LTW77 1.500 kW
LTW77 1.500 kW
Design Data
Altezza mozzo:
61,5 / 65 / 80 m
Potenza nominale:
1.500 kW
Tower:
Steel
Cut-in wind speed:
3 m/s
Cut-out wind speed:
25 m/s
Yaw control system:
Active, electrical
Wind Class:
IIA
Rotor
Number of blades:
3
Rotor diameter:
76,6 m
Swept area:
4.608 m²
Rotational speed:
17,8 rpm
Tip speed:
71 m/s
Blade material:
GFRP-UP
Power and rotor speed control:
Active pitch control
Generator
Type:
Permanent Magnet Direct Drive Synchronous Machine
Stator Winding:
Modular coils with tooth concentrated winding, exchangeable
Rotor Topology:
Modular Permanent Magnets with flux concentration, exchangeable
Speed Range:
Variable Low Speed Machine
Protection class:
IP55
Control & Safety System
Main brake:
Aerodynamic, indipendent pitch control
Service brake:
Electrical
Rotor lock:
Hydraulic
Remote control:
Leitwind SCADA
Power Electronic
Converter Type:
4Q full power - 3 phase IGBT
Converter rated voltage and frequency (grid-side):
690 V +/- 10%, 50-60 Hz +/- 5%
Converter power factor (grid-side):
0,95 ind - 1- 0,95 cap for reactive power compensation control, grid voltage control capability
Cooling:
Air cooled rotor, air cooled stator
Power quality and Grid codes:
High quality output power in accordance with major grid code requirements. Integration into various grid systems worldwide. In compliance with:
- Grid codes CEI 0-16, Terna, e-on (incl. LVRT), other
- Power quality measurements according to IEC 61400-21
Emission Limits IEC 61800-3
- Grid codes CEI 0-16, Terna, e-on (incl. LVRT), other
- Power quality measurements according to IEC 61400-21
Emission Limits IEC 61800-3
Arrangement:
Multiple converter
Power curve
Wind speed (m/s)
Electrical power(kW)
| (m/s) | LTW77 1.500 |
|---|---|
| 3 | 24 |
| 4 | 67 |
| 5 | 147 |
| 6 | 264 |
| 7 | 424 |
| 8 | 605 |
| 9 | 823 |
| 10 | 1.062 |
| 11 | 1.294 |
| 12 | 1.420 |
| 13 | 1.467 |
| 14 | 1.488 |
| 15 | 1.500 |
| 16 | 1.500 |
| 17 | 1.500 |
| 18-25 | 1.500 |