... produce vertical axis and horizontal axis wind turbine including 300w, 500w, 1kw, 2kw, 3kw, 5kw,10kw. The technique of other models is ... under developing. Spectification of the wind turbine:)low speed direct drive ... control systemcharger control, inverterbattery reference for off grid12V100ah,18 pcs wind turbine 5kw on grid system