高压大功率IGBT器件温度系数校准方法研究

doi:10.11930/j.issn.1004-9649.201910055

中国电力 ›› 2021, Vol. 54 ›› Issue (8): 109-117.DOI: 10.11930/j.issn.1004-9649.201910055

高压大功率IGBT器件温度系数校准方法研究

陈杰¹, 邓二平^1,2, 赵子轩¹, 应晓亮¹, 黄永章^1,2

1. 新能源电力系统国家重点实验室（华电电力大学），北京 102206;
2. 华电（烟台）功率半导体技术研究院有限公司，山东烟台 264006

收稿日期:2019-10-15 修回日期:2020-02-06 发布日期:2021-08-05
作者简介:陈杰(1994-),男,博士研究生,从事高压大功率IGBT器件结温准确测量及可靠性评估,E-mail:huadianchenjie@163.com;邓二平(1989-),男,通信作者,博士,讲师,从事高压大功率IGBT器件封装及可靠性研究,E-mail:dengerpinghit@163.com
基金资助:
国家自然科学基金资助项目(52007061)

Calibration Methods for Junction Temperature Measurement of High Power IGBT Modules

CHEN Jie¹, DENG Erping^1,2, ZHAO Zixuan¹, YING Xiaoliang¹, HUANG Yongzhang^1,2

1. State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources (North China Electrical Power University), Beijing 102206, China;
2. NCEPU (Yantai) Power Semiconductor Technology Research Institute Co., Ltd., Yantai 264006, China

Received:2019-10-15 Revised:2020-02-06 Published:2021-08-05
Supported by:
This work is supported by the National Natural Science Foundation of China (No.52007061)

摘要/Abstract

摘要： 结温的准确测量对于功率IGBT器件状态监测和可靠性评估具有重要意义，小电流下饱和压降法作为使用最广泛的结温测量方法被各类测试标准推荐使用，温度系数校准是使用该方法的第一步，也是结温测量的基础。传统的温度系数校准方法对于高压大功率IGBT器件存在适用性和准确性的问题。首先，深入讨论和对比了目前常用的2种温度系数校准系统的精度，并提出了一种基于电磁加热方式的温度系数校准系统，并对其精度进行了验证；其次，对温度系数校准曲线的非线性进行了讨论和分析，指出了全温度范围校准和多项式拟合的必要性，进一步补充了温度系数校准方法，为高压大功率IGBT器件的温度系数校准提供方法指导。

关键词: 高压大功率IGBT器件, 结温测量, 小电流下饱和压降法, 温度系数校准方法, 电磁加热

Abstract: The accuracy junction temperature measurement is of great significance for condition monitoring and reliability assessment of power IGBT devices. The junction temperature measurement method using saturation voltage drop at small current is the most widely used method and is recommended by various test standards. Calibration is the first step of this method and also the basis of junction temperature measurement. The traditional calibration method has the problem of applicability and accuracy for high power IGBT modules. Firstly, the accuracy of two commonly used calibration systems is discussed and compared, and a new calibration system based on electromagnetic heating is proposed, and its accuracy is verified by experiment. Secondly, the non-linearity of calibration curve is discussed and analyzed, and the necessity of calibration at full temperature range and polynomial fitting is pointed out, which further complements the calibration method. This paper can provide a methodology guidance for calibration of high power IGBT modules.

Key words: high power IGBT modules, junction temperature measurement, V_ce(T) method, calibration method, electromagnetic heating

陈杰, 邓二平, 赵子轩, 应晓亮, 黄永章. 高压大功率IGBT器件温度系数校准方法研究[J]. 中国电力, 2021, 54(8): 109-117.

CHEN Jie, DENG Erping, ZHAO Zixuan, YING Xiaoliang, HUANG Yongzhang. Calibration Methods for Junction Temperature Measurement of High Power IGBT Modules[J]. Electric Power, 2021, 54(8): 109-117.

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高压大功率IGBT器件温度系数校准方法研究

Calibration Methods for Junction Temperature Measurement of High Power IGBT Modules

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