Introduction to TFC2000 Wind Turbine – 2

  TFC2000(IEC Class IIA)  TFC2000(IEC Class IIIb)
  Main Data  
Nominal power  2000KW  2000KW
Cut-in wind speed  3.5m/s  3.5m/s
Rated wind speed  11.5m/s  11.0m/s
Cut-out wind speed  25.0m/s  20.0m/s
Restart wind speed after over wind  Below 25m/s for 5 min.  Below 20m/s for 5 min.
Survival wind speed(3 sec ave. ,50 years)  59.5m/s  50.0m/s
Hub height  70m/80m  90m
Rotor axis tilt angle  4.5°  4.5°
Rotor diameter  86m  93m
Swept area  5808m2  6793m2
Direction of rotation(looking downwind)  clockwise  clockwise
Rotor orientation  upwind  upwind
Rotor speed(at rated power)  16.7rpm  15.7rpm
Rotor speed range  6.7~19.2rpm  6.3~18.1rpm
Power control method  Blade pitching  Blade pitching
System life  20 years  20 years
Calculation guidelines  GL (edition 2003/2005)  GL (edition 2003/2005)
  Rotor Blades  
Type description  electrical  electrical
Drive system  1 servo motor +gearbox
+electrical brake per blade
1 servo motor +gearbox
+electrical brake per blade
Back-up system  Safety lock  Safety lock
Pitch angle range  0~90°  0~90°
Type of blade bearing  Double row ball bearing  Double row ball bearing
Pitch speed  0.1~9 degree/s  0.1~9 degree/s
  Yaw System  
Type of wind direction alignment  active  active
Type of yaw bearing  Sliding pads  Sliding pads
Drive units  Gear motor  Gear motor
Number of drive units 4 4
Brake  Friction in the sliding pads plus motor brake Friction in the sliding pads plus motor brake
  Braking System  
Operational brake  Individual blade pitching  Individual blade pitching
Aerodynamic braking  Pitch/full blade  Pitch/full blade
Type of construction  Gear/servo motor  Gear/servo motor
Activation  passive  passive
Mechanical brake  Disc brake  Disc brake
Number of calipers 1 1
  Generator and Power Converter System  
Generator type  PMSG  PMSG
Converter type  IGBT,4 Q , Full scale  IGBT,4 Q , Full scale
Rated power  2100kw  2100kw
Rated voltage  3-phase/690Vac/50,60hz  3-phase/690Vac/50,60hz
Power factor  0.9 leading/0.9 lagging  0.9 leading/0.9 lagging
Torque control  Field vector control  Field vector control
  Control System  
Type  PLC (Beckmann)  PLC (Beckmann)
Voltage  230Vac  230Vac
CMS  optional  optional
  Climate and Site Conditions  
Temperature range for operation   -15°C to 40°C(normal climate)
 -30oC t0 40°C(cold climate)
 -15°C to 40°C(normal climate)
 -30oC t0 40°C(cold climate)
Temperature range for structure  -20°C to 40°C(normal climate)
 -40oC t0 40°C(cold climate)
 -20°C to 40°C(normal climate)
 -40oC t0 40°C(cold climate)
  Drive Train  
 Rated drive torque  1,300kNm  1380kNm
Type of gearing  Two planetary stages/one parallel
shaft gear stage
Two planetary stages/one parallel
shaft gear stage
Transmission ratio  1 : 95.8  1 : 101.9
Gear lubrication  Forced lubrication  Forced lubrication
Oil capacity  660 liter  660 liter
Connection gear/generator  Flexible coupling  Flexible coupling
Gear house material  cast  cast
  Supporting Machine Parts (Main frame ,hub)  
Material(main frame and hub)  EN-GJS-400-18U-LT(normal)
EN-GJS-350-22U-LT(cold)
EN-GJS-400-18U-LT(normal)
EN-GJS-350-22U-LT(cold)
Corrosion protection Protective paint Protective paint Protective paint  Protective paint
  Rotor Blade  
Blade length  42m  45.3m
Blade root diameter  2.11m  2.11m
Max. chord length  3.5m  3.5m
Lightning protection  Aluminum receptor system  Aluminum receptor system
Material  Glass-Fiber Reinforced Epoxy  Glass-Fiber Reinforced Epoxy
  Nacelle Housing  
Type of construction  closed  closed
Material  Polyester resin/glass fiber  Polyester resin/glass fiber
  Tower  
Type of construction  Conical tubular steel tower  Conical tubular steel tower
Tower height  68m/78m total  88m total
Material  Welded steel plate  Welded steel plate
Corrosive protection  Protective paint  Protective paint
Operational parameters  Internal , safety hardness , ladder  Internal , safety hardness , ladder
Elevator  2 persons , max.250kg (option) 2 persons , max.250kg (option) 

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