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1. GENERAL
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Turbine type:
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Horizontal axis, upwind, variable speed direct-drive generator for grid-tied applications
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Standards:
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Designed to IEC 61400-2, wind class II, UL 1741 and IEEE 1547
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2. PERFORMANCE
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Rated electrical power:
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25 kW @ 11 m/s (25 mph) wind speed
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Cut-in wind speed:
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3,0 m/s (6,7 mph)
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Cut-off wind speed:
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25 m/s (56 mph)
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Operating temperatures:
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-40°C to + 40°C (-40°F to + 104°F)
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3. CALCULATED OUTPUT POWER CURVE
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4. EXPECTED ANNUAL ENERGY PRODUCTION (AEP)
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5. ELECTRICAL
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Generator:
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Eocycle 25 kW permanent-magnet synchronous
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Output frequency:
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60 Hz
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Nominal voltages available:
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240V single phase & 480V, 600V, 3-phase
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Generator speed:
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Variable, up to 105 RPM
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6. ROTOR AND BLADES
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Rotor diameter:
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11,7 m (38,4 ft)
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Swept area:
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107,5 m2 (1 157 ft2)
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Type of hub:
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Fixed pitch
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Number of blades:
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2
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Blade length:
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5,6 m (18,4 ft)
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Blade material:
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Epoxy / glass fiber composite
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7. CONTROLS AND SAFEGUARDS
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Turbine controls:
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Electronic power management, turbine supervision and grid monitoring by means of ABB industrial converter/inverter unit; energy production meter optional
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Yaw motion:
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Active electrical, 360° clockwise/counterclockwise rotation for cable automatic unwinding
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Rotor braking systems:
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Dynamic dissipative generator stall (braking time @ max RPM < 6 seconds), yaw-assisted for emergency/fault-alarm conditions; emergency disk brake
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Lightning protection:
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Blade integrated
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8. TOWERS
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24, 30 and 36 m self-supporting tubular towers and 24 m guyed tilt tower available
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9. STANDARD WARRANTY
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2 years; additional yearly coverage available up to 3 years
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Specifications subject to change without notice