Specifications 1 Yawing technology 2 Brake by hand drag 3 Maintenance free 4 Best system matching 5 Rich experence in projects' operating Product Characteristics Particular yawing designing 1. Optimum aerodynamic shape design: High efficiency, low noise. 2. Direct drive permanent magnet generator, low startup resistance moment, constant running ability of over loading 1.5 times, maintenance free for more than 30000 hour. 3. Sealed slip ring, no cable twist; Carbon brush and slip ring clean; Good conductivity of electricity. 4. Streamline design, and good appearance 5. Long acting anticorrosive treats, no corrosion in 15years. Application: Off-grid System For example, streetlight, home, island, signal tower, forest fireproof monitor and other related small equipment power supply. Main technical performances Rotor Diameter (m) 2.8 Material and number of the blades Reinforced fibber glass*3 Rated power/maximum power 1000/1500 Rated wind speed (m/s) 10 Startup wind speed (m/s) 3 Working wind speed (m/s) 3--25 Survived wind speed 40 Rated rotate speed(r/min) 450 Working voltage DC24V---- /DC300V Generator style Three phase, permanent magnet Charging method Constant voltage current saving Speed regulation method Tail turning and electric magnet Stop method Brake by hand drag Tower height (m) 6 Weight (kg)(not including batteries And inverter power supplier ) 75 Life time 10-15years