Detailed Product Description wind energy generator 1.CE proved+7patents 2.high efficiency+small size 3.NO MOQ+wholesale price 4.professional factory    wind energy generator  Hummer 3000W wind energy generator is one of the most advanced generators in the world. Made of refined permanent magnetic material , special copper alloy , aviation aluminum alloy and stainless steel , it is highly efficient in power .Due to the small size , it is able to be placed inside the nose cone .    This unique and patented design means less air resistance and better heat spread.That is to say lower start-up wind speed (2.5m/s) and better working condition for the generator .Lower start up wind speed is particularly imporatant for small wind turbines .It means more energy grasped from the wind .     Though larger in size and weight , compared with smaller Hummer turbines , 3kw wind generator's efficiency is still kept over 0.8 .     And to ensure longer lifespan and better performance , 3kw wind energy generator adpots S.K.F bearings .All nuts and blots are made of stainless steel .     Furthermore , inside the generator we placed a temperature detector .If the temperature rises over alert level , it will stop working automatically .