1、河南城建学院 本科毕业设计（论文） 摘要 I 摘 要 随着经济高速发展，我国电网规模不断扩大， 110KV 变电站数量的不断增加，并且成为保障国内电力安全、平稳输送的重要部分 。为了保证电网 安全、稳定运行，需要以信息化推动生产自动化和管理现代化， 在 110KV 变电站的建设和运行管理中，对变电站综合自动化程度的要求增加，在此微机型继电保护装置具有重要的作用和意义，微机型继电保护装置能够及时对变电站出现的故障采取有效的处理方式。 变电站的继电保护和二次回路设计是变电站设计的重要组成部分。本次毕业设计根据原始资料数据和一 次部分提供的数据及供电系统图，对 110KV 变电站一次部分进行相应的继
2、电保护设计和二次回路初步设计。内容主要包括主变压器的保护方案设计及整定计算，母线保护的配置与整定计算，断路器、隔离开关的控制及其操作回路设计，电压互感器、电流互感器的配置与接线设计，信号回路设计。 关键词： 继电保护装置，微机型，二次回路，互感器 河南城建 学院本科毕业设计（论文） Abstart II Abstract Along with the rapid economic development, China power grid continues to expand the scale of 110 KV substation rising number of, and becom
3、e the domestic power security of security, stability of the important part of transport. In order to ensure secure and stable operation of the grid, need to promote production information automation and management modernization, in 110 KV substation construction and operation management of substatio
4、n integrated automation degree of demand increased, in this type of microcomputer relay protection device plays an important role and significance, the microcomputer relay protection device can type in substation failures to adopt effective treatment. Transformer substation of relay protection and t
5、he second circuit design is an important part of the substation design. The graduation design according to the original data and a part to provide the data and power supply system diagram 110 KV substations is a part for the corresponding relay protection design and the secondary circuit preliminary
6、 design. Content mainly includes the main transformer protection scheme design and setting calculation, the bus protection configuration and setting calculation, circuit breakers, isolating switch control and its operating circuit design, voltage transformer, current transformer configuration and wiring design, signal circuit design. Key words: relay protection device, the microcomputer type, the secondary circuit, transformer
