Blade Operation Monitoring

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Pitch angle monitoring

Avoid aerodynamic imbalances and their negative effects efficiently by continuously measuring relative pitch angle.

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Insights
White wind turbine.

"Almost 80% of all turbines have an unacceptable rotor imbalance and/or pitch angle error!"

Berlin Wind GmbH

Independent measurements confirmed the :ALIGN results

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Successful detection

of pitch misalignments due to continuous monitoring

Read case study
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Effects of pitch angle misalignment to wind turbinesWind farm in the middle of a woodPitch angle deviation could result in damage.Rotor blades in a meadowClose-up of the root area of a wind turbineWBS on a wind turbine blade with other turbines in the back.Pitch angle deviations can cause inbalances
Challenges

Reduced performance

Even minor, permanent pitch angle deviations can severely impact your assets, shortening the service life of key components. Misalignments also reduce energy output, increase maintenance costs, and compromise safety. Close monitoring is essential to avoid these negative effects and ensure optimal performance and longevity of your equipment.

Challenges

Performance losses

Undetected misalignments could cause performance loss and reduce the life span of the wind turbine.

Challenges

Increased fatigue

Blade angle misalignments could result in damage like broken blades, damaged bearings, cracks and increased fatigue, resulting in expensive repair costs.

Challenges

Long repair downtimes

Downtimes lead to considerable yield losses.

Challenges

Increased Costs (OPEX)

Repair and personnel costs for operators are heavily increased if misalignments are not detected at an early stage.

Challenges

Reduced service life

Operation with misaligned blades leads to reduced service life of wind turbines.

Challenges

Misdiagnosis

Misdiagnosis of imbalances can lead to further invest in resources.

Effects of pitch angle misalignment to wind turbinesWind farm in the middle of a woodPitch angle deviation could result in damage.Rotor blades in a meadowClose-up of the root area of a wind turbineWBS on a wind turbine blade with other turbines in the back.Pitch angle deviations can cause inbalances
Challenges

Reduced performance

Even minor, permanent pitch angle deviations can severely impact your assets, shortening the service life of key components. Misalignments also reduce energy output, increase maintenance costs, and compromise safety. Close monitoring is essential to avoid these negative effects and ensure optimal performance.

Challenges

Performance losses

Undetected misalignments could cause performance loss and reduce the life span of the wind turbine.

Challenges

Increased fatigue

Blade angle misalignments could result in damage like broken blades, damaged bearings, cracks and increased fatigue, resulting in expensive repair costs.

Challenges

Long repair downtimes

Downtimes lead to considerable yield losses.

Challenges

Increased Costs (OPEX)

Repair and personnel costs for operators are heavily increased if misalignments are not detected at an early stage.

Challenges

Reduced service life

Operation with misaligned blades leads to reduced service life of wind turbines.

Challenges

Misdiagnosis

Misdiagnosis of imbalances can lead to further invest in resources.

Features

How our :ALIGN system helps you

Aerodynamic imbalances caused by pitch angle deviations between rotor blades are critical aspects that often receive too little attention. Our :ALIGN system enables operators to react early to changes before they develop into major misalignments.

Wireless Blade Sensor on the surface of a wind turbines rotor blade.
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Fully automated –

More time for other priorities

Our system performs continuous measurements and automatically alerts, freeing you up to focus on other important projects and processes.

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Easy data correlation

Our system allows for easy data export, simplifying the process of comparing correlating data with your system’s performance metrics.

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Increase performance

:ALIGN uses our ON-BLADE technology to monitor pitch misalignments by measuring blade accelerations in three directions simultaneously. This data is used to determine rotor speed and blade alignment, optimizing wind turbine performance and reducing fatigue (if detected error is corrected).

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No rope access required

There are different mounting options for installing the :ALIGN system. No rope access is required for any of them.

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Dashboard access with actionable insights

Say goodbye to data overload. Our intuitive dashboard provides operators with all the essential information they need. Continuous measurement and automatic warnings make it easy to track deviations and address them promptly.

Pitch angle misalignment

Our product

Blade Operation Monitoring

:ALIGN

Learn More
In comparison

A proven alternative to photogrammetry and laser

:ALIGN uses our ON-BLADE technology to monitor pitch misalignments by measuring blade accelerations in three directions simultaneously. This data is used to determine rotor speed and blade alignment, optimizing wind turbine performance and reducing fatigue (if detected error is corrected).

