A WINDMILL DEVICE OF A VERTICAL SHAFT TYPE WIND POWER GENERATION SYSTEM AND A METHOD FOR CONTROLLING WINDMILL BLADES THEREOF

摘要

A windmill device of a vertical shaft type wind power generation system and a method for controlling windmill blades thereof are provided. The windmill device includes a vertical shaft (2, 9, 30), vertical blades (3, 11, 22) that are connected to the vertical shaft (2, 9, 30) by blade supporting frames (10, 31) so as to rotate around the axis of the vertical shaft (2, 9, 30), and the vertical blades (3, 11, 22) include blade rotation shafts (4, 14, 21) and can rotate around the axis of the blade rotation shafts (4, 14, 21), and a guide device (15, 16, 25) that makes the vertical blades (3, 11, 22) rotate around the axis of the blade rotation shafts (4, 14, 21) while rotating around the axis of the vertical shaft (2, 9, 30). It makes the effective wind receiving area of the vertical blades (3, 11, 22) in tailwind direction greater than that in upwind direction so as to increase the generating efficiency.