Our Products has been sold to many countries, DF produces large-scale grid-connected wind turbine generators which are suitable for class IIand class III wind farm, and now it produces 800kW WTG (low wind-speed type), The products have passed the design certification authorized by China Classification Society (CCS) and Det Norske Veritas (DNV). DF has a top R&S group comprised of leading Chinese experts and Danish expert team from DWD (Danish Wind Design). It has manufacturing bases in Foshan, Zhuhai and Inner Mongolia, and the annual production capacity is 500 units of large-scale WTGs. The company also has acquired Authentication on Quality System (ISO9001) and High-tech enterprise qualification (already been approved).
|
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 |
-20-40 |
|
Survival temperature ranges |
-20-50 |
|
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 |
|
G. Capacitor |
|
Manufacturer |
EPCOS (China) Investment Ltd. |
|
Type |
MKP850-D-38 |
|
Nominal Capacity |
3x55.7µF |
|
Allowable deviation |
-5%~+10% |
|
Rated voltage |
690V AC |
|
Rated frequence |
50Hz |
|
Rated reactive power |
25kvar |
|
Protection level |
IP20 |
|
Capacitor number |
9 |
|
Cooling mode |
Air-cooled |
|
H. Tower section: |
|
Manufacturer |
Liuzhou City Mingyang Electromechanical Co.,Ltd. |
|
Type |
Double taper round tower |
|
Tower top diameter |
2.16m |
|
Tower base diameter |
3.25m |
|
Tower height |
47.3m |
|
Numbers of tower segment |
3 |
|
Material |
Q345B |
|
Weight |
|
|
Gearbox |
|
Manufacturer |
Chongqing CQ.Gearbox Windpower Gearbox Co.,Ltd. |
|
Model |
FL800DF |
|
Type |
1stage planet gear + 2 stage parallel axis |
|
Rated Power |
880kw |
|
Transmission ratio |
70.022 |
|
Oil grade |
Mobil SHC XMP 320 |
|
Lubrication |
Compulsive lubrication |
|
Noise |
≤90Db (A) |
|
Weight |
6700kg |
|
Efficiency |
96% |
|
J. Main Bearing |
|
Manufacturer |
SKF (China) Sales Co.,Ltd. |
|
Type |
2408 ECA/W33 |
|
Shape |
Double row hear-adjusted roller bearing |
|
Material |
Steer structure and bearing steel |
|
Weight |
217kg |
|
L. Shaft coupling |
|
Manufacturer |
KTR Power Transmission Technology (SHANGHAI) Ltd. |
|
Model |
RADEX-N115 NANA 4 with brake disk |
|
Rated torque |
9.0kNm |
|
Maximum torque |
18kNm |
|
Cw/Angular stiffness |
0.15Kn/mm |
|
Slip torque |
10kNm |
|
M. Brake System |
|
Main brake system |
Blade tip aerodynamic brake |
|
Manufacturer |
Beijing Deven PTC,Ltd |
|
Model |
SHD5W-1-EF3-1 DM |
|
Brake type |
Passive, spring braking |
|
Number of brakes |
2 |
|
N. Fluid drive system |
|
Manufacturer |
HYDAC Technology(Shanghai) Ltd. |
|
Type |
DFXY-800kW |
|
O. Yaw System |
|
1). Yaw decelerator |
|
Manufacturer |
Chongqing Qingping Manufactory |
|
Type |
QPH800 |
|
Number |
2 |
|
2). Yaw Motor |
|
Manufacturer |
ABB (Chine) Co.,Ltd. |
|
Type |
YEJ100L-6 |
|
Rated voltage |
400/690V |
|
Rated Power |
1.5kW |
|
Rated speed |
960rpm |
|
Protection level |
IP55 |
|
3). Yaw bearing |
|
Manufacturer |
Luoyang LYC Bearing Co.,Ltd. |
|
Type |
1788 |
|
Material |
42CrMo4V |
|
4). Yaw Brake |
|
Manufacturer |
Beijing Deven PTC.Ltd. |
|
Type |
BCH85A-P-825-WS1-2 |
|
Quantity |
5 |
|
P. Main Control system |
|
Manufacturer |
Beijing Corona Science & Technology Co.,Ltd. |
|
Hardware platform |
Siemens STEP7 |
|
Software design |
Beijing Corona Science & Technology Co.,Ltd. |
|
Software edition |
WP-GDFY-S01 |
|
Q. Lightning protection |
|
Protection level |
Lightning protection level II |
|
Resistance of earth terminal |
≤4Ω |
Jiangsu Lionkin Industrial Co., Ltd. (LIONKIN) was new established on the base of our old company of Yancheng Foreign Trade Corp. Ltd. (YCFT), the registered capital of 10 million yuan, we are the oldest Imp & Exp Company in Yancheng Jiangsu Province, we start international business from Year 1990, we export Agricultural Machinery, Construction Machinery, Wind Generators, Hardwares, Crafts, and so on, our yearly amount is about one (1) billion US Dollars each year, Now the new LIONKIN company expends its business of machinery processing, constructions, green energy equipments, ect. More powerfull company will supply you much more better safety business. Welcome all freinds from all over the world.
