Research Article
Vibration Characteristics of Roundabout Swing of HAWT Wind Wheel
Table 2
Dynamic frequencies of typical vibrations.
| | Category | | | | | | |
| | Experimental value (Hz) | 10 | 17.5 | 38 | 40.5 | 109 | 115.5 | | Calculated value (Hz) | 9.8 | 17.3 | 36.7 | 42.2 | 107.4 | 119.7 | | Fractional error (%) | −2.0 | −1.1 | −3.4 | 4.2 | −1.5 | 3.6 |
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