Accurate Evaluation of Cooling System Capability of Three-phase IGBT-based Inverter*

doi:10.23919/CJEE.2021.000007

中国电气工程学报（英文） ›› 2021, Vol. 7 ›› Issue (1): 73-78.doi: 10.23919/CJEE.2021.000007

收稿日期:2021-01-22 修回日期:2021-02-01 接受日期:2021-03-01 发布日期:2021-04-19

Accurate Evaluation of Cooling System Capability of Three-phase IGBT-based Inverter^*

Dan Zheng¹, Puqi Ning^1,2,*, Xiaoguang Chai^1,2, Wei Sun¹, Zhijie Qiu¹, Yuhui Kang¹, Han Cao^1,2, Tao Fan^1,2

1. Institute of Electrical Engineering Chinese Academy of Sciences, Beijing 100190, China;
2. School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing 100049, China

Received:2021-01-22 Revised:2021-02-01 Accepted:2021-03-01 Published:2021-04-19
Contact: * E-mail: npq@mail.iee.ac.cn
Supported by:
* National Key Research and Development Program of China (2016YFB0100600).

摘要/Abstract

关键词: Junction temperature monitoring, IGBT, conduction voltage

Abstract: In this paper, an offline evaluation method for the cooling capability of three-phase insulated-gate bipolar transistor (IGBT) inverters is presented, which can better emulate real working conditions. With a properly designed sudden-stop control sequence, the conventional junction temperature monitoring method at a low current is used to calculate the junction temperature before the sudden stop of an inverter. This can solve the challenging switching loss calculation issue in conventional methods. Finally, the feasibility, control sequence, and electrical behaviors of the proposed method are validated through experimental tests.

Key words: Junction temperature monitoring, IGBT, conduction voltage

. [J]. 中国电气工程学报（英文）, 2021, 7(1): 73-78.

Dan Zheng, Puqi Ning, Xiaoguang Chai, Wei Sun, Zhijie Qiu, Yuhui Kang, Han Cao, Tao Fan. Accurate Evaluation of Cooling System Capability of Three-phase IGBT-based Inverter^*[J]. Chinese Journal of Electrical Engineering, 2021, 7(1): 73-78.

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Accurate Evaluation of Cooling System Capability of Three-phase IGBT-based Inverter^*

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