Synchronous SHEPWM Modulation Method for Dynamic Performance of Locomotive Traction Motor

LI Guibin; LI Yongdong; ZHENG Zedong; TANG Mengting

English Version Reader LoginJournal Login

您当前的位置：

首页 >

文章列表页 >

Synchronous SHEPWM Modulation Method for Dynamic Performance of Locomotive Traction Motor

更新时间：2025-12-08

- Synchronous SHEPWM Modulation Method for Dynamic Performance of Locomotive Traction Motor
- Vol. 45, Issue 6, Pages: 1803-1810(2019)
- 作者机构：
  
  1. 新疆大学电气工程学院
  2. 电力系统及发电设备控制和仿真国家重点实验室
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published Online：30 June 2019，
  
  Published：2019
- 稿件说明：
移动端阅览
LI Guibin, LI Yongdong, ZHENG Zedong, et al. Synchronous SHEPWM Modulation Method for Dynamic Performance of Locomotive Traction Motor[J]. 2019, 45(6): 1803-1810.
DOI：

LI Guibin, LI Yongdong, ZHENG Zedong, et al. Synchronous SHEPWM Modulation Method for Dynamic Performance of Locomotive Traction Motor[J]. 2019, 45(6): 1803-1810. DOI：

摘要

为了提高电力机车牵引电机控制及调制方法下的动态性能。提出了一种同步SHEPWM调制方法下提高动态性能的新方法

该方法将提前计算好开关角存储在控制器中

随着调制度的增加开关角改变

新的开关角是通过多段、微距线性插值的方式得到的

这样得到的开关角度更加精确。同时

基波频率变化时载波频率也随着变化

保证载波比为6的倍数

采用15分频的方式来得到载波频率

能保证稳态下SHEPWM脉冲正负半波对称和1/4周期对称。提出的由SHEPWM 7切换至SHEPWM 5、SHEPWM 3

然后由SHEPWM 1到方波的调制方式

可以增加系统的切换性能。在电机小功率平台上进行了实验

实验结果表明了该方法的可行性、整个动态过程效果明显、各调制方式之间切换平滑、能够自然过渡到6脉波模式。该方法可以作为机车牵引调制策略。

Abstract

In order to improve the performance of motor in traction application

we propose a method using synchronous SHEPWM modulation. The switching angles is stored in the chips. When the modulation index changes

the switching angles

which are got by micro-distance linear interpolation way

will change too. Therefore

the switching angles are more precise. Meanwhile

when the carrier frequency changes

the fundamental frequency will also change so as to ensure that the carrier frequency is 6 times the fundamental frequency. The carrier frequency got from the way of 15-division can guarantee the symmetry between positive half-wave

negative half-wave

and 1/4 cycle. The proposed changing way from SHEPWM（7） to SHEPWM（5）

SHEPWM（3）

SHEPWM（1） to a six-step mode can improve the performance of changing. The experimental results demonstrate the feasibility of this method

the entire dynamic performance is obvious

smooth switching between modulation schemes can transit to the six-step mode automatically. The method can be used as traction modulation strategy.

关键词

Keywords

references

Views

下载量

CSCD

Alert me when the article has been cited

提交

Tools

Publicity Resources

Application of Improved Synchronous SVM Over-modulation in Locomotive Traction Permanent Magnet Synchronous Motor

Related Author

LI Guibin

LI Yongdong

ZHENG Zedong

TANG Mengting

WANG Weiqing

Related Institution

College of Electrical Engineering, Xinjiang University

State Key Laboratory of Control and Simulation of Power System and Generation Equipment, Tsinghua University

AI问答

⁰