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Photos of Northern Power's NPS 100 Wind Turbines by Paul Gipe

Developed with a government grant, the NPS 100 was designed for remote sites, such as Alaskan villages.

The 21-meter diameter NPS 100 features a direct-drive, permanent-magnet alternator.

Several have been installed in single-turbine installations in the US and Canada and the company has begun selling the turbines in Europe, especially Great Britain.

Like Southwest Windpower’s far smaller Skystream, the NPS 100 has no aerodynamic means to protect the rotor. To protect the rotor from overspeed, the NPS 100 uses dynamic braking of the permanent magnet alternator.

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