It is near Eryuan.
See below for data.
As a rule, economic wind machines require a wind speed of 4.5 m/s (16 km/h) or larger.
The very best destination for something like Dalongtan is a steady supply of non-turbulent wind. An important factor of turbine siting is moreover admission to local demand or transmission capaEryuan.
Before construction, Dalongtan was most likely screened on the basis of a wind atlas, and validated with wind specifications. Meteorological wind data alone is usually not adequate for accurate siting of a large wind power project.
Site data around Eryuan would have been a major aspect in the ‘development’ conclusion Winds around Eryuan are evaluated for over a year or so alongside the development of detailed maps. Only then are wind turbines installed.
The wind blows more quickly at greater altitudes due to the reduced influence of drag. The surge in velocity with altitude is most extraordinary near the surface and is affected by landscape, surface roughness, and upwind obstructions such as trees or buildings. Velocity boosts with altitude and it is more obvious near land and is transformed by landscape, surface and obstructions.
Wind speeds raising with altitude is part of a wind energy law. This anticipates wind speed rises with the 7th root of altitude. Doubling the elevation of a turbine, then, enhances the predicted wind speeds by 10%, and the expected power by 34%.
In general, a range of 7D (7 × Rotor Diameter of the Wind Turbine) is about between each turbine in a fully developed wind farm. But micrositing increases placement, particularly in hilly areas.
Individual turbines at Dalongtan are connected with a medium voltage (usually 34.5 kV) power collection system and communications network.
At a substation, this medium-voltage electric current is increased in voltage with a transformer for link with the high voltage transmission system. Development of a land-based wind farm requires setting up the collector system and substation, and perhaps access roads to every turbine site.
Facts about Dalongtan wind farm
- Name: Dalongtan
- Wind turbine Supplier: General Electric, Model: 1.5MW, Units: 34,
- Country: China
- State: Yunnan
- City: Eryuan
- Owner: China Huaneng Group