Optimal design of minimal footprint high frequency transformer
Transformer design procedure may vary essentially in respect of the transformer type and its operating frequency (ranging between 50/60 Hz and a few megahertz). This paper presents a simple and straightforward method based on the optimal choice of core geometry of a high frequency transform...
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| Autores principales: | , |
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
Faculty of Technical Sciences in Cacak
2021
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/40f24805fb884953b0f51e4124857323 |
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| Sumario: | Transformer design procedure may vary essentially in respect of the
transformer type and its operating frequency (ranging between 50/60 Hz and a
few megahertz). This paper presents a simple and straightforward method
based on the optimal choice of core geometry of a high frequency transformer
(HFT) used in Solid State Transformer (SST) applications. The core of SST is
the HFT which largely influences its size and overall performance. The
proposed design procedure for HFT focuses on optimizing the core geometry
coefficient (in cm5) with a constraint inflicted on loss density. The core
geometry coefficient has direct impact on the regulation and copper loss and
the procedure results in a robust overall design with minimal footprint.
Also, the procedure intends to bring all the operating parameters like
regulation, losses and temperature rise within permissible limits while
retaining desired efficiency. Thus an energy-efficient design is achieved
with minimal footprint. The optimization procedure is implemented using
recently developed Moth-flame Optimization (MFO) algorithm. The results of
the MFO algorithm are compared with the wellestablished PSO technique. An
experimental prototype is built to validate the findings. |
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