本设计为330kV变电站初步设计，分为主变压器选择、主接线、短路电流计算、电气设备的选择等几部分，同时附有电气主接线图等图纸加以说明。-the design of the preliminary design 330kV substation, the main transformer sub-choice, the main wiring, short-circuit current, Electrical equipment options, etc., along with electri