Abstract
This article compares the performance of different detection methods for a single-phase inverter interfacing a distributed energy resource during abnormal transients or failures of the utility electric power system voltage. The performance of the various methods is presented and compared to IEEE Standard 1547-2018 requirements using a physics-based model. Simulation scenarios are created to compare controller responses to intentional islanding and ride-through recommended timing specified in IEEE Standard 1547-2018. Additionally, four voltage abnormality detection methods were implemented in a Field Programmable Gate Array (FPGA)-based controller hardware-in-the-loop simulation and assessed for steady state and transient performance, and FPGA resource utilization. Finally, the physics-based model is validated by experimental measurements on a laboratory prototype with an FPGA-based controller.
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