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一、问题的提出几年来,我厂生产的SS_4型电力机车主变压器散热器漏油现象较突出,运用部门反应很强烈,已经引起了铁道部有关部门及工厂的关注。我厂对已经配属宝鸡电力机务段的SS_4型1～48号车进行了较全面的调查、分析。发现散热器漏油原因相当复杂,1～24号车除4号、5号、23号车以外,其余均有不同程度的漏油现象,严重地影响了机车的运行。本文针对此问题向读者简述主变压器散热器的基本原理、结构,分析常见的漏油现象,并介绍近来我们采取的一些改进措施。二、散热器的基本原理
First, the problem raised Over the past few years, I plant production SS_4 electric locomotive main transformer radiator leakage phenomenon is more prominent, the use of departmental reaction is very strong, has caused the Ministry of Railways departments and factories concerned. I plant has been assigned to Baoji Electric Locomotive Depot SS_4 type 1 ~ 48 car carried out a more comprehensive survey and analysis. The reason for the radiator leakage was quite complicated. Vehicles 1 to 24 except for vehicles No. 4, No. 5 and No. 23 all had oil spills in varying degrees, which seriously affected the operation of the locomotive. In this paper, the reader briefed the reader on the basic principles of the main transformer heatsink, structure, analysis of common oil spills, and introduced some of the recent improvements we have taken. Second, the basic principle of the radiator