaks
- Toolkit (VOT) for self-maintenance activities
- PPO - Power Performance Optimization?
- Hydraulic oil leaks and turbine emergency stops
- V112 Winergy gearbox failures
- CMS on the 1st & 2nd gearbox stages
- Gearbox bushing serial defect?
- Yaw-Motor issues
- Sweating hydraulic hoses in Hub
- High metal particle counts in GBX oil, short after commissioning
- Damage and repair of a blade after a lightning strike
- Increase turbine performance
- Long-term power deration by temperature
- Yaw Gear Torque Limiter Checks
- De-icing system loosening from blade
