| 摘要 |
<p>A wind power electricity generating system (1) having a nacelle (3); a rotary assembly (16) rotating about an axis (A2) with respect to the nacelle (3); and an angular speed detection device (7; 23) having at least one sensor (18; 24) rotating about the axis (A2) together with the rotary assembly (16), and supplies at least one signal related to angular speed.</p> |
