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Windflow Technology Ltd

Physical:
44 Mandeville Street
Riccarton, Christchurch 8011

Postal:
PO Box 42-125
Christchurch 8149

NEW ZEALAND

Phone: +64 3 365 8960
Fax: +64 3 365 1402

Email us

 

Technical Specifications

Detailed technical specificaton for the Windflow 500 wind turbine, designed and manufactured in Christchurch, New Zealand for IEC Class 1A.

Nacelle graphic 

Blade (1)


Make:
Material:
Air Brake:
Weight:
Wind Blades Ltd
Laminated wood/epoxy
Full-span pitch
900kg

Rotor (2)


Number of Blades:
Rotor Diameter:
Rotor Speed:
Swept Area:
Hub Height:
Orientation:
Regulation:
Hub:
Weight (Hub and Blades):
2
33.2 m
48-51 rpm
866 m2
30 m
Upwind
Full-span pitch
Teetering (pitch-coupled)
4,000 kg

Hydraulic System (3)


3a. Power Unit:
3b. Yawing:
3c. Pitch Actuation:
3d. Braking:
3e. Torque Limiting:
7.5 kW axial piston pump
1.3/2/° sec geared motor
Linear actuator
Fail-safe caliper
Radial piston motor

Gear Box (4)


Type:
Design:
No. of Stages:
Overall Ratio:
Rated Torque:
Hicks planetary/parallel TLG
AH Gears Ltd
4
31.1:1
114 kN.m

Generator (5)


Type:
Rated Power:
Speed:
Voltage:
Frequency:
Synchronous
500 kW
1500 rpm
415 V
50 Hz

Tower (6)


Type:
Height:
Weight:
Tubular
29 m
15,400 kg

Controller:


Make:
Cut in System:
Logic System:
Bremca Industries Ltd
Auto-Synch
PLC

Performance:


Low Wind cut-in:
Rated Power at:
Maximum Power:
High Wind Cut-out:
5.5 m/s
13.7 m/s
500 kW
30 m/s

Total Weight:


Nacelle & Rotor:
Total
13,700 kg
29,100 kg

Certification


Type Approval
Turbine Desing
Quality Accreditation
LLoyd's Register
IEC 61400-1 (edition 3) Class 1A
ISO 9001 : 2008
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