摘要在电力系统中变电站是极为重要的组成部分，所以，变电站的设计正确与否，将影响整个电力系统的安全可靠行和运行效率。本说明书详细介绍了本次110kV 变电站设计的过程和具体步骤。根据各专业提供的资料和相关的设计法律规范，拟定设计方案同时进行方案比较及作出最终设计方案的确定。首先分析设计原始资料，计算出需要的负荷，同时考虑长远进展情况选择合适的负荷增长率。确定各电压等级出线回路后，选择不同电气主接线进行方案比较，从可靠性、灵活性和经济性三个方面进行，最后选择本次设计电气主接线方案。确定主变型号，计算出 35kV 和 10kV 侧短路电流。根据短路电流值选择和校验相应的电气元件。最后简要说明本次 110kV 变电站防雷接地设计。关键字：110kV 变电站；主接线；短路电流计算；电气设备选型AbstractTransformer substation in electric power system is a very important part of, so, the design of the transformer substation is correct or not, will affect the whole electric power system safe and reliable line and running efficiency.This manual introduces the 110 kV substation design process and specific steps.According to the information provided by the professional and related design specifications, and formulate design plan and scheme comparison and make a final determination of design scheme. First of all the raw data of the analysis and design, calculate the need of load, at the same time, considering the long-term development situation to choose the appropriate load rate.After each voltage grade wire loop, choose a different main electrical wiring scheme comparison, reliability, flexibility and economy from three aspects, finally choose the design of the main electrical wiring scheme.To determine the main transformer model, calculate the 35 kV and 10 kV side short circuit current.According to the short circuit current value selection and check the corresponding electrical components.Finally briefly explain the 110 kV substation ...
