Research on Over Voltage Suppression Technology of Long Cable Based on Interphase Transformer

Yongjian ZHI; Kangxu LI; Bingquan ZHU; Guanglin YAN; Keliang YUAN; Chen ZHANG

doi:10.13890/j.issn.1000-128x.2021.06.019

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Research on Over Voltage Suppression Technology of Long Cable Based on Interphase Transformer

Reliability Engineering | 更新时间：2022-01-18

- Research on Over Voltage Suppression Technology of Long Cable Based on Interphase Transformer
- Electric Drive for Locomotives Vol. 0, Issue 6, Pages: 135-139(2021)
- 作者机构：
  
  1.中车株洲电力机车研究所有限公司，湖南　株洲　412001
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128x.2021.06.019
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Yongjian ZHI, Kangxu LI, Bingquan ZHU, et al. Research on Over Voltage Suppression Technology of Long Cable Based on Interphase Transformer. [J]. Electric Drive for Locomotives 0(6):135-139(2021)
DOI：

Yongjian ZHI, Kangxu LI, Bingquan ZHU, et al. Research on Over Voltage Suppression Technology of Long Cable Based on Interphase Transformer. [J]. Electric Drive for Locomotives 0(6):135-139(2021) DOI： 10.13890/j.issn.1000-128x.2021.06.019.

摘要

针对碳化硅（SiC）等高速开关器件带来的长电缆过电压问题，分析了长电缆过电压产生原理及其影响因素，提出了一种基于相间变压器的抑制长电缆过电压的方法。通过建模仿真，结合双脉冲试验和BUCK电路试验进行了验证，结果表明该方法对抑制长电缆过电压效果显著。

Abstract

Aiming at the over voltage problem of long cable caused by high-speed switch devices such as silicon carbide, the mechanism of over voltage of long cable and its in fluencing factors were analyzed, and a method of suppressing over voltage of long cable based on interphase transformer was put forward, which was veri fied by modeling simulation, double pulse circuit and buck circuit test. The results showed that the method was effective in suppressing over voltage of long cable obviously.

关键词

PWM脉冲传输线特性阻抗过电压相间变压器仿真

Keywords

PWM pulsetransmission linecharacteristic impedanceover voltageinterphase transformersimulation

references

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