电力机车牵引变流器的线路振动测试及载荷谱归纳

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振动与冲击 ›› 2022, Vol. 41 ›› Issue (15) : 252-262.

论文

丁杰，尹亮

作者信息 +

Line vibration tests and load spectrum induction of traction converter of electric locomotive

DING Jie, YIN Liang

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文章历史 +

摘要

针对部分型号电力机车牵引变流器功率模块故障率高的问题，首先开展电力机车车辆设备的振动试验标准研究，然后开展迎水桥、兰州等机务段的实际线路运行振动测试，获得HXD1、HXD1B、HXD2等型电力机车牵引变流器功率模块的振动特性，并与IEC 61373标准进行对比分析，最后基于载荷谱归纳理论得到牵引变流器及其部件的实测载荷谱。研究结果表明：HXD1、HXD1C型电力机车牵引变流器功率模块的振动分为30~80Hz的低频振动和700~1600Hz的高频振动，加速度有效值普遍超出其他型号电力机车，超过IEC 61373标准值；HXD1型电力机车在迎水桥-武威线路运行时，功率模块的偏斜度接近于0，归零化峭度在2.39~4.03范围，属于超高斯振动；功率模块实测载荷谱与IEC 61373标准功能试验载荷谱差异显著。线路振动测试及载荷谱归纳可为电力机车牵引变流器的振动特性分析及可靠性研究提供理论基础。
关键词：电力机车；牵引变流器；振动；载荷谱；归纳

Abstract

Aiming at the problem of high failure rate of traction converter power module for some types of electric locomotive, the vibration test standard of electric locomotive equipment is studied firstly, and then the actual line operation vibration test of Yingshuiqiao, Lanzhou and other locomotive depots is carried out. The vibration characteristics of traction converter power module of HXD1, HXD1B, HXD2 and other types of electric locomotive are obtained. Finally, based on the induction theory of load spectrum, the measured load spectrum of traction converter and its components is obtained. The research results show that the vibration of traction converter power module of HXD1 and HXD1C electric locomotives is divided into low frequency vibration of 30~80Hz and high frequency vibration of 700~1600Hz, and the effective value of acceleration is generally higher than that of other types of electric locomotives, exceeding the standard value of IEC 61373. When HXD1 electric locomotive runs on Yingshuiqiao - Wuwei line, the skewness of power module is close to 0, and the return to zero kurtosis is in the range of 2.39~4.03, which belongs to super Gaussian vibration. There is a significant difference between the measured load spectrum of power module and the load spectrum of IEC 61373 standard function test. Line vibration test and load spectrum induction can provide theoretical basis for vibration characteristic analysis and reliability research of traction converter of electric locomotive.
Key words: electric locomotive; traction converter; vibration; load spectrum; induce

导出引用

丁杰，尹亮. 电力机车牵引变流器的线路振动测试及载荷谱归纳[J]. 振动与冲击, 2022, 41(15): 252-262

DING Jie, YIN Liang. Line vibration tests and load spectrum induction of traction converter of electric locomotive[J]. Journal of Vibration and Shock, 2022, 41(15): 252-262

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