Supplementary Code for Thesis

This repository contains supplementary MATLAB and Simulink files used in the thesis:

SMR--BESS Microgrid for Supplying a Large AI Data Center under Constrained Grid Support

The repository is organized into two main folders:

Repository structure

`Techno Economic Optimization Model/`

This folder contains the MATLAB files and input data used for the annual techno-economic optimization model. The model evaluates:

SMR and BESS capacity sizing
hourly dispatch
grid import under constrained grid support
outage preparedness
planned SMR maintenance
reserve requirements
unserved energy
annualized system cost
scenario and sensitivity results

The optimization model is formulated as a deterministic hourly mixed-integer linear programming model and is solved over a full 8760-hour operating year.

`Microgrid Control/`

This folder contains the Simulink model and MATLAB scripts used for the dynamic microgrid simulations. The dynamic model evaluates selected short-term operating events, including:

grid-connected operation
planned islanding
islanded operation
attempted resynchronization

The dynamic model is a reduced-scale representative model of the SMR--BESS microgrid architecture. It is used to assess voltage, frequency, active-power sharing, breaker behavior, and operating-mode transitions. It should not be interpreted as a full-scale commercial design or as a complete dynamic replication of the annual optimization model.

Notes on model scope

The annual optimization model represents a two-unit SMR fleet in order to evaluate capacity sizing, planned maintenance, and selected N-1 reliability constraints.

The dynamic Simulink model represents the SMR fleet using a single representative SMR-based synchronous generator at reduced scale. This simplification is intentional, as the dynamic model focuses on control behavior and operating transitions rather than full annual capacity sizing or unit-level redundancy.

Software requirements

The models were developed in MATLAB and Simulink. The annual optimization model uses MATLAB optimization functionality, while the dynamic model uses Simulink/Simscape Electrical components.

Exact MATLAB version, toolbox requirements, and any required reference-example files should be checked before reproducing the simulations.

Reproducibility

The annual optimization results can be reproduced by running the main optimization scripts in the Techno Economic Optimization Model/ folder.

The dynamic simulation results can be reproduced by opening the Simulink model in the Microgrid Control/ folder and running the scenario scripts for normal operation, planned islanding, and resynchronization.

Generated cache files, temporary files, and unnecessary intermediate outputs are not included in this repository.

Disclaimer

This repository is provided as supplementary material for academic use. The models are intended for thesis-level analysis of system behavior under defined assumptions and should not be used as validated engineering design tools.

sanderkj/Master

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