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Electronics 2018, 7(9), 177; https://doi.org/10.3390/electronics7090177

Dual Battery Storage System: An Optimized Strategy for the Utilization of Renewable Photovoltaic Energy in the United Kingdom

1
Department of Electrical Engineering, Pusan National University, Busandaehak-ro 63 Beon-gil 2, Busan 46241, Korea
2
Department of Cogno-Mechatronics Engineering, Pusan National University, Busandaehak-ro 63 Beon-gil 2, Busan 46241, Korea
*
Author to whom correspondence should be addressed.
Received: 15 August 2018 / Revised: 2 September 2018 / Accepted: 5 September 2018 / Published: 7 September 2018
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Abstract

The increasing world human population has given rise to the current energy crisis and impending global warming. To meet the international environmental obligations, alternative technological advances have been made to harvest clean and renewable energy. The solar photovoltaics (PV) system is a relatively new concept of clean technology that can be employed as an autonomous power source for a range of off-grid applications. In this study, the dual battery storage system is coupled with a solar PV system and a low voltage grid, benefitting from the feed-in tariff (FIT) policy. The main outcomes of this study are: (I) A novel dual battery storage system for the optimal use of the PV system/energy is proposed; (II) The problem is formulated in the form of a mathematical model, and a cost function is devised for effective cost calculation; (III) An optimal cost analysis is presented for the effective use of PV energy; (IV) real-time data of a solar PV taken from the owner and the demand profile collected from the user is applied to the proposed approach, with United Kingdom (UK) tariff incentives. This system works in a loop by charging one system from the solar PV for one day, and discharging the other system. This model gives certainty that power is exported to the grid when the solar PV generates an excess amount; batteries are utilized during the peak hours, and power is purchased when the demand is not met by the batteries, or when the demand is higher than the generation. This study examined the economic knowledge of solar PV and battery storage systems by considering the FIT incentives. View Full-Text
Keywords: solar PV; feed-in tariff; battery storage system; demand profile solar PV; feed-in tariff; battery storage system; demand profile
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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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Nengroo, S.H.; Kamran, M.A.; Ali, M.U.; Kim, D.-H.; Kim, M.-S.; Hussain, A.; Kim, H.J. Dual Battery Storage System: An Optimized Strategy for the Utilization of Renewable Photovoltaic Energy in the United Kingdom. Electronics 2018, 7, 177.

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