Mathematical Model for Household Off-Grid Simulation (Off-Grid System Sizing)

Groza, E.; Gicevskis, K.; Linkevics, O.; Kiene, S.

doi:10.2478/lpts-2022-0029

Abstract

The paper presents the results of the research, which was initiated in our previous publication. The main goal of the research is to develop and validate our own multi-objective simulation tool for determination of optimal mix and sizing of off-grid and grid-connected microgrid systems. The first version of the developed model was tailored specifically for simulation of household off-grid system, which consisted of solar photovoltaics (PV), micro wind turbine, electric batteries, and backup power generator. Proposed algorithms are based on simulation of mentioned resources and hourly electric loads of off-grid system with the objective to reduce unsupplied energy volumes and total system costs. Several alternatives were considered with different configurations of the off-grid system and dispatching strategies of available resources. The developed model was validated with calculations of real off-grid system and results were compared to those, which were made in the previous publication, using Homer Pro software.

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Mathematical Model for Household Off-Grid Simulation (Off-Grid System Sizing)

Abstract

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