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河北能源职业技术学院——毕业设计
110kV变电站设计
姓 名：张淞
学 号：2008302402207 指导教师：马宝印
2011年5月21日
河北能源职业技术学院——毕业设计
题目：110kV变电站设计
摘 要
随着经济的发展和现代工业建设的迅速崛起，供电系统的设计越来越全面、系统，工厂用电量迅速增长，对电能质量、技术经济状况、供电的可靠性指标也日益提高，因此对供电设计也有了更高、更完善的要求。设计是否合理，不仅直接影响基建投资、运行费用和有色金属的消耗量，也会反映在供电的可靠性和安全生产方面，它和企业的经济效益、设备人身安全密切相关。
变电站是电力系统的一个重要组成部分，由电器设备及配电网络按一定的接线方式所构成，他从电力系统取得电能，通过其变换、分配、输送与保护等功能，然后将电能安全、可靠、经济的输送到每一个用电设备的转设场所。作为电能传输与控制的枢纽，变电站必须改变传统的设计和控制模式，才能适应现代电力系统、现代化工业生产和社会生活的发展趋势。随着计算机技术、现代通讯和网络技术的发展，为目前变电站的监视、控制、保护和计量装置及系统分隔的状态提供了优化组合和系统集成的技术基础。
随着电力技术高新化、复杂化的迅速发展，电力系统在从发电到供电的所有领域中，通过新技术的使用，都在不断的发生变化。变电所作为电力系统中一个关键的环节也同样在新技术领域得到了充分的发展。
河北能源职业技术学院——毕业设计
目 录
绪论 ··························································································· 1 第一章 原始资料及其分析 ···························································· 2 1原始资料 ············································································· 2 2原始资料分析 ······································································· 4 第二章 负荷分析 ········································································ 5 第三章 变压器的选择 ·································································· 7 第四章 电气主接线 ······································································ 10 第五章 短路电流的计算 ······························································· 14
1短路电流计算的目的和条件 ····················································· 14 2短路电流的计算步骤和计算结果 ··············································· 15 第六章 配电装置及电气设备的配置与选择 ····································· 18导体和电气设备选择的一般条件 ··············································· 18 2 设备的选择 ········································································· 20 3 高压配电装置的配置 ····························································· 30 第七章 二次回路部分 ·································································· 32测量仪表的配置 ··································································· 32 2 继电保护的配置 ··································································· 33 第八章 所用电的设计 ··································································· 35 第九章 防雷保护 ········································································ 37
结束语 ························································································· 39
