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Modeling for Complex Modular Power Electronic Transformers Using Parallel Computing
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DOI：10.1109/TIE.2022.3170623.png)
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Abstract
En 中文
The modular power electronic transformer (PET) faces difficulty carrying out microsecond-level electromagnetic transient simulations. This article 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 (DM) is sufficient to reflect the dynamics of physical devices. Moreover, simulations in PSCAD/EMTDC are carried out to compare the proposed method with the DM 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.
Keywords:
Electromagnetic transient (EMT) modeling
order reduction of matrices
parallel computing
power electronic transformer (PET)
Journal
IF:
7.2
Papers:
1.8W
Citations:
9.8W