基于双惯容调谐质量系统的半潜式海上风力机振动控制
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曾伟杰, 张颖, 邓燕飞, 郭川睿, 任伟新
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Vibration Control of Semi-Submersible Offshore Wind Turbines Using Inerter-Based Absorbers
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ZENG Weijie, ZHANG Ying, DENG Yanfei, GUO Chuanrui, REN Weixin
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表8 极端工况(工况5)分析
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Tab.8 Analysis of extreme conditions (Case 5)
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| 分析类型 | 参数 | 无TMD/IBA | 2TMD (抑制率) | 2IBA (抑制率) | | 时域分析 | 塔顶前后变形位移最大值/m | 0.596 9 | 0.610 3 | (-2.24%) | 0.594 1 | (0.47%) | | 塔顶侧向变形位移最大值/m | 0.294 8 | 0.245 8 | (16.62%) | 0.235 3 | (20.18%) | | 塔底前后弯矩最大值/(kN·m) | 114 155 | 115 743 | (-1.39%) | 113 147 | (0.88%) | | 塔底侧向弯矩最大值/(kN·m) | 53 660 | 43 394 | (19.13%) | 41 439 | (22.77%) | 频域分析
(0.4~0.6 Hz) | 塔顶前后变形位移功率谱密度/(dB·Hz-1) | 0.053 62 | 0.010 96 | (79.56%) | 0.009 112 | (83.01%) | | 塔顶侧向变形位移功率谱密度/(dB·Hz-1) | 0.059 61 | 0.014 33 | (75.96%) | 0.011 73 | (80.32%) | | 塔底前后弯矩功率谱密度/(dB·Hz-1) | 1.798×109 | 3.766×108 | (79.05%) | 3.081×108 | (82.86%) | | 塔底侧向弯矩功率谱密度/(dB·Hz-1) | 2.043×109 | 4.897×108 | (76.03%) | 4.028×108 | (80.28%) |
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