35 kV精炼炉炉变损坏的事故分析及治理  

Fault Analysis of the Damage of the Transformer of the 35 kV Refining Furnace and the Relevant Solutions

作　　者：王力力 WANG Lili(Chongqing Branch of CISDI Electric Technology Co.,Ltd.,Chongqing 400013,P.R.China)

机构地区：[1]中冶赛迪电气技术有限公司重庆分公司,重庆400013

出　　处：《重庆电力高等专科学校学报》2022年第1期13-17,41,共6页Journal of Chongqing Electric Power College

摘　　要：针对某钢铁企业一起因精炼炉炉变轻、重瓦斯保护同时动作导致的变压器损坏的事故,本文针对变压器油化验台账、谐振放大倍数、冲击谐波电流及截流过电压等方面进行详细分析,找出故障原因,并给出解决方案,经运行证明该方案可靠,具有推广价值。This paper introduces a fault of the damage of the transformer in a steel enterprise caused by simultaneous action of light and heavy gas protections of the transformer of the refining furnace.In addition,it analyzes the oil testing machine account,the resonance amplification factor,the impulse harmonic current and the cut-off overvoltage in detail,to discover the causes of the fault as well as giving relevant solutions.The scheme has proved reliable in operation and is worth popularizing.

关 键 词：精炼炉 谐波电流 间谐波 滤波器 截流过电压 

分 类 号：TV641[水利工程—水利水电工程]