Addressing voltage sag contribution of an optimally sized Industrial Hybrid Power System

Using a multi-objective sizing framework considering cost and CO2 emission

Master thesis (2023)

Authors

M. Deutman Electrical Engineering, Mathematics and Computer Science

Contributors

P. Bauer DC systems, Energy conversion & Storage - (graduation committee member)

L.M. Ramirez Elizondo DC systems, Energy conversion & Storage - (mentor)

J.J. Alpizar Castillo DC systems, Energy conversion & Storage - (graduation committee member)

M. Cvetkovic Intelligent Electrical Power Grids - (graduation committee member)

G.A. Koolman Royal HaskoningDHV (graduation committee member)

Faculty

Electrical Engineering, Mathematics and Computer Science, Electrical Engineering, Mathematics and Computer Science

Cost Genetic Algorithm - GA CO2 PV NSGA II Medium voltage networks Mosaik Battery Energy Storage System (BESS) Hybrid Power Systems - HPS Enegy Management System - EMS Diesel Generator Voltage Sag

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Published Date

11-09-2023

Language

English

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Faculty

Electrical Engineering, Mathematics and Computer Science

Abstract

This thesis titled "Addressing voltage sag contribution of an optimally sized Industrial Hybrid Power System" introduces a framework for sizing an industrial Hybrid Power System (HPS) to minimise Cost and CO2 emissions relative to connecting the industrial site directly to the grid with the help of a genetic algorithm, specifically NSGA-II. The framework utilises an Energy Management System (EMS) that is based on a rolling average principle which attempts to restrict the change in grid consumption from one time step to the next. The optimally sized configuration and its new grid consumption profile are analysed in the CIGRE MV Distribution Network to assess the effects of the new consumption profile on the bus voltages. The combination of a rolling average-based EMS and an optimal sizing with NSGA-II resulted in a $47\%$ reduction of the CO2 emissions while not worsening the voltage behaviour in the system (with a focus on voltage sag introduced by large loads).

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