Simulation Model of Droop Control in Microgrids

This paper focuses on the simulation model of droop control in microgrids. In our simulation model, we implemented droop control methodology on two micro-sources for experimental validation. Droop control is a widely adopted control strategy in microgrids that maintains system stability and power balance by adjusting the output voltage of individual power sources through proportional power-sharing algorithms. The implementation typically involves frequency-power (P-f) and voltage-reactive power (Q-V) droop characteristics using mathematical relationships like Δf = -k_p × ΔP and ΔV = -k_q × ΔQ. Furthermore, we analyzed the advantages and disadvantages of droop control methods, including their decentralized nature and plug-and-play capability versus potential power quality issues during load transitions. We also examined its application prospects in modern microgrids, particularly for islanded operation modes and renewable energy integration. Through this research, we can better understand the principles and applications of droop control in microgrids, providing references and insights for future microgrid development, including controller tuning parameters and stability boundary conditions.