Photogrammetry

:ALIGN

Laser

Continuous measurement and automatic alerts (real-time and historical data)

Location-independent (e.g. forest, unobstructed view, etc.)

Possible for every wind turbine

Offshore

n.a.

Pitch over the rotor speed

Accuracy

± 0,1°

±0.3°

±0,2°

Photogrammetry

:ALIGN

Laser

Continuous measurement and automatic alerts (real-time and historical data)

Continuous measurement and automatic alerts (real-time and historical data)

Continuous measurement and automatic alerts (real-time and historical data)

Location-independent (e.g. forest, unobstructed view, etc.)

Location-independent (e.g. forest, unobstructed view, etc.)

Location-independent (e.g. forest, unobstructed view, etc.)

Possible for every wind turbine

Possible for every wind turbine

Possible for every wind turbine

Offshore

n.a.

Offshore

Offshore

Pitch over the rotor speed

Pitch over the rotor speed

Pitch over the rotor speed

Accuracy

± 0,1°

Accuracy

±0.3°

Accuracy

±0,2°

In comparison

A proven alternative to photogrammetry and laser

:ALIGN uses our ON-BLADE technology to monitor pitch misalignments by measuring blade accelerations in three directions simultaneously. This data is used to determine rotor speed and blade alignment, optimizing wind turbine performance and reducing fatigue (if detected error is corrected).

Photo-grammetry

:ALIGN

Laser

Continuous measurement and automatic alerts (real-time and historical data)

Location-independent (e.g. forest, unobstructed view, etc.)

Possible for every wind turbine

Offshore

n.a.

Pitch over the rotor speed

Accuracy

± 0,1°

±0.3°

±0,2°

Photo-grammetry

:ALIGN

Laser

Continuous measurement and automatic alerts (real-time and historical data)

Continuous measurement and automatic alerts (real-time and historical data)

Continuous measurement and automatic alerts (real-time and historical data)

Location-independent (e.g. forest, unobstructed view, etc.)

Location-independent (e.g. forest, unobstructed view, etc.)

Location-independent (e.g. forest, unobstructed view, etc.)

Possible for every wind turbine

Possible for every wind turbine

Possible for every wind turbine

Offshore

n.a.

Offshore

Offshore

Pitch over the rotor speed

Pitch over the rotor speed

Pitch over the rotor speed

Accuracy

± 0,1°

Accuracy

±0.3°

Accuracy

±0,2°

Your benefits

Maximize performance and longevity

Proactive Pitch Angle Monitoring to Prevent Damage and Extend Service Life. Detect issues early, receive timely alerts, and get comprehensive quarterly reports to keep your wind turbines running at their best.

Case Study

Want to know more? Read this case study

Measure pitch angle deviations with :ALIGN.
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Prevent performance loss

Ensure your system operates flawlessly. With :ALIGN, you can detect changes early, preventing performance loss and potential damage.

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Extend service life

Early detection of pitch angle deviations prevents imbalances and the resulting additional load, helping your assets achieve their intended service life.

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Stay ahead with configurable alerts

Our system delivers notifications exactly when you need them, keeping you informed of any deviations. This proactive alerting helps you address issues promptly and maintain optimal performance.

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Quarterly reports for comprehensive update

Our quarterly reports provide comprehensive updates on pitch angle misalignments, enabling you to track performance effectively and present detailed information to any third party for any necessary actions.

Pitch angle misalignment

One product to measure pitch angles

In order to support operators, our product has been specially tailored for the continuous measurement of pitch angle deviations. (Note: All prices are valid for 2024. The new prices for 2025 will be available shortly)

:ALIGN

ON BLADE technology for ice detection and pitch angle misalignment

Continuous measurement of relative pitch angle deviations with ON-BLADE (OB) technology.

  • Wireless blade sensors (WBS) which measure blade acceleration
  • Is equipped with a base station as receiving unit (mounted in the nacelle)
  • Is mounted on the outer blade surface (and nacelle)
  • No rope access for installation required
  • Dashboard Access

 

 

Cost Overview

Standard

:ALIGN

•

Continuous measuring relative pitch angle deviations

Package includes

This package contains Wireless Blade Sensors (WBS) and a Base Station.

:ALIGN starting at

2730

price per turbine in the first year

FAQs

Pitch angle monitoring common questions

Here we answer frequently asked questions about our pitch angle monitoring application.
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Want to learn more about our :ALIGN?

If you have any questions, our team is always happy to help. Do not hesitate to get in touch with us.

Talk to us