<![CDATA[The increasingly apparent limitations of fossil fuel sources are driving the increased use of unstable and intermittent renewable energy sources. To maintain a continuous supply of electrical energy, energy storage systems such as batteries are a crucial component. However, the output voltage from the energy source or storage device does not always match the voltage required by the load. Therefore, a power electronics circuit in the form of a bidirectional DC-DC converter is required, capable of regulating the power flow in both directions: from the source to the battery (charging) and from the battery to the load (discharging). In this research, a bidirectional DC-DC converter system was developed, equipped with a Proportional-Integral (PI) controller to regulate the output voltage to match the setpoint voltage. Simulation results show that the designed system is capable of maintaining a stable output voltage and in accordance with the reference value, both under conditions of load changes and resource fluctuations. This system is expected to support the development of an efficient, adaptive, and sustainable electricity grid.]]>
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