摘要
分析了太钢九降压220 kV大型变压器保护装置及二次系统存在的问题,提出了改造技术方案及实施过程,改造后的主变保护装置及二次回路正确率100%,运行稳定,效果良好。
The problem of the protection equipment and secondary system of the 220 kV large-voltage step-down transformer of Taigang No.9 were analyzed,and the technical reformation plan and implementation process were proposed.After the transformation,the correct rate of the main transformer protection device and the secondary circuit is 100%,the operation is stable,and the effect is good.
作者
渠天清
QU Tian-qing(Energy and Power Plant,Taiyuan Iron and Steel(Group)Co.,Ltd.,Taiyuan 030003,China)
出处
《机械工程与自动化》
2020年第3期213-215,共3页
Mechanical Engineering & Automation
关键词
变压器
微机保护
二次回路
保护装置
transformer
microcomputer protection
secondary circuit
protective device
