Jonathan Cohen, Michael Kane
Islanded microgrids powered by renewable energy require costly energy storage systems due to the uncontrollable generators. Energy storage needs are amplified when load and generation are misaligned on hourly, monthly, or seasonal timescales. Diversification of both loads and generation can smooth out such mismatches. This study presents a controls co-design approach to design an islanded microgrid, demonstrating the benefit of hybridizing tidal and solar generation alongside lithium-ion and flow battery energy storage. The optimization of the microgrid's levelized cost of energy is initially studied in grid-search slices to understand convexity and smoothness, followed by a particle swarm optimization to assess the sensitivity of the hybrid system configuration to variations in component costs. The results indicate that such a hybrid microgrid would currently produce energy at five times the cost of diesel generation, but innovations in flow batteries could reduce this to only twice the cost while utilizing 100% renewable energy. Furthermore, the study highlights the need to model premature battery failure and the importance of applicable battery cost models across varying energy storage durations.
@article{10b978f1-6f75-41e3-988b-bc62d5a4b303,
title={Economic controls co-design of hybrid},
author={Jonathan Cohen and Michael Kane},
year={2020},
language={English}
}TY - JOUR TI - Economic controls co-design of hybrid AU - Jonathan Cohen AU - Michael Kane PY - 2020 LA - English ER -
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