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Mar 29, 2023

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Challenges being developed among wind asset owners at O2O WIND

Please note that this serves as an overview to see which challenges that are being developed among the energy companies at O2O WIND. Clicking on the blue subheadings to go in to the actual app and join the discussions can only be done by member companies.

Alarms

PT100 Sensor Issues
Vestas V112 Line Side Breaker Fault
Hydraulic Failures
V47 Alarm 80 - Low Gear Oil Pressure
Profinet Alarms
Early-stage main bearing alarms on CMS system
Alarm 107: VCPM OpState Change timeout
Too frequent PLC safety alarms

Bearings

Main bearing and gearbox issue on Senvion/Repower 5MW turbines
Main shafts with double bearings and failure prediction
V90-2MW Bearing failure
Prediction of Main bearing lifetime
Vestas V52 - Metso /Moventas PLH 400 Planet Carrier Bearing failure
Erosion and Main Bearing problems with SWT-3.0 101
Nordex N100 Main Bearing failures
Main bearing issues are still there.
Pitch Bearing Failures
Uptower generator bearing replacements
Main bearing grease leaks
Early-stage main bearing alarms on CMS system
Pitch Bearing Refurbishment
Main bearing breakdown
Relationship between k term and main bearing & Gearbox CMS issues
Main Bearing Failure is imminent
Bearing temperatures remain on the higher side

Blade Bearings

Grease for blade bearings, change to new types?
Blade Bearing Deflection Tests
Problems with blade bearings
Blade bearing wear
Blade bearing debris content, and how long to leave in operation
Blade Bearing
Water content Blade Bearing grease
Blade bolts too short after Blade Bearing Replacement with stiffener
Blade Bearing Lubrication issues for 2.5 XL series

Blades

Vestas V112 Blade Load Sensor Errors causing the WTGs to derate
Rotor blades GE 46
60m+ blade onshore wind turbines
G52 versus V52 Blades
Breaking blade bolts
Soiling of blades
Blade repair
TPI Blades
SWT3.0-101 Blades - Leading Edge Erosion Issues
Wind turbine rotor care
Acoustic monitoring of blades
Lighting issues on blades
Help with blade exchange
Erosion on blades Enercon E82 for example
Blades degradation
Blade inspections/blade repair
Spare blades SWT2.3-93 B45 blade
Blade repair
Wind turbine rotor imbalance detection
Blade killers, wrinkles
Erosion resistance of leading edges,- some experiences, thougths and questions
2.X Blade Bond Line Cracks & Other Blade Issues?
Serious problems with the blades
A company for blade inspections in the northern Germany in Corona times
Severe blade damages Nordex NXX
Nordex Blade Bolts
Blades web cracks at Siemens SWT101 2.3 turbines
Blade web cracks
Blade issues E70 platform (especially for high turbulence sites, Class I)
E48 blade failure.
Cracks in blades - NR50
Large amount of LM blade lightning damages
Broken blade bolts
Blade bolts
Worn LE on blades
Debonding of blade shells of the V136 series
Enercon Blade Performance
Blade Damages under AOM5000
Blade defaults
Pitch angle of Blades & Blade Load Sensor Values
E70 Blade Lightning Strikes Issues
Equipment for monitoring blades
Blade root cover
Failing blade bolts
Blade lightning mitigation
Blade Misalignment
Experience with noise issues related to blade misalignment
Blade bolts too short after Blade Bearing Replacement with stiffener
2 TPI Blade - Trailing Edge Blade crack. Hardware Mitigation.
V136 blade control during grid outage
Warranty extension of blades
Blade Bolt Missing
Standstill marks in gearboxes related to blade repair?

