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海上升压站平台不同标准对比研究

Comparative Research on Different Standards of Offshore Steel Structure Platform

  • 摘要:
      目的  风能是近年来飞速发展的可再生能源。海上升压站是连接海上风场和陆上电网的关键设备,起着汇集和送出风场电能及抬升输电电压、降低输电损耗的作用。目前国内海上升压站的设计标准并没有做到系统化,存在多种规范共存的局面,有必要对各种标准进行对比研究。
      方法  首先介绍了海洋平台分类、设计荷载分类,进而详细论述了不同国家海洋平台的设计工况与设计方法,最后对抗震相关的合理性进行了较为深入地对比分析。
      结果  通过对不同标准的对比分析,目前存在ASD方法和LRFD方法共存的局面,中国海上升压站的设计选择了以LRFD方法为主的路线,随着中国海洋建设的蓬勃发展,也将推动海上升压站相关标准与已有GB的协调一致。
      结论  本研究为标准的选择与合理应用提供了重要依据。

     

    Abstract:
      Introduction  Wind energy is a renewable energy that has developed rapidly in recent years. The offshore booster station is the key equipment connecting the offshore wind farm and the onshore power grid. It plays the role of collecting and sending wind farm energy and raising the transmission voltage and reducing the transmission loss. At present, the design standards of domestic offshore booster stations are not systematic, and there are many situations where specifications coexist. It is necessary to conduct comparative studies on various standards.
      Methods  Firstly, the classification of marine platforms and the classification of design loads were introduced. The design conditions and design methods of offshore platforms in different countries were discussed in detail. Finally, the rationality of earthquake-related correlations was compared and analyzed.
      Result  Through the comparative analysis of different standards, there is a situation where ASD method and LRFD method coexist. The design of China′s offshore booster station chooses the route based on LRFD method. With the vigorous development of China′s ocean construction, it will also promote the relevant standards of offshore booster stations and the existing GB.
      Conclusion  This study provides an important basis for the selection and rational application of standards.

     

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