Computational simulations using collected data from a photovoltaic plant support the conclusions and discussions on the achieved benefits. Experimental tests on a bench prototype with electronified batteries are carried out to proof the central concept of the proposed solution. The presented results show that overcoming inherent limitations found in passively connected battery banks makes it possible to extend the system’s useful life and the total amount of dispatched energy by more than 50%. The proposed scheme allows the individualized control of the power flow, enabling the use of batteries with different ages, technologies or degradation states in a same BESS. The present research work proposes the use of storage systems based on actively connected batteries with power electronics support. Despite the clear benefits of this strategy, the service life of the battery energy storage system (BESS) is a driving factor for economic feasibility. Most of the current solutions use solar energy as a power source and chemical batteries as energy storage elements. These systems store energy during off-peak hours, releasing it for usage during high consumption periods. Peak load shaving using energy storage systems has been the preferred approach to smooth the electricity load curve of consumers from different sectors around the world.
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