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Design and implementation of a predictive current controller applied to regulate a battery bank's power flow connected to a DC microgrid

This paper presents steps of the design and implementation of a digital predictive controller applied to the regulation of the flow of current in a battery bank. The set converter/battery is the energy storage system management of a DC microgrid that will be connected to the grid. Whenever the grid is disconnected from the DC microgrid, it becomes necessary a fast response from the bus's voltage control. Due to its fast response and simple implementation, predictive current controllers are attractive to this sort of application. The control algorithm was implemented in a low cost TIVA EK-TM4C123GXL platform from Texas Instruments and experimental results will be obtained by a 15 kW converter.