3 m/s Permanent Magnet Generator Wind Turbine Variable Pitch Control
FD21-50 wind turbine designed by gear-less, PM direct drive and initiative variable pitch,
which make sure initiative variable pitch with strong wind, stability of output rate, of gaining
more power in case of low-speed wind, that technology has acquired patents from nationality.
Rated power:50kW
Intellectual mult-level protection
Full power inverter isolation
Certifications:SWCC,CEI 021,UL1741, IEEE1547, CSA C22.2 107.1-01, G59/2 , CE
Specifications
Model
| FD21-50 | |
| Design class | IECII |
| Orientation | Upwind |
| Design life | 20 years |
| Rotor diameter | 21.5 m(70.5ft) |
| Hub height | 43m(140ft)/37m(121ft)/31m (102ft)/25m (82ft) |
| Tower type | Monopole |
| Certifications | SWCC,CEI 021,UL1741, IEEE1547, CSA C22.2 107.1-01, G59/2 , CE |
| Performance | |
| Rated power | 50kW |
| Power regulation | Variable pitch control |
| Rated rotation speed | 50RPM |
| Cut-in wind Speed | 3m/s |
| Rated wind speed | 9m/s |
| Cut-out wind Speed | 25 m/s |
| Survival wind Speed | 59.5m/s |
| Weight | |
| Blades | 1140 kg |
| Nacelle& Generator | 8,000 kg |
| Tower | 18,500/15,000/13,000/8,600kg |
| Brake system | |
| Air Brake | Blades pitch |
| Mechanical brake | Main shaft brake |
| Electrical brake | Dump load |
| Yaw system | |
| Control | Driven by electric motor and actively trace wind direction and automatic untwist cable |
| Control /Inverter System | |
| Control type | Industry Siemens PLC |
| Inverter type | Full power Inverter with isolation transformer |
| Grid interface | AC480V/AC600V60Hz,AC400V50Hz |
| Monitoring System | cube2.0 |
| Generator | |
| Generator type | 3 Phase, Permanent Magnet Generator |
| Gearbox | No gearbox – Direct Drive |
| Rated Voltage | 400VAC |
| Isolation class | F |
| Blades | |
| Material | FRP |
| Blade length | 10.2 |
| Quantity | 3 |
| Tower | |
| Tower Type | Monopole with internal ladder |
| Surface treatment | Anti-rust painting |
| Height | 42(137ft)/36m (118ft)/ 30m (98ft)/ 24m (79ft) |
| Noise | |
| Noise level | Less than 60dBA |
| Environmental specification | |
| Operational temperature | -20 to 50 |
| Generator | IP54 |
| Lightening protection | Receptors installed in the blades, nacelle lighting rod and electrical surge protection |
