HX_D2C型电力机车主变压器高压绕组烧损的原因分析及改进建议  

Reason Analysis and Suggestions for Main Transformer High Voltage Cable Winding Burnt Problem HX_D2C Electric Locomotive

作　　者：李霞[1] 张国东[1] 周彦召 董亮[1] 赵玉良[1] 

机构地区：[1]郑州铁路局洛阳机务段,河南洛阳471002

出　　处：《铁道机车车辆》2017年第3期97-99,共3页Railway Locomotive & Car

摘　　要：介绍了HX_D2C型电力机车主变压器的特点,分析了变压器运用过程中出现的高压绕组烧损故障产生的根本原因。分析变压器油泵故障是造成变压器绕组烧损的直接原因,指出变压器油泵在发生故障后乘务员要引起足够重视,以免故障扩大,导致绕组烧损,提出了相应改进建议。HXD2C type electric locomotive main transformer characteristics was introduced and the rootcause of high voltage winding burnt problem is analyzed during its application. In this paper, analysis of transformer oil pump failure is the direct cause of this problem, points out that the transformer oil pump need draw great attention of the attendants after failure happened to avoid failure extension, finally puts forward the corresponding improvement Suggestions.

关 键 词：HXD2C型电力机车 主变压器 高压绕组烧损 原因分析 改进建议 

分 类 号：U260[机械工程—车辆工程]