General Specifications

Manufacturer QED Wind Power USA
Configuration Horizontal Axis
Life Expectancy 20 Years
Service Maintenance Annual (2 Hours)
Power 20kW
Cut In Wind Speed 3 m/s
Cut Out Wind Speed 20 m/s
Wind Speed Survival 60 m/s
Regulation Primary Proprietary Phase Angle
Regulation Secondary Yaw

Rotor

Rotor Diameter 12.5m
Rotor Speed 75 rpm
Rotor Weight 350kg
Blades Proprietary QED
Number of Blade/Length 3/6m
Swept Area 115m2
Position Upwind
Direction Clockwise
Material Fiberglass
Color White Semi Gloss

Generator

Generator Manufacturer CSIC Marine
Type Permanent Magnet
Voltage 600V 3 Phase Delta
Frequency 25

Shaft

Shaft Material N24T
Bearing Housing Type Ductile Cast Iron
Bearing Type Dual Spherical Roller
Bearing Lubrication Grease

Output

Rated Turbine Output 20kW
Maximum Continuous Output 25kW
Maximum 1 Minute Output 25kW
Maximum 1 Minute Reactive Requirement 0.25kVARS
Design Power Factor 220V 100A 0.95

Brake System

Primary Brake System Resistive Load
Back Up Brake System 2 Spring Applied NC

Yaw System

Yaw System Active
Signal Wind Sensor and Yaw Motor
Yaw Slew Ring Multi Point Ball Bearing
Yaw Drive Type AC Motor Custom Planetary
Electrical Connection VFD
Yaw Safety Device1 Planetary Clutch NO
Yaw Safety Device2 Cable Twist Logic

Nacelle

Nacelle Steel
Nacelle Frame Custom QED Welded Structure
Nacelle Cover Fiberglass
Weight 1900kg
Color White Semi Gloss

Tower

Tower Type Tubular Steel Monopole
Sections 2/3
Hub Height 19m/25m/31m
Blade Tip Minimum 13m/19m/25m
Location Ladder None Required
Location Crane None Required
Turbine Access Hydraulic Pivot Tower
Color Galvanized Steel

Miscellaneous

Control System Manufacturer QED Wind Power USA
Model PHX20
Logic Controller Mitsubishi PLC
Remote Monitoring Yes
Remote Control Full
Data Logging Continuous Online/Offline