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In order to explore the fatigue performance of the wind turbine foundation with embedded ring when the blade mass is imbalanced, the additional load is derived by reconstructing the blade mass imbalance model of the wind turbine, a singlepoint simulation of the pulsating wind velocity spectrum is done based on the harmonic synthesis method theory to calculate the basic operating load such as the aerodynamic load of the wind turbine, the finite element model of the wind turbine bladetowerfoundation integration is established with the actual engineering as an example, and the structural selfresonance characteristics and the load response under the combined action of the basic operating load and the additional load are calculated. The results show that the deepening of the imbalanced quality of the wind turbine blades will lead to the intensification of the stress concentration phenomenon and the increase of the stress amplitude of the basic structure, which in turn will affect the fatigue performance and fatigue life of the structure. and the force characteristics of the concrete in the structure will be greatly affected, followed by the steel cage, and the foundation embeddedring is the smallest.
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为探究基础环式风机基础在叶片质量不平衡时的疲劳性能,文章通过重构风力发电机组叶片质量不平衡模型推导了附加载荷,基于谐波合成法理论对脉动风速谱做单点模拟以计算风电机组气动荷载等基本运行载荷,并以实际工程为例建立了风机叶片——塔筒——基础一体化有限元模型,计算了结构自振特性和基本运行载荷与附加载荷共同作用下的载荷响应。结果表明:风机叶片质量不平衡程度加深会导致基础结构的应力集中现象,加剧应力幅增加,进而影响结构的疲劳性能与寿命;结构中混凝土的受力特性受影响较大,钢筋笼次之,基础环最小。
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, authorsList=张惠平, 刘哲锋, 李鹏飞)}, authors=[Author(id=1154430719184069156, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=zhp991111@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1154430719242789413, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, authorId=1154430719184069156, language=EN, stringName=Huiping Zhang, firstName=Huiping, middleName=null, lastName=Zhang, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=null, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1154430719322481190, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, authorId=1154430719184069156, language=CN, stringName=张惠平, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=null, bio={"content":"
张惠平(1999-),女,硕士,研究方向为风力发电机叶片与基础的监测。E-mail: zhp991111@163.com。
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张惠平(1999-),女,硕士,研究方向为风力发电机叶片与基础的监测。E-mail: zhp991111@163.com。
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Lausanne:International Federation for StructuralStructural Concrete, Model Code 2010: First Complete Draft Volume 2(2010)[S]., articleTitle=null, refAbstract=null)], funds=[Fund(id=1154430723088966231, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, awardId=2019QJCZ06, language=CN, fundingSource=长沙理工大学研究生科研创新项目(2019QJCZ06), fundOrder=null, country=null), Fund(id=1154430723147686488, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, awardId=CX2019SS09, language=CN, fundingSource=长沙理工大学研究生科研创新项目(CX2019SS09), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1154430719095988768, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, xref=1, ext=[AuthorCompanyExt(id=1154430719112765985, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, companyId=1154430719095988768, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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Wind turbine blade mass imbalance model, figureFileSmall=6ybETZv3qP4LSsA5BZOwDg==, figureFileBig=ia23P/s9itRwh8BUif6DYg==, tableContent=null), ArticleFig(id=1154430721142809144, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, language=CN, label=图 1, caption=
风机叶片质量不平衡模型, figureFileSmall=6ybETZv3qP4LSsA5BZOwDg==, figureFileBig=ia23P/s9itRwh8BUif6DYg==, tableContent=null), ArticleFig(id=1154430721201529401, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, language=EN, label=Fig. 2, caption=
Schematic diagram of the wind turbine tower force, figureFileSmall=5l7Br0wPWsa/wh4UkXsD7A==, figureFileBig=/u5P4xOu41gTaxW++vQYsw==, tableContent=null), ArticleFig(id=1154430721277026874, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, language=CN, label=图 2, caption=
