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Four kW InformationFour kW SchematicsFour kW Specifications
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ResidentialCommercial
4kW 2nd Generation VAWT5kW Wind Turbine
Four kW InformationFour kW SchematicsFour kW Specifications
Four kW InformationFour kW SchematicsFour kW Specifications
750 kW Wind Turbine1MW Wind Turbine2MW Wind Turbine
Four kW InformationFour kW Specifications
Four kW InformationFour kW Specifications
Four kW InformationFour kW Specifications
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Power Converter

Nacelle: 43 mt
Tower (60m): 75 mt

Weather Conditions

Operating: -30 to 40°C
Stand-still: -40 to 55°C
Built in lightning protection

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Power Converter

Type:AC/DC/AC converter
Voltage: 690V / PWM Vector Control
Frequency: 50/60Hz

Yaw System

Type: Ball bearing
Drive: 3 x Asynchronous motor
Braking: Active hydraulic disc brakes

Controller

Processor: Programmable Logic Controller
Remote Control: Internet
User Interface: PMU
Communication: Profibus - DP, CAN BUS
SCADA: Web-based (ISDN compatible)

Pitch System

Type: Independent blade pitch per rotor blade with emergency
power supply
Drive: DC electro servo-drive
Failsafe Brake: Battery back-up

Drive Train

Main Bearing:
Direct-drive design with no gearbox
Generator: Synchronous, permanent magnet

Generator

Type: Synchronous, permanent magnet
Noise Reduction: Class F insulation
Reliability: IP54
Cooling: Liquid cooled
Rated Power: 807 kW
Rated Voltage: 780V

Charts and Specifications