摘 要本次设计的题目是《丰台 220KV 一次降压变电所电气部分初步设计》,所设计的变电所位于工业区附近,主要向工业区供电。根据任务书的要求,综合运用大学四年所学知识,结合各种电气专业书籍,运用绘图软件完成设计。本次设计是对于 220/60KV 降压变电所的设计,主要设计了一次侧,包括手册和计算手册两部分、三幅图、变电站主接线图、一套室外配电设备方案和室外配电装置概况。在老师的帮助下,通过本人的精心设计完成。整个设计可以分成几大部分。第一部分是选择主变压器,第二部分是设计主接线,第三部分线路短路设计,第四部分选择电气设备,第五部分规划配点装置。第六部分自动装置的继电保护,第七部分就是防雷的设计。整个设计大概可以分为这七个部分,在设计过程中,满足了社会对于电力系统的要求,同时也考虑了电力系统未来的发展。这次设计,是一次综合性非常强的设计,对于个人能力是一次挑战,同时我在这个过程中,个人水平也得到了提高。通过本次设计,使我对电力系统有了更加深刻的认知,感谢指导教师给与我的指导与帮助让我完成了这次设计,在此向他们表示最诚挚的感谢。关键词 电力系统,变电站,短路计算,电气设备AbstractThe title of this design is the preliminary design of the electrical part of the 220KV subtraction substation of fengtai, which is located in the vicinity of the industrial zone, which mainly supplies power to the industrial area. According to the requirements of the assignment book, comprehensive application of four years of college knowledge, combined with various electrical professional books, using drawing software to complete the design.This design is for the design of the 220/60 kv step-down substation, mainly is to design a side, including the description and calculation of two parts, three drawings of substation main electrical wiring diagram, outside a floor plan distribution equipment, power distribution device profile a outside. With the help of the instructor, through my careful design. The content of the whole design includes the selection of the main transform...