Material Selection Analysis of Rail Grinding Train Isolation Transformer Core

Xiangling CHEN; Xiyou HUANG

doi:10.13890/j.issn.1000-128x.2019.06.111

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Material Selection Analysis of Rail Grinding Train Isolation Transformer Core

Research & Development | 更新时间：2021-12-13

- Material Selection Analysis of Rail Grinding Train Isolation Transformer Core
- Electric Drive for Locomotives Issue 6, Pages: 100-102(2019)
- 作者机构：
  
  1.湖南铁道职业技术学院，湖南　株洲　412001
  2.中车株洲电机有限公司，湖南　株洲　412001
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128x.2019.06.111
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Xiangling CHEN, Xiyou HUANG. Material Selection Analysis of Rail Grinding Train Isolation Transformer Core. [J]. Electric Drive for Locomotives (6):100-102(2019)
DOI：

Xiangling CHEN, Xiyou HUANG. Material Selection Analysis of Rail Grinding Train Isolation Transformer Core. [J]. Electric Drive for Locomotives (6):100-102(2019) DOI： 10.13890/j.issn.1000-128x.2019.06.111.

摘要

根据双动力钢轨打磨车打磨电机的供电系统电路，提出了供电电源对隔离变压器铁心选材的要求。通过实测30Q130硅钢片在120 Hz频率下，磁密为1.2 T, 1.3 T, 1.4 T时的损耗值，分析了铁心损耗与磁密的关系。根据30Q130, 23JGH100和B20R070等硅钢片的铁心损耗曲线，分析计算了采用3种不同硅钢片时的铁心表面温升。通过比较3种铁心材料的磁密、损耗与温升数值，确定了隔离变压器的铁心材料和磁密。

Abstract

According to the circuit of power supply system for grinding motor of double power rail grinding train, the requirement of selecting material for isolating transformer core was put forward. The relationship between core loss and magnetic density was analyzed by measuring the loss values of 30Q130 silicon steel sheet with magnetic density of 1.2 T, 1.3 T and 1.4 T at 120 Hz frequency. Based on core loss curves of 30Q130 silicon steel sheet, 23JGH100 silicon steel sheet and B20R070 silicon steel sheet, the surface temperature rise of iron core when three kinds of silicon steel sheet were used is analyzed and calculated. By comparing the values of magnetic density, loss and temperature rise of three kinds of core materials, the core materials and magnetic density of isolating transformer were determined.

关键词

隔离变压器磁通密度温升铁心损耗硅钢片

Keywords

isolating transformermagnetic densitytemperature risecore losssilicon steel sheet

references

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赵彩凤, 于志, 王智勇. 高频功率脉冲变压器设计[J]. 变压器, 2003, 40(10): 6-8.

廖保华, 钟福兵, 黄细友. HXD1B电力机车用300 kVA辅助变压器研制[J]. 机车电传动, 2011 (4): 17-19.

保定天威保变电气股份有限公司. 变压器试验技术[M]. 北京: 机械工业出版社, 2010.

杨治业, 王立群, 杜建嵩. 油浸式电力变压器的温升试验及计算方法[J]. 变压器, 2001, 38(6): 15-20.

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