|
Operating data |
|
|
Rated power (kW) |
8000/8500 |
|
Cut-in wind speed (m/s) |
3 |
|
Cut-out wind speed (m/s) |
20 |
|
Type of wind zone |
IEC S |
|
Operating temperature (℃) |
-30 ~ +40 |
|
Survival temperature (℃) |
-40 to +50 |
|
Design life (years) |
20 |
|
Impeller |
|
|
Impeller diameter (m) |
Approximately 220. |
|
Swept area (m2) |
Approximately 37994.0. |
|
Number of blades |
3 |
|
Blade material |
FRP |
|
Pitch system |
|
|
Type |
Electric pitch |
|
Pitch bearing |
Rolling bearing |
|
Gearbox |
|
|
Gearbox type |
Two-level planet + one-level parallel |
|
Gearbox lubrication method |
Forced + splash lubrication |
|
Gearbox oil filtration |
Online filtration (optional offline fine filtration) |
|
Generator |
|
|
Type |
Doubly-fed asynchronous generator |
|
Rated voltage (V) |
1140/10500 |
|
Braking system |
|
|
Pneumatic braking system |
Pitch system |
|
Mechanical braking system |
Hydraulic mechanical brake |
|
Yaw system |
|
|
Type |
Active Yaw |
|
Yaw drive |
Electric yaw |
|
Yaw bearing |
Sliding yaw |
|
Frequency converter |
|
|
Rated voltage (V) |
1140 |
|
Network side frequency (Hz) |
50 |
|
Transmission chain |
|
|
Main bearing |
Tapered roller bearings |
|
Control System |
|
|
Control unit |
PLC |
|
Process control system |
Distributed control |
|
Bus Control Type |
Powerlink |
|
Remote Control |
SCADA |
|
Tower |
|
|
Type |
Steel cone tower/concrete tower |
|
Hub center height (m) |
120-160 (customized design) |
|
Cylinder |
Structural steel; precast parts of strength concrete |
1/1
Unit SL8.X/220
Negotiable
China
Cultural Building, No. 59, Zhongguancun Street, Haidian District, Beijing
+86 10 62515566
ibd@sinovel.com
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