计算机]毕业设计--220kV枢纽变电站的主设计和变压器保护

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1、220kV枢纽变电站的主设计和变压器保护摘要变电站是电力系统中极其重要的部分，是实现输变电的关节点。好的变电站设计方案不仅可以满足广大用户的用电要求，而且还有利于电力系统的可靠运行。再有随着我国用电需求的不断增长以及先进科学技术的在电力系统中的运用，好的变电站设计方案的选择显得尤为重要。本设计是对大城市市中心枢纽配电站的设计。主要部分有：对原始资料的分析、变电站主设计以及变压器相关保护设计。关键词：主变压器，短路计算，设备选择，主变压器保护1220kVSUBSTIONPROJECTDESIGNANDTHEMAINTRANSFORME

2、RPROTECTIONABSTRACTTransformersubstationisaextremelyimportantpartofthepowersystem.It’sthekeypointtoachievethetransmissionandtransformerofelectricitypower.Gooddesignnotonlycanmeettheelectricityrequirementsofcustomersbutalsoforreliableoperationofpowersystem.Againwiththeg

3、rowingelectricitydemandinChinaandtheadvancedscienceandtechnologyusedinpowersystems,goodselectionofsubstationdesignisveryimportant.Thedesignisthedesignofadistributionhubsubstationindowntownofonebigcity.Themainpartsare:theanalysisofrawdata,substationdesignandsubstationre

4、layprotectiondesign.KEYWORDS:maintransformer,shortcircuitcalculations,equipmentselection,maintransformerprotect2目录摘要........................................................................................................................................1ABSTRACT........

5、....................................................................................................................21.序论.....................................................................................................................................12.电气主接线的设计....

6、.......................................................................................................22.1电气主接线概述........................................................................................................22.2主接线的基本形式.......................................

7、.............................................................32.3主接线方案选择........................................................................................................42.3.1初定方案...................................................................................

8、......................42.3.2方案的比较....................................................................................