风机塔筒受力示意图, figureFileSmall=5l7Br0wPWsa/wh4UkXsD7A==, figureFileBig=/u5P4xOu41gTaxW++vQYsw==, tableContent=null), ArticleFig(id=1154430721327358523, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, language=EN, label=Fig. 3, caption=
Simulates the pulsating wind speed time course curve at an altitude of ${80}\mathrm{\;m}$, figureFileSmall=dPZgqR/5qHOT/VpKGCEqWw==, figureFileBig=VDx/KQW3Nn2NaAOs6HcV8g==, tableContent=null), ArticleFig(id=1154430721377690172, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, language=CN, label=图 3, caption=
80m 高度处模拟脉动风速时程, figureFileSmall=dPZgqR/5qHOT/VpKGCEqWw==, figureFileBig=VDx/KQW3Nn2NaAOs6HcV8g==, tableContent=null), ArticleFig(id=1154430721432216125, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, language=EN, label=Fig. 4, caption=
Pulsating wind power spectral density, figureFileSmall=qVQvoRFibXnXPJLSdXfSiA==, figureFileBig=br+klg/uxPZIjn0eTcr7Zw==, tableContent=null), ArticleFig(id=1154430721486742078, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, language=CN, label=图 4, caption=
脉动风功率谱密度, figureFileSmall=qVQvoRFibXnXPJLSdXfSiA==, figureFileBig=br+klg/uxPZIjn0eTcr7Zw==, tableContent=null), ArticleFig(id=1154430721524490815, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, language=EN, label=Fig. 5, caption=
Schematic view of the base dimensions of a wind turbine, figureFileSmall=9BmfrJeyqMn/+rqFXcBWUw==, figureFileBig=ftQEp5kRS4DtF6YGqscPzw==, tableContent=null), ArticleFig(id=1154430721583211072, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, language=CN, label=图 5, caption=
风机基础尺寸示意图, figureFileSmall=9BmfrJeyqMn/+rqFXcBWUw==, figureFileBig=ftQEp5kRS4DtF6YGqscPzw==, tableContent=null), ArticleFig(id=1154430721646125633, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, language=EN, label=Fig. 6, caption=
The first four-order mode of the structure, figureFileSmall=M86Uo1nj6eMBk77dmG0cCQ==, figureFileBig=1OKcVMFxjv1wCWpSX9sABw==, tableContent=null), ArticleFig(id=1154430721704845890, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, language=CN, label=图 6, caption=
结构前四阶振型, figureFileSmall=M86Uo1nj6eMBk77dmG0cCQ==, figureFileBig=1OKcVMFxjv1wCWpSX9sABw==, tableContent=null), ArticleFig(id=1154430721763566147, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, language=EN, label=Fig. 7, caption=
Zoning diagram of a digital displacement sensor, figureFileSmall=e1FXX5q6Mg32XkZhE1QrzQ==, figureFileBig=gWanMNu7fTJJpszZ9YFP+Q==, tableContent=null), ArticleFig(id=1154430721901978180, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, language=CN, label=图 7, caption=
数字位移传感器分区图, figureFileSmall=e1FXX5q6Mg32XkZhE1QrzQ==, figureFileBig=gWanMNu7fTJJpszZ9YFP+Q==, tableContent=null), ArticleFig(id=1154430721964892741, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, language=EN, label=Fig. 8, caption=
Time history curve of measured vibration data from the displacement sensor, figureFileSmall=nMoK4KbNWeUP1coM/3WC/A==, figureFileBig=HwcnBG0+ZBJdszUSeFiJdQ==, tableContent=null), ArticleFig(id=1154430722019418694, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, language=CN, label=图 8, caption=
位移传感器实测振动数据时程曲线, figureFileSmall=nMoK4KbNWeUP1coM/3WC/A==, figureFileBig=HwcnBG0+ZBJdszUSeFiJdQ==, tableContent=null), ArticleFig(id=1154430722078138951, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, language=EN, label=Fig. 9, caption=
Power spectrum, figureFileSmall=TeHhNHJbRwnE7eqj3l/YEQ==, figureFileBig=b988Vj2iWVgHEq7B9VdUsA==, tableContent=null), ArticleFig(id=1154430722141053512, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, language=CN, label=图 9, caption=
功率谱, figureFileSmall=TeHhNHJbRwnE7eqj3l/YEQ==, figureFileBig=b988Vj2iWVgHEq7B9VdUsA==, tableContent=null), ArticleFig(id=1154430722208162377, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, language=EN, label=Fig. 10, caption=
Tensile stress response diagram of foundation concrete, figureFileSmall=7olpN8keP6Z/z7JotyvD/Q==, figureFileBig=W771xj+UhBiAsWC4IfmL+g==, tableContent=null), ArticleFig(id=1154430722262688330, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, language=CN, label=图 10, caption=
