ANALYSIS OF BEARING CAPACITY CONTROL LOAD CASE OF OFFSHORE SUBSTATION AND ITS OPTIMIZATION UNDER MULTIPLE LOAD CASES

Huang Shanshan; Sun Zhenzhou; Wang Yongfa; Chen Jiefeng; Lyu Guo&#x02019;er; Yu Gangjie

doi:10.19912/j.0254-0096.tynxb.2021-1580

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Acta Energiae Solaris Sinica ›› 2023, Vol. 44 ›› Issue (5) : 360-367. DOI: 10.19912/j.0254-0096.tynxb.2021-1580

ANALYSIS OF BEARING CAPACITY CONTROL LOAD CASE OF OFFSHORE SUBSTATION AND ITS OPTIMIZATION UNDER MULTIPLE LOAD CASES

Huang Shanshan, Sun Zhenzhou, Wang Yongfa, Chen Jiefeng, Lyu Guo’er, Yu Gangjie

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Abstract

Both the security and material utilization improvement of members should be paid attention to in the structural design of offshore substations. For an offshore substation located in Rudong sea area, a complete finite element model is built in SACS and a Matlab program is also used to investigate the bearing capacity control load case of key positions of the substation. In addition, the whole structure is optimized under multiple load cases. Considering all members and main jacket joints, a comprehensive quantitative index——comprehensive UC（unity check ratio）, is proposed for the offshore substation under all load cases. Compared with conventional methods, the comprehensive UC of all members and main jacket joints is increased significantly after optimization, indicating that the material utilization is improved obviously.

Key words

offshore wind power / substations / working conditions / structure optimization / comprehensive UC

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Huang Shanshan, Sun Zhenzhou, Wang Yongfa, Chen Jiefeng, Lyu Guo’er, Yu Gangjie. ANALYSIS OF BEARING CAPACITY CONTROL LOAD CASE OF OFFSHORE SUBSTATION AND ITS OPTIMIZATION UNDER MULTIPLE LOAD CASES[J]. Acta Energiae Solaris Sinica. 2023, 44(5): 360-367 https://doi.org/10.19912/j.0254-0096.tynxb.2021-1580

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