New neighbour-friendly lighting system promoted in Germany

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EnertragSystemtechnik presented a new type of turbine warning light at the Hamburg trade fair, claiming the development is likely to improve relations between turbine operators and local residents. The system involves light emitting diode (LED) lighting installed at blade tips instead of on the nacelle. Regulations require that lighting that is affixed to the turbine nacelle -- and therefore not at the highest point of the installation -- must be very powerful. The glare is an irritation for local people, says Enertrag. But just a fraction of this lighting strength is required when the lights are installed on the blade tips at the highest point of the machine, the company states.

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