1、 220kV 变电所电气一次部分设计 摘 要 本文以任务书给定的 220kV 变电所原始资料为依据， 按照变电所设计规程的要求和 变电所的实际情况，从变电所运行的安全性，经济性和可靠性等方面综合考虑，通过技 术经济比较对变电所各种电压等级的电气主接线、主变压器和配电装置进行了选择，并 在短路电流计算的基础上完成了变电所主要电气设备的选择和主要电气设备的保护配 置。 此外完成了变电所配电装置的选型和布置设计。 通过本次毕业设计， 达到了巩固 发 电厂电气部分课程的理论知识，掌握变电所电气部分设计的基本方法，体验和巩固我 们所学的专业基础和专业知识，培养我们运用所学知识去分析和解决与本专业相关的实
2、 际问题的能力，培养我们独立分析和解决问题的能力。 本设计书包括设计说明书、计算书和图纸三部分。 关键词：220kV 变电所；主接线；短路电流；配电装置 THE DESIGN OF THE FIRST PART ABOUT THE 220kV TRANSFORMER SUBSTATION ABSTRACT In this design, based on the given raw data by the task book of the 220kV transformer substation , In accordance with the the requirements of the
3、design point of order and the actual situation of the transformer substation. By considering the security operation,economy and reliability.by way of comparing technical and economic then choose the proper main electrical connection of various kinds voltage, the main transformer and distribution equ
4、ipment, and by calculating the Short-circuit current to choose the main electrical equipment and the protection Profile of the main electrical equipment. Besides I have to select the appropriate type of the distribution equipment of the 220kV transformer substation and the composition. Graduation project through this time, to a solid electric power plant partstheory courses, master substation electrical design part of the basic methods, learning experience and strengthen our foundation and
