火力发电厂电气一次部分毕业设计

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1、电力工程系毕业设计（论文）目录前言····························································1摘要及关键词····················································2第1章主接线的设计·············································31．1发电机台数和参数的确定··································31．2变压器台数和参数的确定·································31．3

2、厂用电的设计的确定·····································41．4220kV主接线的设计·····································6第2章短路电流计算点的确定和短路计算结果······················92．1短路电流计算点的确定····································92．2短路电流计算············································9-34-电力工程系毕业设计（论文）2．3短路电流计算结果··················

3、·····················16第3章主要电气设备的配置和选择································163．1主要电气设备的配置······································163．2主要电气设备的选择······································17第4章所选电气设备的校验·······································214．1断路器的校验············································224．2隔离开关的

4、校验··········································234．3电流互感器的校验········································234．4母线的校验··············································25第5章继电保护的配置和考虑······································25-34-电力工程系毕业设计（论文）5．1概述·····················································255．2发电机保

5、护配置···········································275．3变压器的保护配置········································29结论·····························································30谢辞·····························································31参考文献·························································

6、32附录一所选设备一览表············································33附录二电气主接线················································35前言毕业设计是我们在校期间最后一次综合训练，它将从思维、理论以及动手能力方面给予我们严格的要求。使我们综合能力有一个整体的提高。它不但使我们巩固了本专业所学的专业知识，还使我们了解、熟悉了国家能源开发策略和有关的技术规程、规定、导则以及各种图形、符号。它将为我们以后的学习、工作打下良好的基础。-34-电力工程系毕业设计（论文）能源使社会生产力的重要基

7、础，随着社会生产的不断发展，人类使用能源不仅在数量上越来越多，在品种及构成上也发生了很大的变化。人类对能源质量也要求越来越高。电力使能源工业、基础工业，在国家建设和国民经济发展中占据十分重要的地位，是实现国家现代化的战略重点。电能也是发展国民经济的基础，使一种无形的、不能大量存储的二次能源。电能的发、变、送、配和用电，几乎是在同时瞬间完成的，须随时保持功率平衡。要满足国民经济发展和要求，电力工业必须超前发展，这是世界发展规律。因此，做好电力规划，加强电网建设，就尤为重要。而变电站在改变或调整