Catastrophic Failures

Blades, hub and nacelle detaching from the tower and falling to the ground
Nordex N80 Turbine Collapse
Lift Accident in Germany

Certifications

Different ways of wind turbines certifications
Life Extension "practical part" assessment
LTE lifetime extension for wind assets

Condition Monitoring Systems

Condition monitoring of generators
Key Performance Indicators for Condition Monitoring Systems in Wind Turbines
O2O WIND Webinar - Wind turbine owners experiences from applying CMS
Testing different CMS platforms for WTG
CMS-system to optimize lifetime of gearboxes
Owner's view on how to apply CMS in wind farm operations

Controller

Bonus 1300 Pitch Tracking Faults
Controller Access VPM6000
Senvion Insolvency Proceedings
After Controller Upgrade to Global we experience a lot of Yaw errors

Converter

Vestas V112 Line Side Breaker Fault
Where can I find GE ProWind IV converter components?
Main converter faults that are causing the turbines to curtail themselves
Pitch and converter faults
Main converter overheating
GE Converter Issues / Phase Modules
Main converter faults that are causing the turbines to curtail themselves
Very high number of converter faults
10 amps main converter fuses blow fuses
Main converter overheats
GE Converter Hose Upgrade
Converter Hardware Errors - Fault diagnostics and strategy
Converter inverter module issues
IDS converter FRT faults, faults following grid outages, and high wind periods
Pitch Converter Failures
Main converter cooling

Corrosion

Siemens 2.3 corrosion in the canopies
Long term storage of gearboxes
Rotor Locking Pins - Vestas V112

Data Access

Senvion Insolvency Proceedings
Connecting old DOS based turbines to 3G connection
OPC for WTG data access

Data analytics

Data samples to improve algorithms in day-ahead prediction of wind generation
Online real-time data & KPIs
BIG Data analysis of wind turbine data - NEM solutions
O2O WIND Webinar - Big Data & Predictive Analysis
SCADA based CM using Normal Behavior Models
O2O WIND's Webinar - Digitalization of O&M workflows

Energy Yield

O2O WIND Webinar - Increase Power Output
V90 2MW Power Control
Under performance detection from SCADA data
Do OEMs already incorporate RCM into Time Based Maintenance Strategies?
Uprating of the single power unit

Foundations

Rock Anchor Foundation Stability
Cracks Monitoring on “insert Ring” Onshore Foundations
Offshore wind turbine foundation biofouling
Redesign of Cathodic Protection system for offshore wind turbines

Gearbox

Endoscope´s procedure
Long term storage of gearboxes
NGC (Nanjing) Gearboxes Experiences
O2O WIND Webinar - Gearbox & Drivetrain
Rewitec Dura Gear W100 treatment for gearboxes
Eickhoff Gearbox Schematic
Ashless gearbox oils versus more additivated?
Particle Counter Increase and Vibration Levels due to Misaligned Gearbox - Main Shaft
Eickhoff Gearboxes
CMS-system to optimize lifetime of gearboxes
Sealing-ring issues on Eickhoff-gearbox on Senvion turbines
V112 Gearboxes in wet sump
Experience of timely CMS notification about the development of an emergency on the first and second gearbox stages?
TIL Gearbox NGC 3.X - Wear between sun and hollow shaft
Relationship between k term and main bearing & Gearbox CMS issues
Gearbox heaters
Main gearbox torque arm bushings
Gearbox supply issues
Standstill marks in gearboxes related to blade repair?

Generators

Condition monitoring of generators
Siemens 2.3MW ABB generator issues
Generator short circuit on Enercon E70 E4
Short circuits in the stator windings causing generator failures
Humidity in generator windings –Interested mainly in possible upgrades (de-humidifiers, heaters) especial for the E70 platform.
Generator earth fault
Two recent generator failures on a 13 turbine site
High temperature in generator windings
Excessive generator heating durations
V100- Repeated Error on Generator
Humidity in generator windings continued
Generator failures
Generator overspeed

Hydraulics

Hydraulic pump V90 3 MW
Hydraulic Failures
Adding instrumentation on operating turbines to have better data and improved predictive maintenance
Hydraulic issues in gamma version
Hydraulic oil leak in hub
Hydraulic issues
HYDRAULIC oil exchange interval
Hydraulic oil viscosity drop
Hydraulic hoses that are “sweating”

Ice

About ice on wind turbine blades
Nordex N100 2.5MW Icing Downtime
Enercon E70 Ice Detection: Rotor (power measurement)
Monthly O2O WIND Webinar - ICE
Ice on blades: how to manage the issue?
Anti-icing coatings for already installed blades
ICING PROBLEM OF WIND TURBINES
Problem with the de-icing system of the Senvion Wind Turbine MM platform
Ice detection

Inhouse O&M

Self Service Enercon
Self service / service with ISP relation to SCADA access and maintenance
WTG Service Models/Strategies
IN-HOUSE WIND MAINTENANCE
LEAN principles in operation?

