Understanding Noise from Wind Turbines

For a basic understanding about noise problems generated by wind trubines  go the following  AEI Wind Turbine Noise report 2009

The problem exist with most who visit a wind farm (usually during the day & usually in good weather conditions) and  do NOT here any perceptible noise.  

Noise complaints revolve around several factors

1)  weather conditions which involve cool calm nights

2) low frequency levels which are not audible but are still perceived by your body (especially your inner ear)

3) air modulation which occurs when the blade passes the mast and creates an audible “swoosh”

4) harmonic power distortion  or dirty electricity that is invading  homes.

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