1. 华北电力大学新能源电力系统国家重点实验室,北京,102206
2. 全球能源互联网研究院有限公司,北京,102209
3. 华北电力大学新能源电力系统国家重点实验室,北京,102206
4. 全球能源互联网研究院有限公司,北京,102209
网络出版:2021-03-25,
纸质出版:2021
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孙志宇, 魏晓光, 赵志斌, 等. 基于Hefner模型的SPT+型IGBT改进通态数学模型[J]. 电子学报, 2021,49(3):492-499.
SUN Zhi-yu, WEI Xiao-guang, ZHAO Zhi-bin, et al. An Improved On-State Analytical Model for the SPT+IGBT Based on Hefner Model[J]. Acta Electronica Sinica, 2021, 49(3): 492-499.
孙志宇, 魏晓光, 赵志斌, 等. 基于Hefner模型的SPT+型IGBT改进通态数学模型[J]. 电子学报, 2021,49(3):492-499. DOI: 10.12263/DZXB.20200117.
SUN Zhi-yu, WEI Xiao-guang, ZHAO Zhi-bin, et al. An Improved On-State Analytical Model for the SPT+IGBT Based on Hefner Model[J]. Acta Electronica Sinica, 2021, 49(3): 492-499. DOI: 10.12263/DZXB.20200117.
新一代增强平面栅软穿通型(Soft Punch Through+,SPT+) IGBT采用了阴极侧载流子浓度增强技术,降低了通态损耗.现有仿真模型大多是基于典型穿通型(Punch Through,PT) IGBT建立的,无法准确描述SPT+型IGBT的通态特性.本文在现有PT模型的基础上,结合SPT+型IGBT的结构特点和工作特性,将基区分为PIN区和PNP区两个部分,对阴极侧载流子分布进行优化,提出一种改进的SPT+型IGBT稳态模型.通过新旧模型的仿真波形与实测波形的对比,验证了改进模型的准确性.
The new generation enhanced planar gate soft through (Soft Punch Through+
SPT+) IGBT adopts the cathode-side carrier concentration enhancement technology
which reduces the on-state loss. Existing simulation models are mostly based on typical Punch Through (PT) IGBTs
which cannot accurately describe the on-state characteristics of SPT+IGBT. Based on the existing PT model and combining the structural and operating characteristics of SPT+IGBTs
this paper divides the base region into two parts
PIN and PNP regions
and optimizes the cathode-side carrier distribution. An improved steady state model for SPT+IGBT is proposed. The accuracy of the improved model is verified by comparing the simulated and measured waveforms of the old and new models.
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