Inverters

Enercon E66 600 KW (2x300kW) power inverters
Root cause analysis of cooling systems for the main inverter - Has Nordex made the best choice of components?
SCADA based CM using Normal Behavior Models
Inverter Module Failures

LIDAR

O2O WIND Webinar Lidar Measurement Campaigns
Nacelle LiDAR campaigns success stories
Lidar and how to deal with the yaw misalignment results?
Misalignment - Lidar test on a V90 in France

Lifetime Extension

Life Extension "practical part" assessment
O2O WIND Webinar - How to operate Older Wind Farms
O2O WIND Webinar - Lifetime Extension
LTE lifetime extension for wind assets
Reliable RUL estimations

Lifting

Companies that can perform maintenance on service lifts with components from Duallift
UK Lifting Operations and Statutory Inspections
Lift inspections
Skyman Lifts

Lightning

N90 Lightning Rods
O2O Wind Webinars: Lightning - Protection, Repair & Claims
Lighting issues
Lightning Protection IEC 61400-24 LPS in WTG Blades
Thunderstorms and turbines running or stopped?
V136 lightning protection systems
E70 Blade Lightning Strikes Issues
Lightning Monitoring
Blade lightning mitigation

Monitor OEMs

Spin-off from O2O WIND Webinar: How to monitor and follow up OEM's... - practical guide to build an balance scorecard to monitor
O2O WIND Webinar - How to Monitor and Follow up OEM’s on Service Production & Availability

Monitoring Assets

Leading KPi's and statistics
Vestas V126 3,45MW main component failures
Temperature Analysis
Structural Health Monitoring
How to Connect the dots - What is real operational understanding?
The industry is totally missing monitoring on low-speed components lubricated with grease
O2O WIND Webinar: How to monitor your turbines

O&M software

Open Source Asset Management / CMMS platforms
Follow up Shadow management system
Wind Farm Management Software
Mobile device for O&M works accessing documentation and doing back reporting
Vestas Toolkit software not available from OEM
Software jointly developed with OEM not available nor possible to buy for owners
Self service / service with ISP relation to SCADA access and maintenance
VOT Upload/Software issues

Oil

V47 Alarm 80 - Low Gear Oil Pressure
Castrol Oil needs offline filtration
Rewitec Dura Gear W100 treatment for gearboxes
Ashless gearbox oils versus more additivated?
Gearbox Oils - Is there a best Synthetic??
Swarf in oil after alignment

Oil...continued

Experience with Rewitec lubrication additive for main bearings and gearboxes
10 times better filtration available in US
When to exchange oil and hydraulic hoses?
Water content in gearbox oil
O2O WIND Webinar Gearbox Oil
When do I need to change the gearbox oil?
Experience with Castrol Optigear Synthetic CT320
Regular gearbox oil changes
Gear oil exchange on the V90 offshore
HYDRAULIC oil exchange interval
Hydraulic oil viscosity drop

Oil Filters

Castrol Oil needs offline filtration
Offline oil Filtering for Wind Turbine Gearbox
Black oxidation on the offline filter elements
Stalin Möller Filter Patch Test

Pitch

Bonus 1300 Pitch Tracking Faults
Pitch bearing replacement
O2O WIND Webinar - How good is your pitch?
How good is your pitch?
Rose joint on the pitch cylinders
Possibility of procuring Pitch Bearings.
Pitch bearing greasing.
Defects on the battery voltage control unit in the pitch SSB on MM100 WTG
Pitch and converter faults
Pitch box explosion
Pitch Motor failures
Pitch Bearing Failures
Replacement of pitch battery cabinets in the hub
Pitch current asymmetry
Pitch Bearing Refurbishment
Pitch control issues
Pitch Bearings - The Achilles heel of GE 2.5 XL Turbine
Pitch
Pitch angle of Blades & Blade Load Sensor Values
Reference curve for Pitch angle vs Active Power?
Pitch misalignment based on Scada data
Pitch Converter Failures
Pitch Safety run faults
Pitch Motor Failures
Reduced active power production and increased pitch activity

