Product Card

All performance figures are indicative. Actual outputs may vary. E&OE
D400 Wind Turbine Specifications
Performance & Rated power 235 W @ 11 m/s (22 knots), 420 W @ 14 m/s (28 knots)
Power outputs Maximum power 600 + W
Rotational speed 1100 rpm @ 14 m/s
Cut-in speed 2.5 m/s (5 knots)
Cut-out wind speed None
Turbine features Turbine type Horizontal axis upwind
Number of blades 5
Airfoil type Low Reynolds – variable camber
Diameter of turbine 1.1 m
Swept area 0.95 sq. m
Tip speed ratio 4
Typical noise level 2 – 6 dbA over background
Blade material Glass-filled nylon
Alternator Alternator type Direct drive – axial field
features 12 pole permanent magnet generator
Design 3-phase AC with rectification
Outputs direct current (DC)
Annular high energy magnet rotors
Encapsulated stator windings
Voltages available DC: 12 V, 24 V, 48 V, 72 V
AC: 240 V grid connect via inverter
Materials Aluminium alloy housing, hermetically sealed
Alocrom 1200 corrosion protection and polyester powder
coat
316 stainless steel shafts and A4 stainless fasteners
EMI (electromagnetic
emissions)
C.E. Compliant
Control system Stall regulation
Brake system Electromagnetic braking switch
Yaw system Passive Low resonance, formed aluminium tail
Heavy duty slip ring assembly with saddle spring loaded
output brushes
Turning circle 700 mm
Mounting Typical stub tower 50 mm – 75 mm O/D
Weight Total 17 kg
Finish Colours available White with white blades
Black with translucent blades