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The Kestrel e400n micro wind turbine is rated at 3.5kW.
Electricity produced by the turbine is processed by an electronic inverter and fed into the grid. The electricity supply is preferentially wind power and any shortfall during peak demand is supplied by the grid. The end user's energy bill is therefore reduced by the amount of wind energy harvested.
This wind turbine comes standard with Kestrel’s patented pitch control. The blade pitch angle is adjusted automatically in high wind speeds, thereby ensuring maximum power output while reducing the thrust force on the turbine.
The Kestrel e400n is rated at 3.5kW and, being a high-quality machine, has a mass of 250kg with a blade rotor diameter of 4m. It has an electrical brake, which needs to be switched on manually.
| Note: Performance may vary with | Battery Charging | Grid Tied | |
| Site Conditions and Weather Pattern | Manufacturers Data | MCS/BWEA Reference | SWCC /AWEA Rating |
| Maximum Power | 3500W (Peak turbine) | 2990W | - |
| Rated Power @ 11m/s (24.6mph) | 2500 (At battery) | 2550W | 2.5kW |
| Rated Annual Energy | 4000 | 3922kWh | 3930kWh |
| Rated sound Level | 56dB(A) | Lp,60m: 57dB(A) | 55.6dB(A) |
| Cut-in Wind Speed | <span"></span">3.25m/s | 3.25m/s | 3.25m/s |
| Generator Type | Permanent-magnet | Permanent-magnet | Permanent-magnet |
| Overspeed Protection | Pitch Control | Pitch Control | Pitch Control |
| Rotor Diameter | 4m (13.1ft) | 4m (13.1ft) | 4m (13.1ft) |
| Number of blades | 3 | 3 | 3 |
| Blade Material | Epoxy Resin Fibreglass | Epoxy Resin Fibreglass | Epoxy Resin Fibreglass |
| Tower Top Mass | 250kg (551lb) | 250kg (551lb) | 250kg (551lb) |
| Tower Height | 12-18m (39-59ft) | 12-18m (39-59ft) | 12-18m (39-59ft) |
| Tower Type | Monopole | Monopole | Monopole |
| Output Voltage (Turbine) | 48Vdc or 110Vdc * | 250Vdc | 250Vdc |
| Controller Type | Midnite Solar | Power One Aurora | Power One Aurora |
| *Voltage limiter required for 110Vdc | Classic 200 | PVI-3.6-TL-OUTD-W | PVI-3.6-OUTD-US-W |
| Output Voltage (System) | 24/48/60Vdc | 230Vac 50Hz | 240V 60Hz |