Sandia Energy > Programs > Electric Grid > Advanced Grid Modeling > Power System Protection Protective relaying is a critical aspect of the electric power grid to provide safe and reliable operation. Sandia is working to improve power system protection to make it faster and more accurate by developing novel cutting-edge protection techniques. Fault testing of inverters in Sandia’s DETL facilityElectromagnetic Transient (EMT) simulation and models of inverter-based resources (IBR)Advanced microgrid protection schemes for AC, DC, hybrid, and networked microgridsDeveloping, validating, and demonstrating highly reconfigurable communication-based protection schemes, including Adaptive ProtectionFault location schemes for systems with high IBR penetrationTraveling wave and very high frequency protectionHardware-in-the-loop testing with commercial relaysCybersecurity of protection relaysDevelopment of protection algorithms into ADMSIncipient failure detectionWildfire ignition preventionIncorporating machine learning and artificial intelligence into relaysCo-optimization of power electronics design/controls with protectionProtection of low-voltage secondary networks Contact Matthew Reno mjreno@sandia.gov