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[1]周雒维,张益,王博.一种基于调节缓冲电容的IGBT 热管理方法[J].电机与控制学报,2019,23(04):28-36.[doi:10.15938/j.emc.2019.04.004]
 ZHOU Luo-wei,ZHANG Yi,WANG Bo. IGBT thermal management method based on snubber capacitor[J].,2019,23(04):28-36.[doi:10.15938/j.emc.2019.04.004]
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一种基于调节缓冲电容的IGBT 热管理方法
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《电机与控制学报》[ISSN:1007-449X/CN:23-1 408/TM]

卷:
23
期数:
2019年04
页码:
28-36
栏目:
出版日期:
2019-04-15

文章信息/Info

Title:
 IGBT thermal management method based on snubber capacitor
作者:
 周雒维 张益 王博
 ( 重庆大学输配电装备及系统安全与新技术国家重点实验室,重庆400044)
Author(s):
 ZHOU Luo-wei ZHANG Yi WANG Bo
 ( State Key Laboratory of Power Transmission Equipment & System Security and New Technology,Chongqing University,Chongqing 400044,China)
关键词:
绝缘栅双极型晶体管 热管理 缓冲电容 关断轨迹 损耗
Keywords:
  insulated gate bipolar transistor thermal management snubber capacitor turn-off trajectoryloss
分类号:
TM 46
DOI:
10.15938/j.emc.2019.04.004
文献标志码:
A
摘要:
针对结温波动加快绝缘栅双极型晶体管( IGBT) 老化失效的问题,提出一种基于调节缓冲电容改变IGBT 关断轨迹的热管理方法。依据IGBT 寿命模型,通过关断轨迹调节关断损耗大小以平滑结温波动的方法能提高IGBT 使用寿命。与现有的热管理方法相比,该方法具有对主电路影响小、实现简单等优点。首先,阐述热管理电路的工作原理,分析缓冲电路对IGBT 关断损耗的影响。然后,建立IGBT 损耗计算模型,归纳关断轨迹热管理调节能力的评估方法,以1. 2 MW 直驱风机系统为例,关断轨迹热管理可以平滑20% 额定功率的负载变化造成的结温波动。最后,对该热管理方法进行小功率的实验验证。
Abstract:
  Aiming at the problem that the junction temperature fluctuation accelerates the aging failure of the insulated gate bipolar transistor ( IGBT) ,a thermal management method based on adjusting the snubber capacitor to change the IGBT turn-off trajectory is proposed. According to the IGBT life model,the method of adjusting the turn-off loss by turning off trace to smooth the junction temperature fluctuation can improve the service life of the IGBT. Compared with the existing methods,this method has little influence on the main circuit and is easy to be implemented. The working principle of thermal management circuit was described,and the effect of snubber circuit to the loss of IGBT was analyzed. IGBT loss calculation model was established and the evaluation method for the thermal management adjustment ability of the turn-off trajectory was summarized. Taking 1. 2 MW direct wind turbine system as an example,20% load fluctuation can be smoothed by the thermal management. Finally,the experiment verification is done in a low power inverter.

参考文献/References:

相似文献/References:

[1]汪波,胡安,唐勇,等.基于电热模型的IGBT结温预测与失效分析[J].电机与控制学报,2012,(08):87.
 WANG Bo,HU An,TANG Yong.Junction temperature forecast and failure analysis of IGBT based on electro-thermal model[J].,2012,(04):87.

备注/Memo

备注/Memo:
收稿日期: 2017 - 03 - 21
基金项目: 国家自然科学基金重点项目( 51137006) ; 重庆大学2015 年研究生科研创新项目基金( CYB15034)
作者简介: 周雒维( 1954—) ,男,博士,教授,研究方向为电力电子计算、电路理论及应用;
张益( 1992—) ,男,硕士,研究方向为功率器件可靠性;
王博( 1988—) ,男,博士,研究方向为变流器热管理。
通信作者: 张益
更新日期/Last Update: 2019-05-30