双面冷却IGBT电源模块结温的大电流在线测量

Q1 Engineering

Chinese Journal of Electrical Engineering Pub Date : 2022-12-01 DOI:10.23919/CJEE.2022.000042

Xiaoguang Chai;Puqi Ning;Han Cao;Dan Zheng;Huakang Li;Yunhao Huang;Yuhui Kang

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引用次数: 0

摘要

本研究的目的是利用大电流下的导通电压，实现对双面冷却绝缘栅双极晶体管(IGBT)功率模块结温的在线监测，以最大限度地提高IGBT功率芯片的利用率。在线结温测量对于提高带IGBT逆变器的可靠性、提高电动汽车电机控制器的功率密度、降低电动汽车成本具有重要作用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Online Junction Temperature Measurement of Double-sided Cooling IGBT Power Module through On-state Voltage with High Current

The aim of this study is to achieve online monitoring of the junction temperature of double-sided-cooling insulated gate bipolar transistor (IGBT) power modules by using the on-state voltage under a high current to maximize the utilization of IGBT power chips. Online junction temperature measurement plays an important role in improving the reliability of the inverter with IGBT, increasing the power density of the motor controller of electric vehicles, and reducing the cost of electric vehicles.

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