Power Curves

GE 2.85 Power Curve Underperformance
Power Curve deviation on Siemens Gamesa SWT3.0DD 113 turbines
SWT-3.2-108 Power Curve Options
Power Curve Shape Deviation Library of Likely Causes
PowerCurve deviation
Decreasing of production with no visible reasons
The effectiveness of the performance curve tests
Reference curve for Pitch angle vs Active Power?
Nordex WTGs do not perform much below the OEM Power Curve

Procurement

Experience with Siemens direct drive?
G52 versus V52 Blades

SCADA

Under performance detection from SCADA data
Underperformance analysis processes
OPC for WTG data access
SCADA based CM using Normal Behavior Models
SCADA Disaster Recovery
Enercon SCADA
Communication issues with the SCADA
SCADA upgrades
Pitch misalignment based on Scada data

Standards

Elevators, interlocked guards and Machine Directive
Position Paper on improving the relationship between owners and OEMs
European Standard EN 353-1:2014 Personal fall protection equipment
WTG hoist inspections

Subsea Cables

Emergency Repair planning for Subsea Cables
Failure statistics and experience of seacables and large offshore transformers
33kV cable termination failures

Substations

UPS battery capacity on offshore substations
Power Lines and Substations improvements
Power transformer bushing failures

Supplier inquiry

Replacement ABB Breaker?
Noise Cancelling Materials
Bat & bird monitoring systems
Independent Service Provider for GE turbine in Northern Europe/Scandinavia
Transformer Availability
Tamini Transformers
Eltas Transformer
Siemens 2.3 101 hub lifting bracket
Blade repair
Companies that can perform maintenance on service lifts with components from Duallift
NGC (Nanjing) Gearboxes Experiences
TPI Blades
Help with blade exchange
O&M and Site/Asset Management Service Provision
Deutsche Windtechnik AB - Has anybody purchased services from this company?
Yaw brake system end of warranty inspections
Hydran - remote monitoring of transformers
Mobile device for O&M works accessing documentation and doing back reporting
A company for blade inspections in the northern Germany in Corona times
Where can I find GE ProWind IV converter components?
Fuhrlander F2500 supply chain

Tower

Blades, hub and nacelle detaching from the tower and falling to the ground
Correct torque for the bolts between the tower sections on the E70 - E4 ?
Life Extension "practical part" assessment
Cracks Monitoring on “insert Ring” Onshore Foundations
Broken tower section bolts V80 2 MW

Transformers

Transformer Availability
Tamini Transformers
Eltas Transformer
Renovation of transformers MW class
Calisto 2 Transformer Online Condition Monitoring
Power transformer bushing failures
Hydran - remote monitoring of transformers
Transformer Online Condition Monitoring
SGB MV Transformer Issues on V110-2MW
Failure at connection HV cable transformer phase

Upgrades

Siemens High Wind Ride Through
Anyone else who have experienced that PPO is affecting the sound power level?
Vestas V90 power performance upgrades
Vortex generators
Gamesa AT-DAS / Energy Thrust Upgrades
Experience with Vestas ECO Upgrade
D-string and D-stiffner
Vortex Generators, Trailing Edge Chord Extensions
Upgrades
VMP Global Software/processor upgrade
After Controller Upgrade to Global we experience a lot of Yaw errors

Vessels

CTV metrics, how to you make it more efficient?
Doing gear oil exchange offshore
Emergency Repair planning for Subsea Cables

Yaw

Yaw motors issues
Yaw sound issue
Yaw Master-follower upgrade
Yaw Contactors failing
Yaw brake calipers
After Controller Upgrade to Global we experience a lot of Yaw errors
Yaw System Misalignment & Nacelle/Wind Direction deviation
Extreme yaw error issues
Yaw System Bus Bar Adapter located in nacelle A3 cabinet
Very frequent yaw brake pads and yaw motors replacements
Yaw teeth lubrication
Defective yaw motors from ABB

Turbine-specific discussions

Bonus

Bonus 1300 Pitch Tracking Faults
Whistling sounds from the rotor blades on AN Bonus 2.3 MW

