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This paper investigates the impact of load rejection over-voltage (LRO) from commercially available grid-tied photovoltaic (PV) inverters. LRO can occur when a breaker opens and the power output from a distributed energy resource (DER) exceeds the load. Simplified models of current-controlled inverters can over-predict LRO magnitudes, thus it is useful to quantify the effect through laboratory testing...
This paper demonstrates a novel cosimulation architecture that integrates hardware testing using power hardware-in-the-loop (PHIL) techniques with larger-scale electric grid models using off-the-shelf non-PHIL software tools. This test bed for distributed integration enables utilities to study the impacts of emerging energy technologies on their system and manufacturers to explore the interactions...
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