Technical Data
| Technical
Data |
| Nominal
power(kw) |
780 |
| Cutin
wind speed(m/s) |
3.5 |
| Nominal
wind speed(m/s) |
14 |
| Cutout
wind speed(m/s) |
25(10minutes
mean value) |
| Survival
wind speed(m/s) |
70(3s
mean value) |
Rotor
| Rotordiametet |
50 |
| Rotationalspeed(rpm) |
22 |
| Blade
material |
Glass
fiber |
| Blade
length(m) |
23.5 |
| Blade
number |
3 |
| Swept
area(m2) |
1962 |
Gearbox
| Type |
Three
stage with planetary and spur |
| Nominal
power(KW) |
825 |
| Ratio |
1：67.4 |
Brake system
| Primary
Brake System |
Three
individual Tip-break |
| Secondary
Brake Stystem |
2mechani
calbrake on the high speed shaft |
Generator
| Primary
Brake System |
Three
individual Tip-break |
| Nominal
power(KW) |
780 |
| Nominal
voltage(V) |
690 |
Yaw system
| Type |
Active
yawing |
| Yawing
speed(0/s) |
0.68 |
Control stystem
Towers
| Typetubular
steeltubular |
Tubular
steel tular |
| Tower
height(m) |
47.28/62.92 |
Weight
| Nacelle |
22T |
| Rotor |
14T |
| Tower |
53T/47.28m 76.2T/62.29m |
S50/780kW Power
Curve
 |
 |
S50/780kW Inner Structue |
