Inverter-Based Resources: Challenges & Opportunities

Ride-through in Grid Forming Mode Challenges • • Not many inverter companies are well- positioned to address these wide ride-through curves in GFM. Challenges with robust ride-through from different IBR manufacturers, particularly either low-voltage fault or frequency ride-through. Limited research is available on how IBRS respond to faults in GFM, especially asymmetrical faults. Opportunities • • Collaborate with IBR vendors on research to address these challenges. Analyze and publish fault data to inform probabilities of encountering different fault scenarios and inform ride-through curve requirements. 5 aes

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