DF52/800 800KW Wind Turbine Generator

DF produces large-scale grid-connected wind turbine generators which are suitable for class II and class III wind farm
Specifications of Wind Turbine:

A.
Specifications of Wind Turbine:

Type
DF52-800
Class
IEC IIA
Power adjustable type
Stall-regulated
Rated power
800kw
Grid connection
Soft grid connection
Vt/Cut-in wind speed
14m/s
Vin/Cut in wind speed
4m/s
Vout/Cut out wind speed
25m/s
Ve50/Hub Height50-year extreme wind speed
59.5m/s
D/Rotor Diameter
52m
Rated Rotational speed
21.68rpm
Hub height
50m
Designed service lifetime
20 years
Noises
≤100dB(A)
B. Environmental conditions:
Normal temperature ranges
-20°C-40°C
Survival temperature ranges
-20°C-50°C
Relative humidity of the air
≤95%
Air density
1.225kg/m³
Solar radiation
<1000W/m2
C. Electrical network condition:
Normal supply voltage range
690V±10%
Normal supply frequency and range
50Hz±2%
Voltage imbalance
The ratio of the negative-sequence component of voltage to the positive-sequence component shall not exceed 2%
Number of electrical network outages
20 times/year
Maximum duration of electrical power network outage
7 days
D. Rotor:
Blade type and manufacturer
ZN25.0 China Energy Windpower Equipments Co.,Ltd.
Length of blade
25m
Material of Blade
Glass fiber reinforced resin
Number of Blades
3
Direction
Horizontal axis
Inclination angle
5°
Cone angle
2.5°
Wind Direction
Upwind
Sense of rotation(looking from upwind)
Clock-wise
E. Hub:
Manufacturer
Shanxi Diesel Engine Heavy Industry Co.,Ltd.
Structure shape
Spherical
Material
QT400-18AL
Weight
4500kg
F. Generator:
Manufacturer
Yongji Xinshisu Electric Equipment Co.,Ltd.
Type
YJ50C2
Rated power
800kw
Rated voltage
690V
Rated Frequence
50Hz
Rated rotational speed
1520 rpm
Insulation level
H
Protection Level
IP54
Cooling model
Fan-cooling