220KV变电站电气部分初步设计简介.docx
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1、李庄220KV变电站电气部分初步设计电气工程及其自动化1619790120冯翔指导教师:张晓英教授张宏亮 副教授摘要随着时代的发展,电力已经成为J现代工业、生活中不可缺少的动力资源,电力的健康发展是社会和国家前进的有效动力。但是,随着新型工业的快速崛起,原有的电力传输方法,已经不能满足当下工业的的生产要求。我们知道电能的生产过程到最终用电的终端为(发电、变电、送电、配电、用电),这几个过程几乎是同时进行的,所以必须相互协调,相互配合。因而能将电厂发出的电能合理调度,做到电能的高效使用。互联网技术的迅速发展,使得电力系统的整结构有了质的变化,从最开始的一岗多人,到现在的一人多岗,变电站中电网的的
2、白动化控制程度已经代替了许多人的岗位,不仅解放了人的双手,而且使得变电站电能调度更加精准,工作效率更高。按照中国目前的电力状况,使电力发送更加科学,可靠和高质量。同时.,电能的生产也要符合当下的社会发展需求,减少对环境的污染,合理控制发电的方式,让最终的用户使用到质量可靠,价格低廉的电能。结合目前现状,220KV变电站的建设,我要考虑到建设土地的选择、对当地住户的影响,对周围环境,以及动物的影响等。要保证电能的质量和用电安全等问题,同时,220KV变电站的建设还要满足当地用户对电能使用的的可持续增长问题,要符合我国的可持续发展国情,以便于以后对该电网的改造和建设。关键词:变电站设计,电气主接线
3、,短路电流。AbstractWith the development of the times, electric power has become an indispensable power resource inmodern industry and life. The healthy development of electric power is an effective driving force forthe progress of society and the country. However, with the rapid rise of new industries, t
4、he originalpower transmission method can no longer meet the production requirements of current industries. Weknow that the terminal from the production process of electrical energy to the final power consumptionis (generation, transformation, transmission, distribution, and electricity consumption).
5、 These processesare almost simultaneous, so they must coordinate and cooperate with each other. Therefore, the powergenerated by the power plant can be reasonably dispatched, and the power can be used efficiently.The rapid development of Internet technology has caused a qualitative change in the ove
6、rallstructure of the power system. From the initial multi-person job to the current multi-person job, thedegree of automation of the power grid in the substation has replaced many peoples posts. Not onlydoes it liberate human hands, but also makes the substation power dispatch more precise and workm
7、ore efficiently.According to the current status of electric power in my country, in order to make electric energydispatch more scientific, reliable and high-quality. At the same time, the production of electrical energymust also meet cuiTent social development needs, reduce pollution to the environm
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