TY - JOUR
T1 - Computational-Efficient Thermal Estimation for IGBT Modules under Periodic Power Loss Profiles in Modular Multilevel Converters
AU - Zhang, Y.
AU - Wang, H.
AU - Wang, Z.
AU - Blaabjerg, F.
PY - 2019/9/1
Y1 - 2019/9/1
N2 - One of the next challenges for modular multilevel converters (MMCs) is how to the size the critical components to their limits with reduced design margins, while at the same time fulfilling the reliability target. To do it confidently, better thermal modeling with quantitative uncertainty analysis is necessary to support the decision-making during the product design stage. Regarding the conversion of long-term mission profiles into thermal profiles for reliability evaluation, this paper proposes a computationally efficient thermal modeling method for insulated-gate bipolar transistor modules in MMCs. The proposed method considers the impact of the inherent thermal unbalance and has minimum computation with quantitative error analysis. Finally, both simulations and experiments have verified the theoretical results.
AB - One of the next challenges for modular multilevel converters (MMCs) is how to the size the critical components to their limits with reduced design margins, while at the same time fulfilling the reliability target. To do it confidently, better thermal modeling with quantitative uncertainty analysis is necessary to support the decision-making during the product design stage. Regarding the conversion of long-term mission profiles into thermal profiles for reliability evaluation, this paper proposes a computationally efficient thermal modeling method for insulated-gate bipolar transistor modules in MMCs. The proposed method considers the impact of the inherent thermal unbalance and has minimum computation with quantitative error analysis. Finally, both simulations and experiments have verified the theoretical results.
KW - Estimation
KW - Computational modeling
KW - Reliability
KW - Insulated gate bipolar transistors
KW - Thermal analysis
KW - Analytical models
KW - Modular multilevel converters
KW - Error analysis
KW - insulated gate bipolar transistors (IGBTs)
KW - modular multilevel converters (MMCs)
KW - reliability
KW - thermal analysis
KW - Error analysis
KW - Insulated-gate bipolar transistors (IGBTs)
KW - Modular multilevel converters (MMCs)
KW - Reliability
KW - Thermal analysis
KW - insulated-gate bipolar transistors (IGBTs)
KW - reliability
KW - modular multilevel converters (MMCs)
KW - thermal analysis
UR - http://www.scopus.com/inward/record.url?scp=85071325237&partnerID=8YFLogxK
U2 - 10.1109/TIA.2019.2925590
DO - 10.1109/TIA.2019.2925590
M3 - Journal article
SN - 0093-9994
VL - 55
SP - 4984
EP - 4992
JO - IEEE Transactions on Industry Applications
JF - IEEE Transactions on Industry Applications
IS - 5
M1 - 8747388
ER -