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            | Item | 3000W |  
            | blade diameter | 4.5m |  
            | material of the blades |   Fiberglass-Reinforced Plastic |  
            | rated rotor speed | 240r/min |  
            | rated speed | 9m/s |  
            | rated Power | 3000W |  
            | max Power | 4000w |  
            | Max start torque N/M | <1.0 |  
            | output voltage | 120V |  
            | start up wind speed | 3(m/s)  |  
            | work speed | 3-25(m/s) |  
            | security wind speed |  50(m/s) |  
            | height of guy cable tower | 9(m) |  
            | generator type | 3-phase AC PM |  
            | top quality except tower | 120kg |  
            | Suggest batteries |     10pcs 12v200ah |  
            | Service life |   >15 years |  
            | output controller system | Controller, inverter |  
            | Mated solar panel | 120v600w--1300w |  
            | Class of insulation | B |  
            | Material of enclosure | 20# seamless tube |  
            | Material of magnet steel | neodymium-iron-boron 38sh |  
            | Material of stator | QZY-2/180/470 |  
            | Corrosion prevention | Zinc coated、painting |  
            | Blades shape | 3 FRP blades |  
            | Over speed protection | Yaw automatically, electromagnetism protection |  |