E-12 is a 30Kw machine, at an average site, the E-12 produces enough electricity per year for about 20 households. This equates toapproimately the amount of power required by a medium sized modern agricultural business.
Data of the gearless E-12
Model:E-12
Rated capacity: 30 kW
Rotor Diameter: 12 m
Hub height: 24 - 32 m
(variety of towers and bases)
Rotor with pitch control: upwind rotor with active pitch control
Direction of rotation: clockwise
Number of blades: 3
Swept area: 113 mē
Blade material: fiberglass (reinforced epoxy) with integral lightning protection
Rotor speed: variable, 30-90 rpm
Pitch control: active (electromechanical)
Generator with drive train direct-driven permanent-magnet
ENERCON synchronous machine
Grid feeding: ENERCON inverter
Breaking system: active pitch-control
feathered pitch through mechanical
overspeed protection
generator brake for service
rotor lock for service
Yaw control: passive via wind vane
Cut-in wind speed: 3 m/s
Rated wind speed: 11 m/s
Data of the gearless E-30
Rated capacity: 200 kW
Rotor Diameter: 30 m
Hub height: 36 - 50 m
(variety of towers and bases)
Rotor with pitch control
Typ: upwind rotor with active pitch control
Direction of rotation: clockwise
Number of blades: 3
Swept area: 707 mē
Blade material: fiberglass (reinforced epoxy) with integral lightning protection
Rotor speed: variable, 18-38 rpm
Pitch control: three synchronised blade pitch systems with emergency supply
Generator with drive train
Hub: rigid
Generator: direct-driven ENERCON ring generator
Grid feeding: ENERCON inverter
Breaking systems: 3 independent pitch-control systems with emergency supply rotor brake
rotor lock for service and maintenance
Yaw control: active through adjustment gears friction damping
Cut-in wind speed: 2,5 m/s
Rated wind speed: 11,5 m/s

Data of the gearless E-40
Rated capacity: 500 kW
Rotor Diameter: 40 m
Hub height: 44 - 65 m (variety of towers and bases)
Rotor with pitch control
Typ: upwind rotor with active pitch control
Direction of rotation: clockwise
Number of blades: 3
Swept area: 1.275 mē
Blade material: fiberglass (reinforced epoxy) with integral lightning protection
Rotor speed: variable, 18-38 rpm
Pitch control: three synchronised blade pitch systems with emergency supply
Generator with drive train
Hub: rigid
Bearings: double-row tapered roller bearings
Generator: direct-driven ENERCON ring generator
Grid feeding: ENERCON inverter
Breaking systems: 3 independent pitch-control systems with emergency supply rotor brake rotor lock for service and maintenance
Yaw control: active through adjustment gears friction damping
Cut-in wind speed: 2,5 m/s
Rated wind speed: 12,0 m/s

Data of the gearless E-58
Rated capacity: 850 kW
Rotor Diameter: 58 m
Hub height: from 70 m (variety of towers and bases)
Rotor with pitch control: upwind rotor with active pitch control
Direction of rotation: clockwise
Number of blades: 3
Swept area: 2.642 mē
Blade material: fiberglass (reinforced epoxy) with integral lightning protection
Rotor speed: variable, 10-23 rpm
Pitch control: three synchronised blade pitch systems with emergency supply
Generator with drive train
Hub: rigid
Bearings: double-row tapered roller bearings
Generator direct-driven ENERCON ring generator
Grid feeding: ENERCON inverter
Breaking system: 3 independent pitch-control systems with emergency supply rotor brake
rotor lock for service and maintenance
Yaw control: active through adjustment gears friction damping
Cut-in wind speed: 2,5 m/s
Rated wind speed: 11,5 m/s

Data of the gearless E-66
Rated capacity: 1,5 MW
Rotor Diameter: 66 m
Hub height: 67 - 98 m (variety of towers and bases)
Rotor with pitch control Typ: upwind rotor with active pitch control
Direction of rotation: clockwise
Number of blades: 3
Swept area: 2.642 mē
Blade material: fiberglass-reinforced epoxy resin with integral lightning protection supply
Rotor speed: variable, 8-22 rpm
Pitch control: three synchronised blade pitch systems with emergency supply
Generator with drive train
Hub: rigid
Bearings: tapered and cylindrical roller bearings
Generator: direct-driven synchronous ENERCON ring generator
Grid feeding: ENERCON inverter
Breaking system: 3 independent pitch-control systems with emergency supply rotor brake
rotor lock for service and maintenance
Yaw control: active through adjustment gears friction damping
Cut-in wind speed: 2,5 m/s
Rated wind speed: 13 m/s
contact address:
Solar Energy Alliance, 8A, Battery Green Road, Lowestoft, Suffolk, England NR32 1DE
Tel: +44 01502 515532. Fax: +44 01502 561399.
Solutions for modern energy needs
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This page was last updated on 03/10/00