Maurici
Maurici is the name of this wind machine I built (many) years ago. Life
is hard
at 150km/h wind speeds...
Technical specifications:
| 9m | |
| Rotor diameter | 2.5m |
| Number of blades | 3 aerodynamic, hand made |
| Aerodynamics |
|
| Starting wind speed | 4m/s = 15km/h |
| Optimal wind speed | 12m/s = 45km/h |
| Maximum wind speed | 20m/s = 70 km/h |
| Tip to wind speed ratio | 7 |
| Mechanics |
|
| Turn rate ratio | 4.4 |
| Main rotor speed | 600rpm |
| Generator speed | 2640rpm |
| Electromechanics |
|
| Electromechanical conversion | 24V Dynamo |
| Maximum mechanical power | 1200W |
| Maximum electrical power | 500W (it is limited...) |
| Electrical |
|
| Nominal output voltage | 12V |
| Output voltage span | 10V to 16V depending on battery voltage |
| Maximum output current | 30Adc |
| Control |
|
| Heading principle | Passive, tail driven |
| Mechanical protection | Automatic disorientation via uncentered axis from 15-20m/s (60-70 km/h) |
| Electrical protection | Electronic rotor current limiter that actuates on stator current |
| Electronically controlled brake resistance in parallel with the battery | |