塑料制品厂全厂总配电所及配电系统初步设计

论文编号:DQ059    论文字数:10127,页数:32 附CAD图

摘   要   塑料制品厂企业内采用何种供配电方式,既能满足生产需要,又能使供配电系统安全、可靠、经济、合理地运行是摆在我们面前急需解决的新问题。本文根据10kV进线塑料制品厂企业供配电特点,介绍了10kV进线塑料制品厂企业内主要的供配电方式,并对其进行了较
详细的分析。对全厂总负荷进行计算分组，全厂负荷的计算以及无功补偿来拟定变压器的容量、台数以及型号，来计算出有功、无功及视在功率，完成功率因数的计算，完成电气主接线图的设计，再进行短路电流的计算，完成电缆电线的型号进行选择及校验，完成高压设备的选择，进行继电保护整定计算，灵敏度的检验，防雷与接地的设计。

关键词: 10kV进线  企业供配电 负荷

Abstract
 Plastic products factory enterprises used for distribution, which can meet the needs of production, distribution systems make for a safe, reliable, economic and reasonable operation is before us of the urgent need to solve new problems. Based on the 10 kV line into plastic products factory for the distribution characteristics of enterprises, on the 10 kV line into plastic products factory enterprises within the main power supply, and gain a more detailed analysis. The whole plant to calculate the total load group, all members of the plant load calculation and reactive power compensation to develop the capacity of transformers, Taiwan and several models to calculate the active, reactive and apparent power, power factor completed, the completion of the main electrical Diagram of the design, conduct further short-circuit current calculation, the completion of cable wires and a selection of the model calibration, high-pressure equipment to complete the selection, a relay coordination, the sensitivity of the test, mine and the grounding of the design

Key Words: Progressive 10kV     Distribution lines for enterprises  Load 

目 录
摘要……………………………………………………………………………. . .……………I
 1.绪论…………………………………………………………………………………………..1
1.1   选题的背景及其意义……………………………………………………………..1
1.1.1  电能的特点及工厂变电所的作用………………………………………………1
1.1.2  电力系统的发展概况……………………………………………………………2
 2 主要任务及原始资料分析………………………………………………………………3
2.1  原始数据………………………………………………………….…………………..3
2.2  供电协议………………………………………………………….... . ………………3
3  负荷计算的意义及相关参数的计算………………………………………….5  
3.1   负荷计算的意义……………………………………………………………………...5    
3.2   参数的计算……………………………………………………………………………5
   3.3  数值计算………………………………………………………………………………6
 4  变压器的台数、容量和类型的选择………………………………………….11
4.1   变压器的介绍………………………………………………………………………...11
4.2  变压器的选择………………………………………………………………………….12
 5  电气主接线……………………………………………………………………………….14
5.1   电气主接线的意义及重要性……………………………………………………....14
5.2   电气主接线…………………………………………………………………………15
 6  短路电流的计算………………………………………………………………………..16
 6.1高压侧短路电流………………………………………………………………………16 
7高压设备选择…………………………………………………………………....18  
 7.1   高压电缆选择……………………………………………………………...18  
 7.2   高压断路器选择…………………………………………………………………....18
 7.3  互感器选择……………………………………………………………………….....19
 8  整定保护计算………………………………………………………………….20
 9  防雷与接地…………………………………………………………………….23
9.1接地的概念…………………………………………………………………………...23
9.2地网简介……………………………………………………….................23
9.3土壤电阻率和接地电阻……………………………………………………………..25
 10  总结…………………………………………………………………………..26
 致谢………………………………………………………………………………..27
参考文献…………………………………………………………………………..28

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