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Modeling for complex modular power electronic transformers using parallel computing

Feng, Moke, Gao, Chenxiang, Xu, Jianzhong, Zhao, Chengyong and Li, Gen 2022. Modeling for complex modular power electronic transformers using parallel computing. IEEE Transactions on Industrial Electronics 10.1109/TIE.2022.3170623

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Abstract

The modular power electronic transformer (PET) faces difficulty carrying out microsecond-level electromagnetic transient (EMT) simulations. This paper provides a high-speed and high-precision simulation method capable of eliminating the internal nodes and reducing the order of the nodal admittance matrix. Meanwhile, the parallel computing is integrated into the whole solution process, which achieves a significant simulation speedup. A physical prototype is established to prove that the detailed model is sufficient to reflect the dynamics of physical devices. Moreover, simulations in PSCAD/EMTDC are carried out to compare the proposed method with the detailed model in terms of accuracy and time efficiency. Simulation results show that the proposed method is accurate to simulate the external and internal dynamics of PET with hundreds of times simulation speed acceleration.

Item Type: Article
Date Type: Published Online
Status: In Press
Schools: Engineering
Publisher: Institute of Electrical and Electronics Engineers
ISSN: 0278-0046
Date of First Compliant Deposit: 7 June 2022
Date of Acceptance: 13 April 2022
Last Modified: 14 Jun 2022 04:40
URI: https://orca.cardiff.ac.uk/id/eprint/150277

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