Enercon E66-E92

Self Service Enercon
Enercon E66 600 KW (2x300kW) power inverters
Enercon E70 Ice Detection: Rotor (power measurement)
Pitch bearing replacement
Generator short circuit on Enercon E70 E4
Connecting old DOS based turbines to 3G connection
Erosion on blades Enercon E82 for example
Correct torque for the bolts between the tower sections on the E70 - E4?
Possibility of procuring Pitch Bearings.
Availability of Stemannslip ring.
Pitch bearing greasing.
Humidity in generator windings –Interested mainly in possible upgrades (de-humidifiers, heaters) especial for the E70 platform.
Blade issues E70 platform (especially for high turbulence sites, Class I)
E48 blade failure.
Increase in Ultrasonic Faults.
E70 Can Foundation Repairs
Broken bolts in spinner
Generator earth fault
Fault at IGBT's
Spoiler Bolt Retrofit
Enercon Blade Performance
Capacitor charging error (45), Feeding control bus error (301), Error supply hardware: Inverter Control (429)
Work instructions
Retrofit Controller
Slip rings from nacelle to hub
Enercon SCADA
Pitch Bearing Refurbishment
Communication issues with the SCADA
Pitch control issues
Service level in the Nordics
High temperature in generator windings
Excessive generator heating durations
Capacitor charging error, Feeding control bus error, Error supply hardware: Inverter Control
Major component issues
Ongoing technical support and IP challenges with the OEM
Supply chain delays
SCADA upgrades
EPK-contract expires
Humidity in generator windings continued
VCS parameters resulting in power fluctuations and checking VCS "standby mode" parameters
Info-Enercon monitoring moving monitoring to a cloud based service
E70 - Humidity Issues
E70 Cracks in the hub
E70 Blade Lightning Strikes Issues
Failure at connection HV cable transformer phase
Blade Misalignment
Experience with noise issues related to blade misalignment
Lack of personal at Enercon
Issues/damages due to humidity after grid errors among our 73 E70 turbines

Fuhrländer

Fuhrlander F2500 supply chain
Experience with Rewitec lubrication additive for main bearings and gearboxes

Gamesa 2MW

Gamesa AT-DAS / Energy Thrust Upgrades
Gamesa G80 (2MW) Clicking Noise

GE 2.X

Independent Service Provider for GE turbine in Northern Europe/Scandinavia
GE 2.85 Power Curve Underperformance
Yaw brake system end of warranty inspections
2.X Blade Bond Line Cracks & Other Blade Issues?
Prediction of Main bearing lifetime
Gearbox Elastomer Dampers and rubber hoses worn out
Main Shafts Bearings premature wear
Poor performance: poor availability month on month; consistent poor power curve; lack of proactive response
Multiple issues associated within the hub area: ie.: blade bearing seals, pitch motors, pitch batteries, corrosion / sheared bolts of the spinner cover, water ingress in the controller box.
Winergy generator failures.: serial manufacturing defect noted
TPO and VG’s performance improvement is questionable
SCADA: expensive upgrades, problems with production counters. Lead time of SCADA spares.
Pitch Bearings - The Achilles heel of GE 2.5 XL Turbine
Other Losses in the 2.5 XL GE
Power Cables Joints overheating along the tower
Pitch
Curtailment
Cracks and blowholes in azimut break discs
Main bearing breakdown
Huge reliability issues with our 2.X pitch systems on one site
Two recent generator failures on a 10 turbine site
Odometer Maintenance
TIL Gearbox NGC 3.X - Wear between sun and hollow shaft
Pitch Motor Failures
Blade bolts too short after Blade Bearing Replacement with stiffener
Blade Bearing Lubrication issues for 2.5 XL series
Cable joint overheating issues and measures
2 TPI Blade - Trailing Edge Blade crack. Hardware Mitigation.

