Comparing Different Generators
The fact that wind power increases rapidly with increased wind speed is true for all turbines - this is an exponential S shaped curve
The power production of a turbine in relation to this curve is also fundamentally effected by the rated wind speed of the turbine - the wind speed at which the turbine will produce maximum power.
Only if the rated wind speed of 2 different turbines is identical is it possible to directly compare power production.
For example a 20 Kw turbine rated at 12m/s will produce only approximately 25% more power than a 10Kw turbine rated at 10m/s under average UK wind conditions.
In comparing generators many factors are actually relevant but many people make the fundamental mistake of considering only the power curve. Whilst the power curve is important the other important considerations are:
- The choice and correct programming of the inverters to match the turbine
- The control system of the turbine and how the control system maximises the power available
For a spreadsheet in which you can input the rated power and wind speed of the generator and calculate an approximate annual power production e mail stephen@hymoto.co.uk
Metres Per Second (m/s) and Miles Per Hour
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Manufactured in the UK Energever are very pleased to offer sale the Futurenergy Range of Intelligent Control Upwind Turbines Available in 5Kw, 10Kw and 20Kw models we believe that this range of turbines provides the best economic return of any turbine on the market today considering all factors such as power production, the whole life cost and the design life