1、 专科毕业设计(论文)资料专科毕业设计(论文)资料 题题 目目 名名 称:称: 10Kv 降压变电所及车间低压降压变电所及车间低压 配电系统设计配电系统设计 学学 院(部) :院(部) : 电气与信息工程学院电气与信息工程学院 专专 业:业: 电气自动化电气自动化 学学 生生 姓姓 名:名: 班 级: 指导教师姓名:指导教师姓名: 最终评定成绩: 摘 要 本设计含工厂供电设计,包括:负荷的计算及无功功率的补偿;变电所主变压器台数和 容量、型式的确定;变电所主接线方案的选择;进出线的选择;短路计算和开关设备的选择; 二次回路方案的确定及继电器保护的选择和整定;防雷保护与接地装置的设计;车间配电线
2、 路布线方案的确定;线路导线及其配电设备和保护设备的选择;以及电气照明的设计,还有 电路图的绘制。 本设计根据设计任务书可分为三大部分,第一部分为各车间变电所的设计选择,包括方 案比较、变压所变压器台数及容量选择、变电所 I 的供电负荷统计无功补偿,变压所 I 的变 压器选择;第二部分为各车间计算负荷和无功率补偿、短路电流计算、工厂总降压变电所及 接入系统设计、变电所高低压电气设备的选择、继电保护的配置;第三部分为电气设计图, 包括车间变配电所电气主接线图、继电保护原理接线图。 关键词:变电所 变压器 断路器 继电器 隔离开关 互感器 熔断器 ABSTRACT This design incl
3、uding factory, including power supply system design : Calculation of load and compensation of the inactive power; Transformer substation main voltage transformer platform count and capacity , sureness of pattern; Mainly wire the choice of the scheme in the transformer substation; Pass in and out the
4、 choice of the thread; Choice of shorting out and calculating and switchgear ; Two return circuit sureness and choice that relay protect of scheme exactly make; Defend the thunder and protect the design with the earth device ; The workshop distribution line connects up the sureness of the scheme; Ci
5、rcuit wire and distribution equipment and protecting the choice of the equipment; And the electric design that lighted, there is drawing of circuit diagram. This design according to the design specification can be divided into three parts, the first part of the design of each workshop substation, in
6、cluding scheme comparison, choose variable pressure transformer sets and capacity of what I choose, substation reactive-power compensation power load statistics, which I transformer variable pressure choice; The second part is computational load each workshop and without power compensation, short-circuit current calculation, factory general voltage substation and access system design, substation high-low voltage