An Impedance-Power Droop Method for Accurate Power Sharing in Islanded Resistive Microgrids

作者: Reza Razi , Hossein Iman-Eini , Mohsen Hamzeh

DOI: 10.1109/JESTPE.2019.2926319

关键词:

摘要: In this paper, a novel and simple control strategy is proposed for parallel inverters in islanded resistive low voltage (LV) microgrids. the algorithm, first, effect of inherent inverter impedance removed by proper feedforward term. By eliminating impedances, power sharing affected only microgrid line impedances. Then, new impedance-power droop based on virtual impedance. The method can accurately share load power, without recognition parameters high-bandwidth communication links. controller are designed systematically nominal approximated lines. Also, stability whole closed-loop system, including droop, evaluated. Finally, simulation experimental results confirm feasibility scheme its application, even presence local loads more than two inverters.

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