电力机车运用中变压器油性能指标综合分析研究
发布时间：2018-11-09 16:40
【摘要】：近年来随着高速铁路的快速发展,电力机车功率大、过载能力强、牵引力大、速度快、运营费用低、不污染空气等优点凸显出来,因而电力机车运行状况受到了越来越多的关注。而其中,机车牵引变压器是电力机车上的重要部件,根据变压器的工作状态能够预测电力机车的运行状态,其中很重要的环节为变压器油的检测。目前我国铁路行业没有自己的变压器油统一标准以及注意值,本文通过选取南北方各电力机车变压器油的现场试验数据,对比了南北方变压器油综合性能指标的变化差异,以及变压器油自身变化规律。得到南北方电力机车变压器油在综合性能方面存在一定的差异性,这一差异性与环境条件有很大相关性。而不同地域的变压器油自身变化规律大致相同。利用SPSS软件对变压器油现场试验数据做ROC曲线分析,结合实际检测情况,确定了电力机车变压器油综合性能指标的注意值,对现场检测有一定的指导作用。随着高速铁路的不断发展,铁路行业迫切需要制定符合高速铁路特点的变压器油酸值测定方法。目前国内采用NB/SH/T0836-2010、GB264-83方法测定变压器油的酸值,另有GB/T7304-2014方法测定石油产品的酸值。本文通过非参数检验和相关性分析,对比了几种方法,并通过非参数检验和回归分析方式,确定了三种方法的换算关系。
[Abstract]:In recent years, with the rapid development of high-speed railway, the advantages of electric locomotives such as high power, strong overload capacity, large traction force, high speed, low operating cost, no pollution of air, etc. As a result, more and more attention has been paid to the running condition of electric locomotives. Among them, locomotive traction transformer is an important part of electric locomotive. According to the working state of transformer, the running state of electric locomotive can be predicted, and the detection of transformer oil is one of the most important links. At present, China's railway industry does not have its own unified standard and attention value for transformer oil. By selecting the field test data of transformer oil for electric locomotives in the south and north, the variation of the comprehensive performance index of transformer oil in the south and north is compared. And transformer oil itself change law. It is found that there is a certain difference in the comprehensive performance of transformer oil in the north and south of the electric locomotive, which is related to the environmental conditions. The variation of transformer oil in different regions is roughly the same. The ROC curve of transformer oil field test data is analyzed by SPSS software, and the attention value of comprehensive performance index of transformer oil of electric locomotive is determined according to the actual test situation, which has a certain guiding function for field detection. With the development of high-speed railway, it is urgent for the railway industry to establish the method of measuring the acid value of transformer oil in accordance with the characteristics of high-speed railway. At present, NB/SH/T0836-2010,GB264-83 method is used to determine acid value of transformer oil and GB/T7304-2014 method is used to determine acid value of petroleum products. In this paper, several methods are compared by non-parametric test and correlation analysis, and the conversion relations of the three methods are determined by non-parametric test and regression analysis.
【学位授予单位】：中国铁道科学研究院
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TE626.3
本文编号：2320980
[Abstract]:In recent years, with the rapid development of high-speed railway, the advantages of electric locomotives such as high power, strong overload capacity, large traction force, high speed, low operating cost, no pollution of air, etc. As a result, more and more attention has been paid to the running condition of electric locomotives. Among them, locomotive traction transformer is an important part of electric locomotive. According to the working state of transformer, the running state of electric locomotive can be predicted, and the detection of transformer oil is one of the most important links. At present, China's railway industry does not have its own unified standard and attention value for transformer oil. By selecting the field test data of transformer oil for electric locomotives in the south and north, the variation of the comprehensive performance index of transformer oil in the south and north is compared. And transformer oil itself change law. It is found that there is a certain difference in the comprehensive performance of transformer oil in the north and south of the electric locomotive, which is related to the environmental conditions. The variation of transformer oil in different regions is roughly the same. The ROC curve of transformer oil field test data is analyzed by SPSS software, and the attention value of comprehensive performance index of transformer oil of electric locomotive is determined according to the actual test situation, which has a certain guiding function for field detection. With the development of high-speed railway, it is urgent for the railway industry to establish the method of measuring the acid value of transformer oil in accordance with the characteristics of high-speed railway. At present, NB/SH/T0836-2010,GB264-83 method is used to determine acid value of transformer oil and GB/T7304-2014 method is used to determine acid value of petroleum products. In this paper, several methods are compared by non-parametric test and correlation analysis, and the conversion relations of the three methods are determined by non-parametric test and regression analysis.
【学位授予单位】：中国铁道科学研究院
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TE626.3
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