供配电系统优化改造设计毕业设计

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1、 本科生毕业设计（论文） 题 目 xx 磨家供配电系统优化改造设计 专 业 电气工程及其自动化 院 部 物理与电子工程学院 学 号 姓 名 指 导 教 师 答 辩 时 间 二 0 一三年五月 工作时间： 2012 年 7 月 至 2013 年 5 月 xx 磨家供配电系统优化改造设计 摘 要: : 本次设计的内容是磨家师院供配电系统优化改造设计，这次是为师院供 配电主变压器的优化，给学校供给电能。且大学对供电要求较高。所以，必须采 用可靠性较高的优化方案。 原始材料的负荷计算、短路电流计算及变压器的选择及优化、主接线图的选 择。其中，主接线代表了变配电所主体结构，它对电气设备的选择、配电装置的

2、 选择、继电保护等都有关系，且将长期影响系统运行的可靠性、安全性、经济性。 我参考了供配电系统设计、变配电所设计、工厂供电等许多的书籍，最后对 该校供配电系统进行了初步优化改造设计。这次设计为毕业设计，我通过设计改 造实践，综合运用所学的知识，培养了独立分析和解决问题的能力，为以后的工 作奠定了基础。 关键词: : 变压器;电气主接线;电气设备;继电保护 Optimization of School Power Supply Abstract: This design topic is the power supply and distribution system for a experim

3、ental high school of A city, this system is connected with the public line of 10kV through step-down transformers, and distribute electrical power to experimental high school of A city. The experimental high school of A city electrical charge is big ,and the school demand of reliability of power sup

4、ply is high, using the high reliable wiring form. The charge computation, short-circuit current computation, electrical main wiring design, electrical equipment choice and verification (including main voltage transformer choice, circuit breaker and disconnecting switch with check-up, conductor choic

5、e with check-up, current transformer choice with check-up, voltage transformer choice with check-up and lightning protector choice and so on),the disposal and configuration of the transformer substation design. Between them, the electrical main wiring has represented the main bodies structure of the

6、 substation, it has the decisive relations about the electrical equipment choice, the power distribution equipment arrangement, the relay protection, the decision of automatic device and the control mode ,and it has long-term influence about the reliability， security，flexibility and efficiency of the electrical power system movement. In order to finish the design, I referring to the power supply and distributio