Research on Minimum Switch Loss Modulation Strategy of ANPC

HAO Qi; FENG Xiao-yun

doi:10.13890/j.issn.1000-128x.2014.04.007

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Research on Minimum Switch Loss Modulation Strategy of ANPC

更新时间：2021-12-13

- Research on Minimum Switch Loss Modulation Strategy of ANPC
- Electric Drive for Locomotives Issue 4, Pages: 24-27(2014)
- 作者机构：
  
  1. 西南交通大学电气工程学院
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128x.2014.04.007
  CLC：
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HAO Qi, FENG Xiao-yun. Research on Minimum Switch Loss Modulation Strategy of ANPC. [J]. Electric Drive for Locomotives (4):24-27(2014)
DOI：

HAO Qi, FENG Xiao-yun. Research on Minimum Switch Loss Modulation Strategy of ANPC. [J]. Electric Drive for Locomotives (4):24-27(2014) DOI： 10.13890/j.issn.1000-128x.2014.04.007.

摘要

针对三电平有源钳位逆变器拓扑，介绍了一种减小开关损耗的调制方案。首先分析了各种工作状态下每个功率器件的开关损耗情况；然后基于零序分量注入的载波调制算法，提出了一种动态最小开关损耗载波脉宽调制策略；最后建立仿真模型，逆变器侧分别选取CRH380A型动车组牵引电机以及三相阻感电路作为负载。验证了该拓扑调制方案能有效地降低总开关损耗，均衡损耗在各开关器件上的分布，提高了牵引系统的热稳定性。

Abstract

A new modulation scheme for reducing switching loss was introduced for three-level active neutral-point-clamped (ANPC) inverter topology. The loss in each switch state was analyzed qualitatively; based on zero-order injection carrier-modulation method, a dynamic minimum switching loss modulation scheme was proposed; Simulation model was built to test and verify the applicability of this scheme in controlling the CRH380A EMUs motor and resistance-inductance load. The results showed that this topology modulation scheme reduced the total switching loss, balanced the loss distribution and efficiently improved the thermal stability of traction system.

关键词

三电平有源钳位功率器件开关损耗载波调制热稳定性逆变器

Keywords

three-levelANPCpower deviceswitching losscarrier modulationthermal stabilityinverter

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