330KV变电站设计

ellasshort-circuitcurrentcalculationandthechoiceofthemainsubstationelectricalequipment(includingcircuitbreakers,isolatingswitches,transformers,etc.),theconfigurationoftheprotectionandlightningprotectionandotheraspectsofthedesignofthe330kVsubstationelectricalpartofthedesignideas,designsteps,andinthechoiceofthenecessarycalculationsandverificationofelectricalequipment.pletesthedrawingofthecorrespondingdrawingsofthedesign.Keywords:Substation;Maintransformer;Electricalmainwiring;electricalequipment;relayprotection目录引言?11主变压器选择?21.1主变压器选择的一般原则?21.2主变压器型式选择?21.3本设计主变压选择结果?32电气主接线及设计?52.1概述?52.1.1主接线设计的原则?52.1.2电气主接线的基本要求?52.2主接线的基本形式和特点?62.2.1单母线接线?62.2.2单母线分段接线?62.2.3双母线接线?72.2.4双母线分段接线?72.2.5旁路母线接线方式?72.2.6一台半断路器双母线接线?72.2.7桥形接线?82.3主接线方案的比较选择?82.4电气主接线设计图?123变电站站用电设计?133.1站用变的选择?133.2站用电接线图?13