Besides, the capital investment cost for PV system installation has been significantly decreased in the past ten years. Indonesia’s archipelago is exposed to sunlight throughout the year without exception, where the solar energy potential in Indonesia may reach 6 kWh/m 2/day.
Lately, one of the massively applied REs in many countries is solar energy through photovoltaic (PV) systems, including in Indonesia. As a result, the proposed control strategy provides lower LCOE while maintaining higher RE penetration than the other control strategies in both locations. The proposed method is implemented at two different systems with different load profiles.
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The optimization objectives are to minimize the Levelized Cost of Energy (LCOE) and maximize the renewable energy (RE) penetration, which can be achieved by prioritizing the BES to supply the load over other available generations and charge the BES every time the generator operates.
The method examines the shortcomings of the other popular control strategies, such as load following, cycle charging, or combination. This paper proposes an optimal BES dispatch (OBD) control strategy that optimizes the power generation components’ sizing. For this, proper sizing of each power generation component is required, one of which is influenced by the applied control strategy. Meanwhile, the diesel generator can be combined with a photovoltaic (PV) system and Battery Energy Storage (BES) system to form a hybrid power generation system to reduce the energy cost and increase renewable energy penetration. Most inhabited islands in Indonesia are powered by expensively known diesel generators and isolated from the primary grid due to either geographical or economic reasons.
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