【畢業(yè)設計】220kv變電站電氣部分設計

1、二〇一五二〇一五年一月十六日星期五【畢業(yè)設計】220KV 變電站電氣部分設計.DOC畢業(yè)設計說明書 畢業(yè)設計說明書設計課題： 設計課題： 220KV 220KV 變電站電氣部分設計 變電站電氣部分設計 二〇一五二〇一五年一月十六日星期五【畢業(yè)設計】220KV 變電站電氣部分設計.DOCABSTRACTWith the development of economy and the ra

2、pid rise of the modern industrial construction, the design of the power supply system is more and more comprehensive, system, plant power consumption growing rapidly, the power quality, technical and economic conditions,

3、 the power supply reliability index also is increasing day by day, therefore also has a bigger, better for power supply design requirements. Design is reasonable, not only directly affect the capital construction investm

4、ent, operation cost and the consumption of non-ferrous metal, also reflected in the power supply reliability and safety production, and it is closely related to the enterprise's economic benefits, equipment safety.Th

5、e design is refer to the part of 220kV electrical substation design. First of all, analyze the original data ,based on it , design the main wiring and then the design of the electrical general layout of the arrangement a

6、nd distribution equipment and choose the main transformer, then the short circuit calculation ,the choice of conductor electrical equipment, the design of relay protection and are equipped with,at last, Lightning protect