Abstract
Abstract The wind speed at the altitude around 300 m is much higher and less variable than at the altitude around 80 m which is the same height of the MW class tower turbine’s hub height. The wind power density is increased 0.37 W/m 2 per meter at the altitude around 6 to 7 km and 0.25 W/m 2 per meter at the altitude around 80 to 500 m. There are two types of power generation systems using lifting bodies. The one is that The generator is installed in the ground station and stretched into the lifting body through the tether. The other is that the generator is installed in the lifting body and stretched into the ground station through the tether. Many kinds of lifting bodies are also researched in the world, called kites, wings, single or twin aerostat, and so on. This article introduced the technical development status and the market prospects of the high altitude wind power generation system all over the world in detail. Key words High Altitude Wind Power(공중풍력), Altitude(고도), Wind Power Density(풍력밀도), Wind Speed(풍속), Kite(연), Tether Unit(연결장치), Mooring Unit(계류장치), Invertor(전력변환장치)
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