摘要
随着低碳节能环保意识的普及,为节约土地资源,减少变电站征地面积,预装式变电站在电网中的运用越来越普遍,但还未涉足地铁供电系统。文章介绍了预装式变电站的概念、分类、目前的发展和研究现状,以及预装式变电站工程建设的优缺点。文章从成本、施工及运行管理等多个方面与常规变电站进行对比,总结应用经验,提出有价值的结论,为工程建设投资提供参考建议。分析地铁供电系统与电力系统的不同之处,提出在地铁供电系统中使用预装式变电站的优势。并针对贵州省的特殊地质条件及地铁主变电站需要沿着地铁线路建设的特殊性,为目前贵阳地铁主变电站建设过程中存在的问题提出使用预装式变电站的解决方案,并指出在地铁供电系统中使用预装式变电站的注意事项。
With the popularity of low carbon energy conservation and environmental protection consciousness,in order to save land resource and reduce the substation area of land expropriation,the application of preinstalled substation is becoming more and more common in power grid,but it has not been involved in metro power supply system. This article introduces the concept,classification,current development and research status of the preinstalled substations. as well as its advantages and disadvantages of preinstalled substation construction. The article compares the cost,construction and operation management with the conventional substation,summarizes the application experience,and puts forward valuable conclusions,and provides some suggestions for the project construction investment. Based the differences between the subway power supply system and the power system,the preinstalled substations is a big plus. Based on the special geological conditions of Guizhou province and the position of the main power station along the metro lines,the solution of use preinstalled substation for the current Guiyang problems existing in the process was constructed. It also points out the precautions for using preinstalled substations in metro power supply system.
引文
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