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Energies 2018, 11(2), 396;

Dynamic Analysis of a Hybrid Energy Storage System (H-ESS) Coupled to a Photovoltaic (PV) Plant

Department of Engineering, University of Perugia, Via G. Duranti 1/A4, 06125 Perugia, Italy
VGA Srl, Via dell’Innovazione SNC, 06053 Deruta, Italy
Umbra Cuscinetti SpA, Via V. Baldiccini 1, 06034 Foligno, Italy
ERA Electronic Systems Srl, Via G. Benucci 206, 06135 Perugia, Italy
QFP Srl, Via Gullotti 31, 06049 Spoleto, Italy
Author to whom correspondence should be addressed.
Received: 10 January 2018 / Revised: 31 January 2018 / Accepted: 2 February 2018 / Published: 8 February 2018
(This article belongs to the Section Energy Storage and Application)
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Nowadays energy storage is strongly needed to allow grid safety and stability due to the wide penetration of renewable plants. Mainly economic and technological issues impede a relevant integration of conventional storage devices in the energy system. In this scenario, the hybridization of different storage technologies can be a techno-economic solution useful to overcome these issues and promote their diffusion. Hybridization allows multi-operation modes of the Energy Storage System (ESS), merging the positive features of base-technologies and extending their application ranges. This paper provides a dynamic analysis of a hybrid energy storage system (H-ESS) consisting of a flywheel and a battery pack coupled to a photovoltaic generation plant and a residential load up to 20 kW. A dynamic model of the overall micro-grid (MG) was developed implementing the H-ESS preliminary sizing and a suitable management algorithm. The instantaneous behavior of each component was evaluated. A brief summary of the MG performance at different weather and load conditions was provided together with a characterization of the impact of power fluctuations on the battery current and on the power exchange with the grid. View Full-Text
Keywords: load management; micro-grid; battery; flywheel; simulations load management; micro-grid; battery; flywheel; simulations

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Barelli, L.; Bidini, G.; Bonucci, F.; Castellini, L.; Castellini, S.; Ottaviano, A.; Pelosi, D.; Zuccari, A. Dynamic Analysis of a Hybrid Energy Storage System (H-ESS) Coupled to a Photovoltaic (PV) Plant. Energies 2018, 11, 396.

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