Strategy of management of storage systems integrated with photovoltaic systems for mitigating the impact on LV distribution network
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2018-12
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Abstract
This article presents an integrated storage management strategy with photovoltaic systems connected to the grid, to provide voltage regulation and losses reduction in the low voltage feeder, minimising the power supplied by the network upstream of the main transformer. A new control algorithm for battery energy storage systems (BESS) is presented embedding as a battery management algorithm for charging and discharging process. The charging of the storage system is defined by the optimization of the αk coefficient to establish the value of charging threshold power, in a distributed manner, to maximise the use of photovoltaic systems. The discharging process occurs by a given σ coefficient. A standard network model from CIGRE was used for the validation of the management strategy. It was modified with real profiles of load and irradiance with a minute resolution to adapt it to the using of the quasi-static load flow in MATLAB/Simulink. As a result, by integrating 67% of PV along with 442 kWh of BESS with its management algorithm, power import from the grid decreases up to 49.3%.
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Publisher Copyright: © 2018 Elsevier Ltd
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Battery management systems , Energy storage , Photovoltaic systems , Power generation dispatch , Battery management systems , Energy storage , Photovoltaic systems , Power generation dispatch , Energy Engineering and Power Technology , Electrical and Electronic Engineering , SDG 7 - Affordable and Clean Energy , Funding Info , The authors would like to thank the University of the BasqueCountry and TECNALIA for supporting the work done at the Universityof the Basque Country under research grant by the Carolina Foundation. , The authors would like to thank the University of the BasqueCountry and TECNALIA for supporting the work done at the Universityof the Basque Country under research grant by the Carolina Foundation.
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Cortés , A , Mazón , J & Merino , J 2018 , ' Strategy of management of storage systems integrated with photovoltaic systems for mitigating the impact on LV distribution network ' , International Journal of Electrical Power & Energy Systems , vol. 103 , pp. 470-482 . https://doi.org/10.1016/j.ijepes.2018.06.012