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Battery energy storage (BES) plays an important role for mitigation of microgrids power imbalance induced by the intermittency of renewable sources and load changes. Due to high capital cost, optimal sizing of BES is crucial for economic operation of a microgrid. Conventionally, the optimal sizing of a BES is determined without considering the operating range of battery stored energy under varying...
This paper presents the implementation of a hardware-in-the-loop simulation (HIL) workbench for hybrid AC/DC micro grid. The hybrid AC/DC micro grid integrates both distributed sources and loads in AC/DC systems to respective links directly. For DC system, photovoltaic arrays with boost converter (PVBC), battery with bi-directional DC/DC converter and DC loads are covered. Diesel generator (DGs) and...
This paper presents a probabilistic approach in the modeling of stand-alone microgrids to predict their operational adequacy performance considering uncertainty of energy storage system (ESS), photovoltaic system (PVS) and conventional generator (CG). Instead of using the daily or hourly time step, operating period a minutely time step is considered to incorporate the effect of fast ramp up/down of...
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