文档介绍：本科毕业设计(论文)
220kV变电站一次部分的设计
2012年 4 月
摘要
本次毕业设计的题目是《220kV变电站电气部分初步设计》。根据设计的要求,在设计的过程中,根据变电站的地理环境、容量和各回路数确定变电站电气主接线和站用电接线,并选择各变压器的型号;进行参数计算、画等值网络图,并计算各电压等级侧的短路电流,列出短路电流结果表;计算回路持续工作电流、选择各种高压电气设备,并根据相关技术条件和短路电流计算结果表校验各高压设备。
随着科学技术的发展,网络技术的普及,数字化技术成为当今科学技术发展的前沿,变电站数字化对进一步提升变电站综合自动化水平将起到极大促进作用,是未来变电站建设的发展方向。基于这种发展的需求,该变电站采用EDCS-6200型110kV变电站综合自动化。利用数字化技术来解决目前综合自动化变电站存在的问题已成为可能。本变电站就是利用数字化技术使变电站的信息采集、传输、处理、输出过程全部数字化,并使通信网络化、模型和通信协议统一化、设备智能化、运行管理自动化。
通过本次设计,学习了设计的基本方法,巩固三年以来学过的知识,培养独立分析问题的能力,而且加深对变电站的全面了解。
关键词: 主接线,短路电流,电气设备,主变保护,配电装置,EDCS-6200
Abstract
This graduation project topic is: "220kV Transformer substation Electricity Part Preliminary design".According to the design request, in the design process, according to the transformer substation geographical environment, the capacity and various return routes number determined the transformer substation electricity host wiring and the station use electricity the wiring, and chooses various transformers the model; Carries on the putation, the picture work chart, and calculates various voltages rank side the short-circuit current, lists the short-circuit current result table; Calculates the return route continually operating current, chooses each kind of high pressure electrical equipment, and verifies various high pressure unit according to the correlation engineering factor and the short-circuit puted result table.
Along with the science and technology development, working popularization,the digitized technology will e now the science and technology development the front, the transformer substation digitization to further promotes the transformer substation synthesis automation level to get up to the limit the big promoter action, is the future transformer substation construction development on this kind of development demand, this transformer substation uses EDCS-6200 the 110kV transformer substation synthesis at present using the digitized technology to synthesize the automate