【摘要】 电气主接线是电网中必不可少的一部分，担负传输电能的职责，主接线方案的选择也会影响到电网运行的安全性、可靠性．针对35 kV总降压变电所的电气主接线设计，设计内容包括负荷计算、无功补偿的计算、主变压器的选择、短路计算、导线选择等，运用AutoCAD完成对主接线图的绘制．更多还原

【Abstract】 Electrical main circuit is an essential part of the power grid and is responsible for transmitting electrical energy.The choice of the main circuit scheme will also affect the safety and reliability of the power grid operation.The electrical main circuit design of 35 kV general step-down substation is designed,including load calculation,reactive power compensation calculation,selection of main transformer,short circuit calculation,wire selection and so on.The drawing of main circuit diagram is completed by using AutoCAD.更多还原