水电站电气主接线毕业设计论文

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西南科技大学本科生毕业论文







Southwest university of science and technology





本科毕业设计（论文）



某水电站电气主接线系统设计



学 院： 年 级： 专 业： 姓 名： 学 号： 指导教师：





电气工程及其自动化



二〇一三年六月




西南科技大学本科生毕业论文



某水电站电气主接线系统设计

摘要：该水电站以发电为主，兼顾拦沙、防洪等综合利用效益。水电站总装机容量约为 10 MV.A，为小型水电站。小型水电站的设计需要遵循国家相关设计标准，力求做到经济，安全，实用。本设计设计从原始资料入手，根据所给发电机的装机容量和相关参数，分析比较了电气主接线的的基本方式，确定35KV母线主接线方式，然后进行主变压器选择。通过短路电流的计算结果，选择了最终的电气设备，如断路器，隔离开关，电流互感器、电压互感器等，并进行了选型和校验，完成该水电站一次设备装置配置，最后论文对电站常用继电保护以及防雷保护做了基本阐述。



关键字：小型水电站；电气主接线；变压器；电气设备；




西南科技大学本科生毕业论文

The design of the main electrical system of

the Hydropower Station

Abstract： The main purpose of power balance of the hydropower station, and

comprehensive utilization benefit of sediment, flood control. The total installed capacity of hydropower is about 10M.VA, for small hydropower station! Need to follow the design standard, economy, safety design of small hydropower station, utility! The design begins with primitive data, according to the installed capacity of generators, choice of the main electrical wiring basic way, determine the main wiring of main transformer selection, in the choice of main wiring and main transformer, calculation of short circuit current, after short-circuit current calculation, according to short-circuit current calculation the results of the final selection, electrical equipment, such as circuit breaker, isolating switch, current transformer, complete an equipment area, and finally to two protection calculation options! All selected electrical equipment to CAD, and mark out! Through this design can improve the design of hydropower station master, to raise awareness and understanding each part of hydropower station, the future study and life has a lot of help.

Key words：Small hydropower station; the main electrical wiring; transformer; the electrical equipment

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