2012 届毕业设计（论文） 腾达机械厂降压变电所的设计系 、 部： 电气与信息工程系学生姓名： 指导教师： 职 称： 专 业： 班 级： 学 号： 2 0 1 2 年 5 月摘 要电能是现代工业生产的主要能源和动力。机械厂供电系统的核心部分是变电所。变电所主接线设计是否合理，关系到整个电力系统的安全、灵活和经济运行。本设计在给定机械厂具体资料的基础上，根据本厂所能取得的电源及本厂用电负荷的实际情况，并适当考虑到工厂生产的发展按照安全可靠技术先进经济合理的要求确定变电所的位置，确定变电所主变压器的台数和容量类型选择变电所主接线方案及高低压设备和进出线确定二次回路方案，选择整定继电保护装置，确定防雷和接地装置，最后按照要求写出设计说明书。关键词：电能；变电所；二次回路；变压器ABSTRACTThe electricity is modern industrial production of main sources of energy and motive force. The core of the power supply system of machinery factory is substation. The wiring is reasonable design substation, related to the whole power system security, flexible and economic operation.This design in a given machinery factory concrete material foundation, according to our factory will achieve the power and the actual situation of our electricity load, and appropriate consideration to the factory to the development of the production according to the safe and reliable technology advanced economic and reasonable required the position of the substation, determine the main transformer substation Numbers and capacity type choice Lord wiring schemes and high or low voltage substation equipment and determine the outlet and the secondary circuit solutions, choose the setting relay protection device, determine the lightning protection and grounding device, finally according to the request and write the design specification。Key words：power；substation；The secondary circuit；transformer目 录1 绪 论 ····························...
