The P19-50kW-VSVP Wind Turbine from Polaris offers innovation through a completely new Permanent Magnet Direct Drive generator, with its variable speed and Variable Pitch blades system the innovative design offered by Polaris has half the parts of a conventional geared Turbine. Allowing for simplified maintenance and extreme reliability and thus increase in efficiency. Click on the thumbnail to the right to view the Power Curve chart
Download Annual Energy Production Chart
Specification Chart
Parameter | Value | Unit of Measurement |
---|---|---|
Rated Power | 50.0 | kW |
Rotor Diameter | 19.2(63.1) | m (ft) |
Rated Wind Speed | 9.5 (21.3) | m/s (mph) |
Cut-In Speed | 2.7 (6.0) | m/s (mph) |
Cut-Out Speed | 25 (55.9) | m/s (mph) |
Survival Speed | 59 (132) | m/s (mph) |
Operational RPM | 68 | rpm |
Weight | 6,443(14,200) | Kg (lb) |
Std. Operating Temp. | -25 to 50 (-13to122) | °C (°F) |
General Specifications – General Turbine Design Features
General Configuration | Description |
---|---|
Type | Horizontal Axis, Upwind |
Design Class | IEC Class II (air density 1.225 kg/m3, average annual wind below 8.5m/s, 50-yr peak gust below 59.5m/s) |
Design Life | 20 Years |
Drive Train | Description |
Generator Type | Permanent Magnet (PM) |
Type | Direct Drive |
Speed Regulation | Description |
Generator/Blades | Torque Control from Drive/Variable Pitch |
Yaw System | Description |
Active Yaw | Active, Electromechanically driven with the wind direction / speed sensors and automatic cable unwind |
Control/Electrical | Description |
Mounting | Off Nacelle / Mounted, wired, tested and programmed in NEMA rated 3R enclosure |
Compliant | UL 1741, IEEE 1547 |
Power Converter | VFD (Variable Frequency Drives) |
Braking Systems | Description |
Emergency Back Up Speed Regulation | Regenative Brake |
Loss of Grid Power / DC Buss Overvoltage | Dynamic Resistive Brake |
Emergency Shutdown / Parking | Redundant Magnetic Failsafe Brake |
Tower | Description |
Mono Pole / Tubular | Sectional / Flanged21M, 30M, 36M, 50M |
Environmental Standards | Description |
Temperature Range | -25°C to 50°C (-13°F to 122°F) – Standard |