... maintenance free design. No problematic furling.Fully automatic with blade aerodynamic braking and controller electromagnetic braking.High ... hybrid power system, hybrid lamp, hybrid road lamp, grid tie inverter, home power system, LED light, solar street light, ... , 3000kw wind generator, 3kw wind generator, 3000w grid inverting wind turbine, 3kw grid tie wind turbine ) 1kw grid tied wind turbine