NEG Micon

NM52 Yaw System

Nordex 2.3-2.5

N90 Lightning Rods
Nordex N100 2.5MW Icing Downtime
Nordex N100 Main Bearing failures
Ice on blades: how to manage the issue?
Blade Bearing
Blade bolts
Yaw brake calipers
Add alarms in NC2
Hydraulic issues in gamma version
Nordex Customer Interface
Consumables and components replacements according to service contract
Very high number of converter faults
10 amps main converter fuses blow fuses
Operation issues that course LP- Power Set point change often
Main converter overheats
Early-stage main bearing alarms on CMS system
GE Converter Hose Upgrade

Nordex ... continued

Nordex N80 Turbine Collapse
Blade repair
Broken pitch battery boxes Nordex N100 gamma
Severe blade damages Nordex NXX
N90 Lightning Rods
Nordex Blade Bolts
Main converter faults that are causing the turbines to curtail themselves
Root cause analysis of cooling systems for the main inverter - Has Nordex made the best choice of components?
Broken blade bolts
GE Converter Issues / Phase Modules
Large amount of LM blade lightning damages
Main converter overheating
IBS interbus stop faults
LV main switch off
Replacement of pitch battery cabinets in the hub
LPC screens are losing connection
Cracks in blades - NR50
Increased number of generator bearings failures
Low pressure in the converter cooling system
Yaw Master-follower upgrade
Long Term Outages
Decommissioning of turbines
IDS converter FRT faults, faults following grid outages, and high wind periods
Pitch Converter Failures
Relationship between k term and main bearing & Gearbox CMS issues
Gearbox heaters
Long delivery times for maintenance materials and spare parts
Slip rings for HUB
Main Bearing Failure is imminent
Bearing temperatures remain on the higher side
Nordex WTGs do not perform much below the OEM Power Curve
Main converter cooling
Pitch Safety run faults
Blade lightning mitigation

Senvion MM

Sealing-ring issues on Eickhoff-gearbox on 3.XM-Senvion turbines
Senvion Insolvency Proceedings
Senvion insurance issues
Problem with the de-icing system of the Senvion Wind Turbine MM platform
Defects on the battery voltage control unit in the pitch SSB on MM100 WTG
Yaw sound issue
Pitch and converter faults
Major component changes
Servicing
Aerodynamic add-ons
Main bearing issues are still there.
Pitch box explosion
CSC3 Availability
Pitch Motor failures
Pitch Bearing Failures
Main Shaft Refurbishment supplier performance & capabilities
Uptower generator bearing replacements
Weidmuller CMBB parts availability
CSC3 - CSC4 Upgrade
Pitch current asymmetry
Understanding risks and trends with major component life
Ice detection

Siemens 2.3

Siemens 2.3MW ABB generator issues
Siemens 2.3 101 hub lifting bracket
Siemens 2.3 corrosion in the canopies
SWT-3.2-108 Power Curve Options
Spare blades SWT2.3-93 B45 blade
Skyman Lifts
Blades' web cracks at Siemens SWT101 2.3 turbines
Blade bearing wear
Blade web cracks
Short circuits in the stator windings causing generator failures
Rose joint on the pitch cylinders
Early deterioration detection, health monitoring and potential mitigation on pitch and main bearings
Technologies applied on new designation of platforms
Yaw motors issues
Standard EN 795 of the anchors
MAIN COMPUTER WTC3 V301-2.01
Generator overspeed
Very frequent yaw brake pads and yaw motors replacements
Main shaft failure
Generator failures

Siemens DD

Breaking blade bolts
Erosion and Main Bearing problems with SWT-3.0 101
Power Curve deviation on Siemens Gamesa SWT3.0DD 113 turbines
SWT3.0-101 Blades - Leading Edge Erosion Issues
Experience with Siemens direct drive?
Main bearing grease leaks
Blade bearing debris content, and how long to leave in operation
RCO to 300kW after issues with magnet vibrations
Correlation: WF load factor & generator/main bearing damage
Parameters that usually identify a decay of conditions in DD generator
Profinet Alarms
Inverter Module Failures
HYDRAULIC oil exchange interval
Water content Blade Bearing grease
Yaw System Bus Bar Adapter located in nacelle A3 cabinet
Errors related to the components “Valve 25_G2K2”
Blade root cover
0MW uprating to 3.4MW
Failing 33kV turbine switchgear
Failing blade bolts
Hydraulic oil viscosity drop
Too frequent PLC safety alarms
Cooling System Pressure Declining
33kV cable termination failures
Cooling system leakages
Converter inverter module issues

Smaller Gamesa turbines

G52 versus V52 Blades
Gearbox Oils - Is there a best Synthetic??

