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Question

某220KV变电站电气一次部分初步设计
摘 要

电力事业的日益发展紧系着国计民生。它的发展水平和电气的程度，是衡量一个国家的国民经济发展水平及其社会现代化水平高低的一个重要标志。
党的十六大提出了全面建设小康社会的宏伟目标，从一定意义上讲，实现这个宏伟目标，需要强有力的电力支撑，需要安全可靠的电力供应，需要优质高效的电力服务。
本毕业设计是在完成本专业所有课程后进行的综合能力考核。通过对原始资料的分析、主接线的选择及比较、短路电流的计算、主要电器设备的选择及校验、线路图的绘制以及避雷器针高度的选择等步骤、最终确定了220kV变电站所需的主要电器设备、主接线图以及变电站防雷保护方案。
关键词：电力事业 综合能力 主接线 短路电流

Answer 1

The cause of the growing power of a tight Guojiminsheng. Its level of development and electrical level, a measure of a country's national economic development level and social modernization of the level of an important sign.
The 16th National Party Congress put forward the comprehensive construction of the magnificent goal of a well-off society, a certain sense, to achieve this grand goal, the need for a strong power support, the need for safe and reliable supply of electricity, need high quality and efficiency of electricity services.
The graduation project is the completion of all the professional courses for the comprehensive capacity assessment. Based on the analysis of raw data, the main cable and the choice of comparison, short-circuit current calculation, the main electrical equipment selection and validation, route map and the mapping of the high-arrester selection steps, ultimately identified 220 kV substation for the main Electrical equipment, wiring diagram and the main substation lightning protection programme.
Key words: comprehensive capacity main cause of the power cable short-circuit current