毕业设计--110-35-10KV变电所设计

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1、 学士学位论文 论文题目: : 110-35-10KV 变电所设计 院(部)名 称: 电气信息工程学院 学 生 姓 名: 专 业: 自动化 学 号: 指导教师姓名: 论文提交时间: 2012 年 4 月 26 日 论文答辩时间: 2012 年 5 月 12 日 学位授予时间: 2012 年 6 月 10 日 摘 要 随着现代工业时代的不断发展，人们对电力设备供应的要求越来越高，特别是供电 的稳定性、可靠性和可持续性。然而电网的稳定性、可靠性和可持续性往往取决于变电所 的合理设计和配置。基于这几方面的考虑，本论文设计了一个降压变电所,本变电所有三 个电压等级：高压侧电压为 110kv,四回线路；

2、中压侧电压为 35kv,七回出线，备用一回； 低压侧电压为 10kv,十回出线,同时对于变电站内的主设备进行合理的选型。 本设计选择选 择两台 SFSZ9-63000/110 主变压器，其他设备比如站用变、电流互感器、电压互感器、断 路器、隔离开关、高压熔断器、无功补偿装置和继电保护装置等等也按照具体要求进行选 型、设计和配置，尽量做到运行可靠、操作简单、方便、经济合理、具有扩建的可能性和 改变运行方式时的灵活性。使其更加贴合实际，更具现实意义。 关键词： 变电所 设计 降压 变压器 ABSTRACT With the development of the industry times, pe

3、ople bring up higher requests to the electric power supply, especially to the stability、reliability and endurance .But the stability 、reliability and endurance of the electrical network often rely on the transformer substations rationality and disposition. One typical transformer substation requests

4、 the equipments in it work reliably, operate nimbly, being carried on reasonably and easy to be expended .Refer to these several reasons, in this article we devise a transformer substation for abasing voltage, which has three voltage rates: the high voltage rate is 110kV,which has four routes; the m

5、iddle voltage rate is 35kv which has seven routes ; the low voltage rate is 10kV, which has ten routes . In the same time ,we select the main equipments for the transformer substation .This article select two main transformer (SFSZ9-63000/110) and other equipments, for example : transformer used for

6、 substation ,breaker , isolator ,current transformer, voltage transformer, high voltage fuse , Idle work compensator ,the protecting equipments and so on are also selected ,devised and disposed according to the actual fact. Whats more, we try our best to mange to make the substation work reliably, operate nimbly, be carried on reasonably and easy to be expended. So that it can close the