| PRODUCT - Wind Electric Generator (GWL-225 kw) |
| TOWER SPECIFICATION: |
Type-Tubular
Height-43.7m
Material-Steel Plate
Sections-6
Ladder-Inside the tower
Nacelle Frame-(Hot Sprayed galvanized
welded steel plate frame) |
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| ROTOR SPECIFICATION |
No. of blades-3
Diameter-29.8m
Swept area-698 sq.m
Material-polyester reinforced Fibre glass
Pitch-Fixed
Power Regulation-Stall |
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| CAPACITY FACTOR |
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Since wind speed is not constant, a wind farm's annual energy production is never as much as the sum of the generator nameplate ratings multiplied by the total hours in a year. The ratio of actual productivity in a year to this theoretical maximum is called the capacity factor. Typical capacity factors are 20-40%, with values at the upper end of the range in particularly favourable sites. For example, a 1 megawatt turbine with a capacity factor of 35% will not produce 8,760 megawatt-hours in a year (1x24x365), but only 0.35x24x365 = 3,066 MWh, averaging to 0.35 MW. |
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