本设计是对35kV城镇变电站的设计,主要为生活用电和农业灌溉所用,文章概述了变电站设计的基本过程和基本方法。设计中先对负荷进行了统计和计算,选出所需的主变型号;然后进行电气主接线的选择。电气主接线是变电站电气设计的主体,与变电站运行的可靠性、经济性等要求密切相关;接着对35kV变电站做了短路电流计算和电气设备的选择,最后针对短路电流进行了继电保护和变电站的防雷设施和接地装置的设计。本设计以实际负荷为依据,以变电站的最佳运行为基础,按照相关规定和规范完成满足该区供电要求的35kV变电站设计。英文:This design is the design of 35kV urban substation, mainly for electricity and irrigation use, this paper summarizes the basic process and basic method of substation The design of the first load of statistics and calculation, main transformer selected models required; and then the main electrical wiring The main electrical wiring is the main electrical substation design, substation is closely related with the reliability, economic operation requirements; then do the short-circuit current calculation and the choice of electrical equipment for the 35kV substation, finally has carried on the design of lightning protection facilities and grounding device of relay protection and substation for short circuit The design of the actual load as the basis, take the transformer substation optimal operation for the foundation, in accordance with the relevant provisions and norms do meet the design of 35kV substation in the area power supply