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https://github.com/otvam/magnetic_components_toolbox_matlab

MATLAB Toolbox for Power Magnetics: Model and Optimization
https://github.com/otvam/magnetic_components_toolbox_matlab

design inductor magnetic-fields matlab modeling optimization power-electronics transformer

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MATLAB Toolbox for Power Magnetics: Model and Optimization

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README 

        
# MATLAB Toolbox for Power Magnetics: Model and Optimization



![license - BSD](https://img.shields.io/badge/license-BSD-green)

![language - MATLAB](https://img.shields.io/badge/language-MATLAB-blue)

![category - power electronics](https://img.shields.io/badge/category-power%20electronics-lightgrey)

![status - unmaintained](https://img.shields.io/badge/status-unmaintained-red)



This **MATLAB toolbox** allows for the **modeling and optimization** of power **magnetic components**:

* medium-frequency **inductors**

* medium-frequency **transformers**

* computation of the **mass and volume**

* extraction of the **equivalent circuit**

* computation of the **core and winding losses**

* **fast and accurate** semi-numerical methods

* plotting of the winding and core geometries

* brute-force **optimization** (parallel code)

* flexible **object-oriented** design



The following methods/functionalities are provided for the **core modeling**:

* iGSE for the core losses (with locally fitted parameters from a loss map)

* linear reluctance solver with 3D air gap models

* multiple air gaps are allowed

* multiphases components are allowed



The following methods/functionalities are provided for the **winding modeling**:

* mirroring method with inductance matrix and field evaluation (with/without air gaps)

* solid wire windings (including skin and proximity losses)

* stranded (Litz) wire windings (including skin and proximity losses)

* multiple air gaps are allowed

* multiphases components are allowed

* model of the winding heads



Currently, the following **components are implemented**:

* inductors and two-winding transformers with shell-type windings

* U-core, C-core, and E-core



However, **additional components** can be added by implementing **abtract classes**.

More specifically, the code could handle the following cases (without modifying the core classes):

* multiphase components (transformers or chokes)

* other winding geometries (core-type, matrix, etc.)

* other core geometries (ELP, RM, etc.)

* distributed airgaps



## Getting Started



Two DC-DC converters are considered as examples:

* a resonant converter (SRC-DCX) with a MF transformer

* a bidirectional Buck converter (Buck DC-DC) with a MF inductor



Both converteres are operating between 400V and 100V buses with a rated power of 5kW.

The component geometry (core and windings) and the operating frequency are optimized.



The example consists of the following files:

* resonant converter (SRC-DCX) with a MF transformer

    * [run_src_dcx_1_single.m](run_src_dcx_1_single.m) - modelization of a single design

    * [run_src_dcx_2_combine.m](run_src_dcx_2_combine.m) - brute-force optimization of the component

    * [run_src_dcx_3_plot.m](run_src_dcx_3_plot.m) - optimization results (Pareo fronts

* bidirectional Buck converter (Buck DC-DC) with a MF inductor

    * [run_buck_dcdc_1_single.m](run_buck_dcdc_1_single.m) - modelization of a single design

    * [run_buck_dcdc_2_combine.m](run_buck_dcdc_2_combine.m) - brute-force optimization of the component

    * [run_buck_dcdc_3_plot.m](run_buck_dcdc_3_plot.m) - optimization results (Pareo fronts)

* [example_files](example_files) - definition of the parameters, materials, and waveforms



## Gallery



### Buck DC-DC Inductor





    

    




### SRC-DCX Transformer





    

    




### Pareto Fronts





    

    




## Toolbox Organization



The power magnetic toolbox contains the following packages:

* [add_path_mag_tb.m](magnetic_toolbox/add_path_mag_tb.m) - add the toolbox to the MATLAB path

* [core](magnetic_toolbox/core) - core reluctance and core losses

    * [core/README.txt](magnetic_toolbox/core/README.txt) - package documentation

    * [core/DATA_STRUCT.txt](magnetic_toolbox/core/DATA_STRUCT.txt) - data format documentation

    * [core/core_class.m](magnetic_toolbox/core/core_class.m) - main class

    * [core/core_lib](magnetic_toolbox/core/core_lib) - package internal classes

    * [core/core_example](magnetic_toolbox/core/core_example) - example/test files

* [window](magnetic_toolbox/window) - winding window stray field and winding losses

    * [window/README.txt](magnetic_toolbox/window/README.txt) - package documentation

    * [window/DATA_STRUCT.txt](magnetic_toolbox/window/DATA_STRUCT.txt) - data format documentation

    * [window/window_class.m](magnetic_toolbox/window/window_class.m) - main class

    * [window/window_lib](magnetic_toolbox/window/window_lib) - package internal classes

    * [window/window_example](magnetic_toolbox/window/window_example) - example/test files

* [component](magnetic_toolbox/component) - simulation of complete components (inductor or transformer)

    * [component/README.txt](magnetic_toolbox/component/README.txt) - package documentation

    * [component/DATA_STRUCT.txt](magnetic_toolbox/component/DATA_STRUCT.txt) - data format documentation

    * [component/component_class.m](magnetic_toolbox/component/component_class.m) - main class

    * [component/component_lib](magnetic_toolbox/component/component_lib) - package internal classes

    * [component/component_example](magnetic_toolbox/component/component_example) - example/test files

* [sweep](magnetic_toolbox/sweep) - simulation of design sweeps (brute-force optimization)

    * [sweep/README.txt](magnetic_toolbox/sweep/README.txt) - package documentation

    * [sweep/get_sweep_single.m](magnetic_toolbox/sweep/get_sweep_single.m) - simulating a single parameter combination

    * [sweep/get_sweep_combine.m](magnetic_toolbox/sweep/get_sweep_combine.m) - simulating a many parameter combinations

    * [sweep/sweep_lib](magnetic_toolbox/sweep/sweep_lib) - package internal functions

    * [sweep/sweep_example](magnetic_toolbox/sweep/sweep_example) - example/test files



## Compatibility



* Tested with MATLAB R2015b and R2021a.

* Parallel Computing Toolbox.

* Compatibility with GNU Octave not tested but probably problematic.



## Author



**Thomas Guillod** - [GitHub Profile](https://github.com/otvam)



This toolbox shares some files/ideas with the following repositories:

* [mirroring_method_matlab](https://github.com/ethz-pes/mirroring_method_matlab) - ETH Zurich, Power Electronic Systems Laboratory, T. Guillod, BSD License

* [litz_wire_losses_fem_matlab](https://github.com/ethz-pes/litz_wire_losses_fem_matlab) - ETH Zurich, Power Electronic Systems Laboratory, T. Guillod, BSD License



## License



This project is licensed under the **BSD License**, see [LICENSE.md](LICENSE.md).