基础混凝土拉应力响应, figureFileSmall=7olpN8keP6Z/z7JotyvD/Q==, figureFileBig=W771xj+UhBiAsWC4IfmL+g==, tableContent=null), ArticleFig(id=1154430722313019979, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, language=EN, label=Fig. 11, caption=
Compressive stress response diagram of foundation concrete, figureFileSmall=Ch/K92YiOfrMnBOfm6CnPw==, figureFileBig=cLVrXw7mw+4zqvZDFvLWIQ==, tableContent=null), ArticleFig(id=1154430722363351628, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, language=CN, label=图 11, caption=
基础混凝土压应力响应, figureFileSmall=Ch/K92YiOfrMnBOfm6CnPw==, figureFileBig=cLVrXw7mw+4zqvZDFvLWIQ==, tableContent=null), ArticleFig(id=1154430722413683277, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, language=EN, label=Fig. 12, caption=
Fatigue life diagram of concrete, figureFileSmall=JciZrn7ADOZjQBlS/+kZdg==, figureFileBig=EXg3KtRxXPPQeFj19DBmRw==, tableContent=null), ArticleFig(id=1154430722489180750, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, language=CN, label=图 12, caption=
混凝土疲劳寿命, figureFileSmall=JciZrn7ADOZjQBlS/+kZdg==, figureFileBig=EXg3KtRxXPPQeFj19DBmRw==, tableContent=null), ArticleFig(id=1154430722581455439, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, language=EN, label=Fig. 13, caption=
Reinforcement cage fatigue check, figureFileSmall=RgEC9nnDfbRm3Maa/xPkjA==, figureFileBig=7EHwYBdY9KgZqvopnIOb1A==, tableContent=null), ArticleFig(id=1154430722640175696, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, language=CN, label=图 13, caption=
钢筋笼疲劳验算, figureFileSmall=RgEC9nnDfbRm3Maa/xPkjA==, figureFileBig=7EHwYBdY9KgZqvopnIOb1A==, tableContent=null), ArticleFig(id=1154430722690507345, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, language=EN, label=Fig. 14, caption=
Foundation pipe fatigue check, figureFileSmall=DWcSjha3hziFFc68eUwC+g==, figureFileBig=E7SeD0EICWHpRWuGMb20/g==, tableContent=null), ArticleFig(id=1154430722736644690, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, language=CN, label=图 14, caption=
基础环疲劳验算, figureFileSmall=DWcSjha3hziFFc68eUwC+g==, figureFileBig=E7SeD0EICWHpRWuGMb20/g==, tableContent=null), ArticleFig(id=1154430722786976339, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, language=EN, label=Table 1, caption=
Technical data sheet for ${2.0}\mathrm{{MW}}$ wind turbine units, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 | 参数 | 数值 |
| 额定功率/MW | 2.0 | 切入风速 $/\mathrm{m} \cdot {\mathrm{s}}^{-1}$ | 3.0 |
| 设计寿命/a | 20 | 额定风速 $/\mathrm{m} \cdot {\mathrm{s}}^{-1}$ | 10.5 |
| 轮毂高度/m | 80 | 切出风速 $/\mathrm{m} \cdot {\mathrm{s}}^{-1}$ | 25.0 |
| 叶片半径/m | 46.5 | 塔筒顶段质量/t | 37.9 |
| 叶片质量/t | 48.4 | 塔筒中段质量/t | 54.1 |
| 机舱质量/t | 18.5 | 塔筒底段质量/t | 62.9 |
| 电机质量/t | 65.9 | 额定轮毂转速/ $\mathrm{r} \cdot {\mathrm{{min}}}^{-1}$ | 16.83 |
), ArticleFig(id=1154430722841502292, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, language=CN, label=表 1, caption=
2.0 MW 风机机组技术参数, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 | 参数 | 数值 |
| 额定功率/MW | 2.0 | 切入风速 $/\mathrm{m} \cdot {\mathrm{s}}^{-1}$ | 3.0 |
| 设计寿命/a | 20 | 额定风速 $/\mathrm{m} \cdot {\mathrm{s}}^{-1}$ | 10.5 |
| 轮毂高度/m | 80 | 切出风速 $/\mathrm{m} \cdot {\mathrm{s}}^{-1}$ | 25.0 |
| 叶片半径/m | 46.5 | 塔筒顶段质量/t | 37.9 |
| 叶片质量/t | 48.4 | 塔筒中段质量/t | 54.1 |
| 机舱质量/t | 18.5 | 塔筒底段质量/t | 62.9 |
| 电机质量/t | 65.9 | 额定轮毂转速/ $\mathrm{r} \cdot {\mathrm{{min}}}^{-1}$ | 16.83 |
), ArticleFig(id=1154430722904416853, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, language=EN, label=Table 2, caption=
Material parameters, figureFileSmall=null, figureFileBig=null, tableContent=
| 材料 | 弹性模量 | 密度 | 泊松比 | 抗压强度 标准值/MPa | 抗拉强度 标准值/MPa |
| 叶轮、机舱 | $2 \times {10}^{11}$ | 193 | 0.3 | - | - |
| Q345 结构钢 | $2 \times {10}^{11}$ | 7 800 | 0.3 | 345 | 345 |
| C40 混凝土 | ${3.25} \times {10}^{10}$ | 2500 | 0.2 | 26.8 | 2.39 |
), ArticleFig(id=1154430722958942806, tenantId=1146029695717560320, journalId=1146119893612605453, articleId=1154430658752537342, language=CN, label=表 2, caption=
材料参数, figureFileSmall=null, figureFileBig=null, tableContent=
| 材料 | 弹性模量 | 密度 | 泊松比 | 抗压强度 标准值/MPa | 抗拉强度 标准值/MPa |
| 叶轮、机舱 | $2 \times {10}^{11}$ | 193 | 0.3 | - | - |
| Q345 结构钢 | $2 \times {10}^{11}$ | 7 800 | 0.3 | 345 | 345 |
| C40 混凝土 | ${3.25} \times {10}^{10}$ | 2500 | 0.2 | 26.8 | 2.39 |
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