Smaller GE turbines

Rotor blades GE 46
Serious problems with the blades

Smaller Vestas turbines

V47 Alarm 80 - Low Gear Oil Pressure
Vibration on Vestas NM82

Vestas 1.8-2.0

Anyone else who have experienced that PPO is affecting the sound power level?
Vestas V90 power performance upgrades
V90 2MW Power Control
PowerCurve deviation
V90-2MW Bearing faliure
Yaw rings on V80s - deformation on the top edge of the gear teeth limited to a fairly small section
V80 2MW fire in nacelle
After Controller Upgrade to Global we experience a lot of Yaw errors
Blade Damages under AOM5000
Broken High -speed coupling 2 MW Platform Mk 7.4-Mk 11
Hydraulic issues
Broken tower section bolts V80 2 MW
SGB MV Transformer Issues on V110-2MW
Health & Safety
Blade defaults
Alarm 107: VCPM OpState Change timeout
Pitch angle of Blades & Blade Load Sensor Values
Reference curve for Pitch angle vs Active Power?
Yaw System Misalignment & Nacelle/Wind Direction deviation
V82 / V100 MW Resettable - Non Resettable Error Code list
V100- Repeated Error on Generator
Lightning Monitoring
Pitch misalignment based on Scada data
Equipment for monitoring blades
Aerodynamic retrofit package on V80-V90 turbines
Misalignment - Lidar test on a V90 in France
Extreme yaw error issues
Restart delays after grid outages

Vestas 4 MW

Hydraulic Failures
About ice on wind turbine blades
Vestas V112 Blade Load Sensor Errors causing the WTGs to derate
Vestas V112 Line Side Breaker Fault
PT100 Sensor Issues
Vestas V126 3,45MW main component failures
Rotor Locking Pins - Vestas V112
Uprating of the single power unit
Decreasing of production with no visible reasons
ICING PROBLEM OF WIND TURBINES
Torque arm bushing failure
Hydraulic oil leak in hub
Worn LE on blades
V112-V136? Grid failure/power loss
V112 Gearboxes in wet sump
V136 Underperforming PC at the upper knee
Does any of the wind farm owners perform high voltage cable tests on V112, V117, V126 turbines according to local mandatory regulations?
Experience of timely CMS notification about the development of an emergency on the first and second gearbox stages?
The effectiveness of the performance curve tests
Converter Hardware Errors - Fault diagnostics and strategy
AC/DC PSU Supply breaker opening in ++31
Debonding of blade shells of the V136 series
V136 lightning protection systems
V136 blade control during grid outage
Cooler top frame getting loose and falling down
Main gearbox torque arm bushings
Yaw teeth lubrication
Power cable supports in tower
Accumulator replacement
Gearbox supply issues
Ongoing PT100 issues
Warranty extension of blades
Delayed restart after grid outage
Defective yaw motors from ABB
Converter troubleshooting
WTG power set point without toolkit
VOT Upload/Software issues
Blade Bolt Missing
LCTU failures
Hydraulic hoses that are “sweating”
Standstill marks in gearboxes related to blade repair?
LPS Cable Damage
Reduced active power production and increased pitch activity

Vestas V90 3MW

Hydraulic pump V90 3 MW
Vestas V90 3MW Self Servicing Companies
Renovation on Q8 Breakers on Vestas V90 3 MW
Gear oil exchange on the V90 offshore
Foundation bolts
Slipring brushes
Mold in Tours
De-prioritization of Work
Service Standards from Vestas
VMP Global Software/processor upgrade
Contingency for obsolete parts
VESTAS Safety Alert 190.R7: Risk to front bottom part of nacelle cover
Nacelle ventilation fans M316 & M317
Rotating Union Slipring faults
Yaw Contactors failing

Webinars

How to operate Older Wind Farms
Gearbox & Drivetrain
Lightning - Protection, Repair & Claims
Increase Power Output
Digitalization of O&M workflows

Lifetime Extension
LIDAR measurement campaigns
Ice & wind farm operations
How to Monitor and Follow up OEM’s on Service Production & Availability
Wind turbine owners experiences from applying CMS

Balance scorecard to monitor OEMs
How good is your pitch?
Gearbox Oil
Owner's view on how to apply CMS in wind farm operations
How to monitor your turbines

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