Abstract

This paper discusses FPGA-based power sharing control of a solar PV-powered low-voltage DC (LVDC) nanogrid. The proposed LVDC nanogrid control algorithm monitors power generation, storage, and load power and shifts between sources and load to maintain power balance. The controller effectiveness is studied for varying input and varying load conditions via simulation studies and hardware implementation. A proposed system simulation model with a control algorithm is built into MATLAB and performance analysis is carried out. The power sharing control algorithm and MPPT algorithm are built using Xilinx blocks in MATLAB and programmed into FPGA controller Furthermore, experimentation is carried out on the proposed model to validate the simulation results. Hardware results obtained under different atmospheric and load conditions are presented and discussed.

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