A 3D Thermal Network Model for Monitoring Imbalanced Thermal Distribution of Press-Pack IGBT Modules in MMC-HVDC Applications

Yao Chang, Wuhua Li, Haoze Luo, Xiangning He, Francesco Iannuzzo, Frede Blaabjerg and Weixing Lin
Additional contact information
Yao Chang: College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China
Wuhua Li: College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China
Haoze Luo: College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China
Xiangning He: College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China
Francesco Iannuzzo: Department of Energy Technology, Aalborg University, 9220 Aalborg, Denmark
Frede Blaabjerg: Department of Energy Technology, Aalborg University, 9220 Aalborg, Denmark
Weixing Lin: TBEA Sunoasis Company LTD., Urumchi 830011, China

Energies, 2019, vol. 12, issue 7, 1-20

Abstract: In this paper, the impact of a double-sided press-pack insulated-gate-bipolar-transistor (PP IGBT) cooling structure on its thermal impedance distribution is studied and explored. A matrix thermal impedance network model is built by considering the multi-chip thermal coupling effect for the collector side of the PP IGBT. Moreover, a verification has been made by comparing the proposed matrix thermal network model and the conventional lumped RC network model provided by the manufacturer. It is concluded that the collector side has lower thermal resistance and dissipates about 88% of the heat generated by the IGBT chips inside the module. Then, a modular-multilevel-converter high-voltage-direct-current (MMC-HVDC)-based type test setup composed of the press-pack IGBT stacks is established and the junction temperature is calculated with the proposed thermal model and verified by temperature measurements.

Keywords: insulated-gate-bipolar-transistor (IGBT); press-pack; temperature imbalance; modular-multilevel-converter high-voltage-direct-current (MMC-HVDC) (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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