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Supplementary materials: Comparison of Three-Winding Transformer Model Extraction Using FEMM and COMSOL Multiphysics®
- Citation Author(s):
- Submitted by:
- Denys Zaikin
- Last updated:
- Mon, 09/30/2024 - 05:16
- DOI:
- 10.21227/gf9f-9s48
- License:
- Categories:
- Keywords:
Abstract
This research focuses on simulating a transformer
using electromagnetic field solver software: FEMM and COMSOL
Multiphysics®. These tools are used to simulate and extract
the model of a three-winding transformer. The primary objective
of the extracted model is to predict key magnetic parameters,
such as leakage and magnetizing inductances. These inductances
play a critical role in switch-mode power converter topologies,
ensuring proper operation and achieving high efficiency through
zero-voltage or zero-current switching. In this study, the transformer,
based on an ER28/14/11 core, is simulated using both
FEMM and COMSOL, with the resulting models compared
to each other and experimental measurements. FEMM is a
free, 2D solver, while COMSOL is a commercial, 3D solver.
This research aims to evaluate the feasibility of using the noncommercial
FEMM tool to simulate complex transformer core
shapes. Transformations of the E, ER, and ETD core types for
simulation in both 2D axis-symmetric and planar problem types
are also proposed.
Supplementary materials: Comparison of Three-Winding Transformer Model Extraction Using FEMM and COMSOL Multiphysics®
COMSOL
FEMM
LTspice
Maxima