学位论文—-通用机器厂供用电设计.doc

供用电工程课程设计通用机器厂供用电设计院、部: 电气与信息工程学院学生姓名: 指导教师: 专业: 电气工程及其自动化班级: 学号: 课程设计任务书主要内容: 对中小型工厂的供配电系统进行设计,采用 10kV供电电源,在金工车间东侧 1020 m处有一座 10 kV配电所,先用 1 km 的架空线路,后改为电缆线路至本厂变电所,将 6—10 kV 的高压降为一般低压用电设备所需的电压,然后由低压配电线路将电能分送给各用电设备。其它各项设计,均应根据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、经济合理的要求进行设计。参考资料: [1] [M] .北京:***出版社, 200 -48 [2] 王健明,[M] .西安:电子工业出版社, 200 4. [3] 何仰赞,[M] .武汉:华中科技大学出版社, 2004 . [4] [M] .北京:***出版社, 2005 . [5] 江文,[M] .北京:***出版社, 2003 . 目录 1设计要求···················································································· 1 2工厂负荷计算及配电系统的确定······················································ 1 工厂实际情况的介绍····························································· 1 工厂负荷计算和无功补偿计算················································· 3 主要车间配电系统的确定······················································· 5 3电气设备选择与电器校验······························································· 7 主要电气设备的选择····························································· 7 电器校验············································································ 8 4继电保护系统的设计···································································· 12 继电保护的选择、整定及计算··············································· 12 防雷与接地······································································· 12 5变电所平面布置设计及设计图样···················································· 13 变配电所平面布置设计························································ 13 设计图样·········································································· 14 结论·························································································· 15 参考文献······················································································ 16 1 1设计要求( 1)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,确定变电所的位置与型式。( 2)确定变电所主变压器的台数与容量、类型。(3)选择变电所主结线方案及高低压设备和进出线。(4)确定二次回路方案。( 5)选择整定继电保护装置。(6)确定防雷和接地装置。(7)绘制设计图样。 2工厂负荷计算及配电系统的确定 工厂实际情况的介绍