LF精炼炉35kV电气设备故障分析改进  

Failure Analysis and Improvement of 35 kV Electrical Equipment of LF Refining Furnace

作　　者：郭金恒 殷志辉 彭善忠 郭宗华[4] Guo Jinheng;Yin Zhihui;Peng Shanzhong;Guo Zonghua

机构地区：[1]山东电子职业技术学院 [2]山钢股份莱芜分公司炼钢厂 [3]山东冶金设计院股份有限公司 [4]莱芜钢铁集团有限公司山东鲁冶项目管理有限公司

出　　处：《变频器世界》2023年第1期104-107,共4页The World of Inverters

摘　　要：本文阐述了山钢股份莱芜分公司炼钢新动区两台LF精炼炉35kV系统投产后出现的真空断路器操动机构非全相分闸、电炉变压器阻容吸收器绝缘子击穿、冶炼过程中变压器调压跳电等故障原因分析和处理方法,并对高压核心设备的运行及防范措施,提出有效的控制过程和维护策略,改善运行方式,解决了制约生产的瓶颈。This paper describes the analysis and treatment of the faults of the operating mechanism of the vacuum circuit breaker,the breakdown of the insulator of the resistance-capacitance absorber of the electric furnace transformer,and the voltage tripping of the transformer in the smelting process,which occurred after the commissioning of the 35kV system of two LF refining furnaces in the new moving zone of Laiwu branch of Shan Steel,and to the operation of high-voltage core equipment and preventive measures,put forward effective control process and maintenance strategy,improve the operati on mode,solve the bottle neck of production.

关 键 词：35KV真空断路器 弹簧操动机构 非全相分闸 电炉变压器 阻容吸收装置 

分 类 号：TF34[冶金工程—冶金机械及自动化]