| 摘要 |
<p>The generator has an impeller on an axis which may be slightly inclined to the horizontal. Each blade has a flap at its outer end which pivots relatively to the blade. It is linked by a crankshaft to a motor inside the main part of the blade which is excited at the frequency corresponding to the angular speed of the blade. The resulting oscillation of the flaps produces a moment about the vertical axis. This rotates the impeller to turn it into the wind, reduces unbalanced moments on the tower, and turns the impeller out of the wind at high wind speeds.</p> |
