为研究浮式风力机多平台阵列的动态响应特性,建立了基于OC3-Hywind Spar Buoy平台的NREL 5 MW浮式风力机整机模型,根据辐射/绕射理论方法分别研究并比较了单平台、1×5线性排布和3×3方阵排布的多平台动态响应特性.结果表明:浮式风力机Spar平台在纵荡、垂荡和纵摇方向的响应均集中在低频波浪阶段;1×5线性排布的多平台纵荡位移响应均低于单平台,共用系泊系统有效抑制了平台的纵荡位移响应,但是对垂荡位移、纵摇偏转角响应影响不大;3×3方阵排布位于两侧的平台存在较大的横荡位移响应,但纵荡位移响应均小于单平台,位于中间位置的平台纵荡位移响应大于单平台,但横荡位移响应几乎可以忽略不计;3×3方阵排布中心位置和顶点处的平台垂荡位移、纵摇偏转角响应小于单平台,其余平台垂荡位移、纵摇偏转角响应没有受到明显抑制.%To investigate the dynamic response of wind turbine platform matrix,models were established based on OC3-Hywind Spar Buoy platform for NREL 5 MW wind turbine,with which,a comparison was carried out on dynamic response characteristics of floating platforms respectively in single,1 × 5 linear and 3 × 3 square arrangement applying radiation and diffraction theory.Results show that the surge,heave and pitch response of Spar platform all appear in the range of low frequency waves;the 1 × 5 linearly arranged platforms have lower surge response than single platform,because the sharing mooring reduces the surge response,which does not have obvious effect on the heave and pitch response;in terms of 3 × 3 squarely arranged platforms,the platforms located on sides have higher swaying but smaller heave response than single platform,while the platforms in middle area have higher surging and negligible swaying response;in terms of 3 × 3 squarely arranged platforms,the heave and pitch response of platforms in middle area and at vertices are lower than single platform,and the response of rest platforms are not significantly suppressed.
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