Active Voltage Balancing Circuit for the IGBTs Series Connection Based on Enhanced Miller Effect

JIANG Yan1; LUO Yang2; ZHENG Lian-qing2

doi:10.13296/j.1001-1609.hva.2012.04.001

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Active Voltage Balancing Circuit for the IGBTs Series Connection Based on Enhanced Miller Effect

更新时间：2025-04-26

- Active Voltage Balancing Circuit for the IGBTs Series Connection Based on Enhanced Miller Effect
- High VoltageApparatus Vol. 48, Issue 4, Pages: 29-32+38(2012)
- 作者机构：
  
  1. 重庆电力高等专科学校
  2. 重庆大学电气工程学院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2012.04.001
  CLC： TN322.8;TM46
- Published：2012
- 稿件说明：
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[1]蒋燕,罗洋,郑连清.基于增强密勒效应的IGBT串联有源均压新方法[J].高压电器,2012,48(04):29-32+38.

JIANG Yan1, LUO Yang2, ZHENG Lian-qing2. Active Voltage Balancing Circuit for the IGBTs Series Connection Based on Enhanced Miller Effect[J]. High voltageapparatus, 2012, 48(4): 29-32+38.
[1]蒋燕,罗洋,郑连清.基于增强密勒效应的IGBT串联有源均压新方法[J].高压电器,2012,48(04):29-32+38. DOI： 10.13296/j.1001-1609.hva.2012.04.001.

JIANG Yan1, LUO Yang2, ZHENG Lian-qing2. Active Voltage Balancing Circuit for the IGBTs Series Connection Based on Enhanced Miller Effect[J]. High voltageapparatus, 2012, 48(4): 29-32+38. DOI： 10.13296/j.1001-1609.hva.2012.04.001.

摘要

为解决由器件驱动信号不一致引起的多个IGBT串联电压不均衡问题

以实现串联IGBT在大功率高电压场合中的应用

笔者结合功率侧和栅极侧IGBT串联均压辅助电路的优点

提出一种基于增强密勒效应的IGBT串联有源均压辅助电路

并对其工作原理进行了论述。然后

建立IGBT串联仿真电路

对不带和带该均压辅助电路两种情况进行仿真。仿真结果表明

该均压辅助电路在IGBT串联运行时不仅能够很好地抑制IGBT驱动信号不一致造成的电压不均衡

而且能够有效防止过电压的发生

确保了IGBT串联的安全运行。

Abstract

In order to address multiple IGBT in series voltage imbalance problem

which caused by device driver signal is inconsistent

and achieve application of series IGBT in high power and high voltage.Combining the advantage of series auxiliary circuit at IGBT power side and gate side

a balancing auxiliary circuit of IGBT series active voltage of approach based on enhanced Miller effect has been put forward

and the operation principle has been discussed.Then

IGBT series simulation circuits are established

both without and with the balancing auxiliary circuit are simulated.Simulation results show that during IGBT series operating

the balancing auxiliary circuit not only to be able to work well with suppression the imbalanced voltages caused by IGBT drive signal inconsistency

but also can effectively prevent the overvoltage

thus ensures the security of IGBT series operation.

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Related Author

YANG Chao-hui 1

CHEN Zhao-wei 2

LUO Yang 3

YU Yongsheng

FENG Yanhui

JIANG Hongxin

QIU Yingning

YANG Xiaoping

Related Institution

Taizhou Power Plant of Zhejiang

Xiaoshan Power Plant of Zhejiang

The College of Electrical Engineering of Chongqing University

School of Energy and Power Engineering,Nanjing University of Science and Technology

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