OPTIMIZATION SIMULATION AND ERROR CONTROL ANALYSIS OF INTEGRAL LIFTING FOR FLOATING PHOTOVOLTAIC SUPPORT STRUCTURES

Yan Xiangyu; Yu Shaoxuan; Liu Yingzhou; Gao Xifeng; Yao Ye; Lian Jijian

doi:10.19912/j.0254-0096.tynxb.2025-0155

PDF(3083 KB)

Acta Energiae Solaris Sinica ›› 2026, Vol. 47 ›› Issue (6) : 717-726. DOI: 10.19912/j.0254-0096.tynxb.2025-0155

OPTIMIZATION SIMULATION AND ERROR CONTROL ANALYSIS OF INTEGRAL LIFTING FOR FLOATING PHOTOVOLTAIC SUPPORT STRUCTURES

Yan Xiangyu^1,2, Yu Shaoxuan¹, Liu Yingzhou¹, Gao Xifeng^1,3, Yao Ye^1,3, Lian Jijian^1,2

Author information +

History +

Abstract

This paper investigates the integral lifting and launching technology for a new type of offshore floating photovoltaic （FPV） modular support structure. Based on the finite element software ANSYS, numerical simulations of the entire lifting and launching process of the support structure into the water were conducted. Through comparative analysis, an optimized selection scheme for the bottom components of the modular support structure was determined. The construction processes of two-point lifting, three-point lifting, and four-point lifting were analyzed and compared to identify the optimal lifting point arrangement for the modular support structure. The influence of errors, such as the position of lifting lugs and the length of lifting cables, on the internal forces and deformations during the lifting process of the modular support structure was emphatically analyzed, and corresponding error control indices were proposed. The analysis results indicate that the four-point lifting condition with lifting points at the trisection points of the long sides is optimal. When the position error of the lifting lugs exceeds 10 mm, the uneven difference in the internal forces of the lifting cables exceeds 57%, suggesting that the position error of the lifting lugs should be controlled within ±5 mm. When the length error of the lifting cables exceeds 67.5 mm, the overall structural deformation reaches 77 mm, and the vertical deformation difference of the structure exceeds 35 mm, recommending that the length error of the lifting cables be controlled within 67.5 mm.

Key words

offshore floating structure / error analysis / numerical simulation / integral lifting / composite support structure / construction stage analysis

Cite this article

EndNote

Ris (Procite)

Bibtex

Download Citations

Yan Xiangyu, Yu Shaoxuan, Liu Yingzhou, Gao Xifeng, Yao Ye, Lian Jijian. OPTIMIZATION SIMULATION AND ERROR CONTROL ANALYSIS OF INTEGRAL LIFTING FOR FLOATING PHOTOVOLTAIC SUPPORT STRUCTURES[J]. Acta Energiae Solaris Sinica. 2026, 47(6): 717-726 https://doi.org/10.19912/j.0254-0096.tynxb.2025-0155

References

[1] CAZZANIGA R, CICU M, ROSA-CLOT M, et al.Floating photovoltaic plants: performance analysis and design solutions[J]. Renewable and sustainable energy reviews, 2018, 81: 1730-1741.
[2] TANG Y C, CHEN X, HUANG G Z, et al.Dynamic analysis of multi-module floating photovoltaic platforms with composite mooring system by considering tidal variation and platform configuration[J]. Ocean engineering, 2024, 312: 119243.
[3] XIONG L C, LE C H, ZHANG P Y, et al.Hydrodynamic characteristics of floating photovoltaic systems based on membrane structures in maritime environment[J]. Ocean engineering, 2025, 315: 119827.
[4] 耿宝磊, 唐旭, 金瑞佳. 海上浮式光伏结构及其水动力问题研究展望[J]. 海洋工程, 2024, 42(3): 190-208.
GENG B L, TANG X, JIN R J.Prospects for research on offshore floating photovoltaic structures and their hydrodynamic issues[J]. The ocean engineering, 2024, 42(3): 190-208.
[5] 柳英洲, 王文华, 李昕, 等. 考虑桩基础柔性的地震风浪作用下海上风力机结构耦合响应机理研究[J]. 太阳能学报, 2023, 44(3): 67-76.
LIU Y Z, WANG W H, LI X, et al.Research of coupling mechanisms of offshore wind turbines with pile foundation flexibilities under earthquake, wind and wave load[J]. Acta energiae solaris sinica, 2023, 44(3): 67-76.
[6] 林逸凡, 杨梓豪, 刘玉飞, 等. 中国沿海风电施工窗口期及功效分析[J]. 太阳能学报, 2023, 44(1): 273-280.
LIN Y F, YANG Z H, LIU Y F, et al.Analysis of weather window and construction efficiency for wind power development in offshore China[J]. Acta energiae solaris sinica, 2023, 44(1): 273-280.
[7] 马宇轩, 闵烨, 闫中杰, 等. 基于离散数值分析技术的海上风电机组安装施工规划模拟研究[J]. 太阳能学报, 2024, 45(6): 673-679.
MA Y X, MIN Y, YAN Z J, et al.Simulation research on aggregate installation planning for offshore wind turbines installation based non-discrete numerical analysis[J]. Acta energiae solaris sinica, 2024, 45(6): 673-679.
[8] LI L, GAO Z, MOAN T, et al.Analysis of lifting operation of a monopile for an offshore wind turbine considering vessel shielding effects[J]. Marine structures, 2014, 39: 287-314.
[9] 魏宇墨. 海上风电三筒导管架基础下放过程运动特性研究[D]. 天津: 天津大学, 2020.
WEI Y M.Dynamic characteristics analysis of three-bucket jacket for offshore wind turbines during lowering process[D]. Tianjin: Tianjin University, 2020.
[10] 刘俊峰, 倪道俊, 校建东, 等. 海上风电单柱复合筒型基础沉放过程分析[J]. 太阳能学报, 2023, 44(3): 239-243.
LIU J F, NI D J, XIAO J D, et al.Analysis of penetrating process of single-column composite bucket foundation for offshore wind turbine[J]. Acta energiae solaris sinica, 2023, 44(3): 239-243.
[11] ATAEI B, YUAN S, REN Z R, et al.Effects of structural flexibility on the dynamic responses of low-height lifting mechanism for offshore wind turbine installation[J]. Marine structures, 2023, 89: 103399.
[12] 武斌斌. 异型结构物海上拆除吊装分析[J]. 中国海洋平台, 2017, 32(2): 29-33.
WU B B.Analysis of abnormal structures offshore dismantlement lifting[J]. China offshore platform, 2017, 32(2): 29-33.
[13] 刘建峰, 杜颖, 王彦多, 等. 泰国湾固定式海洋平台组块拆除关键技术[J]. 船海工程, 2022, 51(6): 86-91.
LIU J F, DU Y, WANG Y D, et al.Key techniques of topside removal design for the fixed offshore platforms in gulf of Thailand[J]. Ship & ocean engineering, 2022, 51(6): 86-91.