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What is a Wind Turbine Generator (WTG)?
A WTG, like the AIR-X shown here, consist of
- a rotor with three rotor blades (1,2 m diameter)
- an integrated battery charge controller
- a mounting pole or tower
This small WTG, like the AIR-X, produces DC-Voltage of 12 V or 24 V that will charge your batteries.
The perfect solution for a home system consists of solar panels and a WTG. Known as a hybrid system, both the WTG and solar panels will charge your batteries. While normally the investment for a WTG is less than for solar panels, you have to be aware that you can only rely exclusively on WTG in areas where the wind speed is a reliable and permanent power source.
Solar and wind resources often complement each other. Generally when it is sunny it is calm and when it is cloudy it is windy. This complimentary effect is even greater during seasonal changes. During the rainy season the sun is at its least exposure, and the wind is at its highest. A WTG during these periods is essential to keep your batteries charged and your lights on. If both resources are available, then a hybrid system is the more economical approach because it uses fewer batteries and the battery bank is cycled less, resulting in longer battery lifespan and lower costs.
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Features of the AIR-X
- Unprecedented 3-year warranty
- Carbon fiber composite blades
- Aircraft quality aluminium alloy castings
- Exclusive brush-less neodymium cubic curve alternator
- Sophisticated internal battery charge regulator
- Maintenance-free - Only two moving parts
Exclusive Auto-brake-feature that slows the AIR to a silent spin when the batteries are charged thus extending bearing life and reducing noise.
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What is the AIR-X?
The AIR-X is by far the world’s number one selling small wind turbine. The AIR-X incorporates a new microprocessor based technology that results in increased performance, improved battery charging capability, greater reliability and the reduction of “flutter” noise from the machine.
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How much energy can a WTG deliver?
The power output of a WTG is measured by “Watt-peak”. But this number will be reached only at higher windspeeds of 10-12 m/s – these are not the average windspeeds. At a lower windspeed the energy output will be fairly less. In order to estimate the average generator output, every reliable manufacturer will indicate the monthly energy output compared to the annual average wind speed (see chart).
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Is the WTG suitable for my location?
The perfect solution is a home system consisting of solar panels and a WTG.
With an additional WTG you will reduce the stress placed on the batteries. Furthermore, the WTG will prolong the autonomy of your system, because electricity will be generated and stored also during the night and during the cloudy rainy season.
Wind energy is not for everyone. Your site must have enough wind and be free from wind obstructions. Example: If your house is 10 m high and you want to install the WTG behind your house, the tower should be at least 20 m high. If you have a large piece of land you can also install the WTG with a 10 m tower but 100 m behind the obstruction.
Why not install the WTG in front of the house? Noise pollution is the main reason! If your WTG is behind the house, the noise will ‘fly away’ from your place.
Do I have enough wind on my site?
You should have at least a 4 m/s average wind speed at your location.
Do you need an even more powerful WTG than the AIR-X?
Sunlabob can provide a WTG for every application.
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