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Active Furling


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Active Furling


AF is unique to Weaver turbines.


Weaver turbines use Active Furling – a combination of aerodynamics, control logic, and active response that allows your turbine to detect and actively respond to changing weather conditions.


AF is Simple, Safe, and Reliable

This revolutionary control method increases the longevity of the machine and distinguishes Weaver turbines from all other small-scale wind systems.

If adverse weather conditions are detected or predicted, our turbine's automated control mechanism quickly furls (pivots, folds) the tail, protecting the machine from overspeed. When sensors confirm that conditions are safe again, the tail returns to its straight-back position and the turbine resumes normal operation.

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Weaver Innovation at Work

In this slow motion video, the camera points directly into the wind at all times. The tail furls in response to software detecting high winds, high rpm, etc.  The force of the wind on the furled tail realigns the tail with the wind causing the rotor to turn away from the wind – slowing it – ensuring turbine safety. This is analogous to how a sailboat's direction and speed is controlled – a rudder turns the vessel into the wind, slowing the boat by spilling excess wind from the sail.


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Durable Design


Durable Design


Turbines designed and built to run for the long haul.


We design our turbines to last at least 20 years with minimal maintenance.  To achieve this we focus on durable design and use the highest quality materials and heavy-duty components. 


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Design
Our machines are designed, engineered, and built at our facility in Freeville, New York. Because we maintain contact with our machines from concept to production, we can ensure a high-quality, durable end product. 

 


Materials
We use aircraft-grade aluminum stock for our turbine frame, taking corrosion out of the picture and making our turbines light and strong.  


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Key Components
We utilize frameless permanent magnet generators, allowing us to design an exceptionally durable housing and use super burly bearings for long life. 

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We use a heavy-duty slew drive to control the turbine tail. Ideal for Active Furling, the holding power and precise angular control of our slew drive ensures optimum turbine power output under all weather conditions.


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Storage


Storage


What can battery storage do for you?


Storage-based systems, on and off the grid, are the future of renewable energy.  This is why we choose to pair our turbines with battery storage and grid-interactive inverters.


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Storage-based systems...

• Interact with the grid and can also operate independently, keeping the lights on in the event of a grid failure.

• Save money by selling excess generated power back to the grid.

• Outsmart smart metering with 'load-shifting' capability.

• Advance the transition to a 100% clean energy future.


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Monitoring


Monitoring


We've got your back.


It is important for somebody to stay connected with the performance of your turbine. Our web-based monitoring and data management systems allow you (and us) to monitor performance 24/7.  We offer free monitoring (with owner permission) for the lifetime of the system, allowing us to detect and remedy any issues before they become problems. 


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Over-the-Air Updates

Periodic software updates provide the latest control software and communications capabilities, completely transparent to the owner. With a low-bandwidth internet connection, even the most remote, off-grid locations receive software updates as soon as they are available.

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Web Forecasting and Weather Alerts

Our web-connected systems continuously monitor and respond to National Weather Service severe weather alerts in real-time, so you never have to worry if your turbine is ready for extreme weather.


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Sensors


Sensors


Control starts with intelligent sensors.


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Our systems utilize a multitude of sensors to maintain safe and efficient performance.  We measure alternator performance, battery and grid status, atmospheric conditions, system temperatures, rotor speed, and tail movement. We achieve fail-safe performance through layers of sensors, protecting your asset as it works for you. In engineering, redundancy is a good thing.


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Carbon Fiber


Carbon Fiber


Advanced materials enhance our technology.


The value of CF blades is in their durability and ability to quickly respond to changing conditions, picking up RPMs efficiently and decelerating quickly. The leading edge of our blades are reinforced with steel to minimize wear and ensure long life.

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