柔性光伏支架风振响应及地锚索的抑制效果试验研究

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关键词：柔性光伏支架；气弹模型试验；位移响应；索力响应；抑振措施 中图分类号：TU311.3；TK519 文献标志码：A DOI：10.16385/j.cnki.issn.1004-4523.202311011

Experimental investigation of wind induced vibrations on flexible cable supported photovoltaic and suppression effect of anchor cables

MA Wenyong1，²，CHEN Wenkao¹， ZHANG Zhenkai1，TAN Yongjie³，CHEN jian³ （1.School of Civil Engineering，Shijiazhuang Tiedao University， Shijiazhuang O5Oo43，China; 2.Inovation CenterforWindEnginering and Wind Energy TechnologyofHebei Province，Shijiazhuang O50043，China; 3.Power China Hebei Electric Power Engineering Co.，Ltd.，Shijiazhuang O5OO31，China）

Abstract：Flexiblecablesupportedphotovoltaicarepronetobesignificantwindinducedvibrations，whichcanleadtovariousstruc turalsafetyandusabilityisses.Currently，thelwofindinducedvibrationsisotcearndtherearenocorrspondingvration suppresion measures.Thisstudyconducted windtunnel testsonthefullaeroelastic modelofflexiblecablesupportedphotovoltaic. Itsynchronouslymeasuredthedisplacementandcableforceofsingle-lyerflexiblecablesupportedphotovoltaic，analyzedtheeffectsofwindspeed，incinationanglendwinddectionangleosplacementandablefoc，propoedoespondingation supressionmeasures，andverified theirvibrationsuppressionefectthrough experiments.Theresultsshowthattheflexiblecable supported photovoltaic undergoes verticalandtorsionalcoupled vibrationunderstrong wind.The maximum displacementresponse occurs at wind suction and the maximum of cable force occurs under wind pressure.Therefore，wind suctionis an unfavorable workingconditionfordesigningthejoints.Meanwhile，windpresureisanunfavorableworkingconditionfordesigningcolumns andbases.Theanchorcablehasasignificant mitigationefectontheverticalandtorsionaldisplacementatwindsuction.Thelarger ofthtiltangleis，thebetermitigationefects.Forthecablendforce，theanchorcablecanfectivelyeducethefluctuationofca ble force.The larger the tilt angle is，the more effective the cable force reduction.

Keywords：flexiblephotovoltaicbracket;aeroelasticmodeltest;displacementresponse;cableforceresponse;vibrationmitigatior measures

随着中国“双碳”目标的提出，光伏电站的建设加速[1]。（剩余10587字）