No. Description Unit Specification
1. Set
1.1 Origion of Manufacturer CHINA
1.2 Model SM-750KW
1.3 Rated power kW 750
1.4 Diameter of rotor m 49
1.5 Cut-in wind velocity m/s 3.5
1.6 Rated wind speed m/s 15
1.7 Cut-out wind velocity m/s 25
1.8 Resistance of max. wind velocity (averated value per 3 seconds) m/s 60
1.9 Designed service life Year 20
1.10 Utility rate ≥95%
2 Blade
2.1 Blade material Glass fibre reinforced resin
2.2 Number of blades 3
2.3 Turning speed of rotor rpm 22.55
3 Gear box
3.1 Transmission ratio of gear box 67.4
3.2 Efficiency ≥96%
3.4 Model of lubricant Mobile SHC XMP 320
3.5 Lubricating type Forced lubrication by pressure
4 Generator
4.1 Type Asynchronous generator of single winding
4.2 Rated power kW 750
4.3 Rated voltage V 690
4.4 Rated frequency Hz 50
4.5 Rated velocity rpm 1520
4.6 Rated slip 1.3%
4.7 Power factor(cosφ) 0.99 (on rated power)
4.8 Insulation class F
4.9 Lubricating type and model of lubricating grease Periodically infuse the lubricating grease Mobilith SHC 100
5 Brake system
5.1 Main brake system 3 tips pneumatic brake
5.2 Second brake system 2 mechanical brakes of high speed axis
5.3 Protection of brake Hydraulic pressure release/pressure loss brake
5.4 Model of hydraulic oil Shell Tellus 46
6 Yawing system
6.1 Model/design Motor drive/four-class planet deceleration
6.2 Control Computer
6.3 Yawing bearing type Four points contact the ball bearing (zero clearance)
6.4 Lubricating type and model of lubricating grease Periodically infuse the lubricating grease Mobilith SHC 460
6.5 Speed of yawing Degree/ second
6.6 Model of anemograph 0—20mA auxiliary heater
6.7 Mark of wind direction 24VDC auxiliary heater
7 Controlling system
7.1 Main controller MITA
7.2 Rated voltage V 690
7.3 Rated frequency Hz 50
7.4 Parallel network setting/Type Controllable silicon
7.5 Compensation capacity
7.5.1 Rated capacity kVAr 28
7.5.2 Units 8
7.5.3 Power factor of rated output 0.99
8 Thunder-proof protection
8.1 Thunder-proof designing standard In accordance with IEC1024-I,
design accords with GL
8.2 Thunder-proof device By tip
8.3 Grounding resistance of fan Ω ≤4
9 Tower structure
9.1 Type 3 steel cones (ladder and protection against falling off are set inside)
9.2 Height Meters 49 (central height of hub50)
9.3 Surface preservation Surface painting (exterior surface≥240μm, internal surface≥170μm)
10 Base Design according to the geologic prospecting report of fan
11 Weight
11.1 Engine room (excluding rotor) Ton 22.7
11.2 Generator Ton 4.4
11.3 Gear box Ton 5.7
11.4 Blade Ton 9.15
11.5 Rotor (including blades) Ton 14
11.6 Tower structure (50 meters) Ton 53.7
Jiangsu Nantong gods Limited in the manufacture of wind generators ships in the Yellow Sea coast, 40 kilometers away from Nantong City, east of the beautiful and rich foreign mouth Hong Kong, though the Yangtze River in the South West to the new long railway, 30 km distance from the airport and Nantong. Surface transport is very convenient.
Rudong, Jiangsu Province Nantong companies high-tech enterprises, mainly engaged in wind power technologies and products rely research, development, production and marketing of high-tech industries, advanced production equipment and professional testing facilities. Sold Inner Mongolia, Xinjiang, Heilongjiang, Hainan, more than 10 provinces, throughout the country, sell to distant places Myanmar, Chile, Malaysia, Korea, Argentina, and other African countries, are users welcome.
