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Universal Passive Synchronization Method for Grid-Forming Inverters Without Mode Transition
Power systems are transforming with increasing levels of inverter-based resources (IBRs). This transformation requires critical roles of grid-forming (GFM) inverters replacing synchronous generators for bulk power system stabilization and ancillary services, also allowing flexible...
Chang, H. et al NLR
Dec 31, 2022
Microgrid Program Strategy
The Strategy development process began with microgrid experts deliberating on areas the Strategy should focus on for impactful results. These deliberations led to the development of seven strategic white papers, one for each of the six strategic RandD areas identified and one addi...
Ferreira, S. et al Sandia National Laboratories
Mar 30, 2026
7 Resources
7 Resources
Black Start of Unbalanced Microgrids Harmonizing Single and Three-Phase Grid-Forming Inverters: Preprint
As power systems are transforming with increasing penetrations of inverter-based resources (IBRs), system restoration using IBRs has drawn attention. Using distributed grid-forming (GFM) assets located near critical loads, either three-phase or single-phase, to establish microgrid...
Seo, G. et al NLR
Jul 31, 2023
Implementation of Advanced Grid Support Functionalities by Smart Operation of Residential Loads with low Cost Converter Interface
This paper investigates a grid-supportive load concept for small-scale residential appliances, focusing on a residential refrigerator. Power consumption is adjusted based on grid conditions to achieve IEEE-1547 grid support functions. Two key aspects are presented: a low-cost refr...
Roy Chowdhury, V. et al NLR
Dec 31, 2023
Inverter Controls for Smooth Transition Operation and Voltage Balancing of Networked Microgrids
With increasing penetrations of distributed energy resources (DERs), researchers have extensively studied the formation and networking of microgrids to improve reliability during distribution system outages. However, these operations might require DERs in the microgrids to switch...
Sawant, J. et al NLR
Dec 31, 2022
Dispatching Grid-Forming Inverters in Grid-Connected and Islanded Mode
This paper explores the dispatchability of grid-forming (GFM) inverters in grid-connected and islanded mode. GFM inverters usually use droop control to automatically share power with other GFM sources (inverters and synchronous generators) and follow the change in the load demand;...
Wang, J. et al NLR
Dec 31, 2023
U.S. Department of Energy Microgrid Installation Databases
Established in 2018 and maintained by ICF for the U.S. Department of Energy, the Microgrid Installation Database is the most comprehensive inventory of microgrids in the United States. The online tool catalogs microgrid projects by location, capacity, technology composition, opera...
U.S. DOE and ICF
Jul 14, 2025
Lessons Learned from Energy Commission Microgrid Projects : Best Practices from EPIC PON-14-301 Grant Recipients
Microgrid demonstration and implementation is a major focus for the California Energy Commission and has been supported by funds administered by the commission under the Electric Program Investment Charge (EPIC) program for the past 10 years. Seven EPIC-funded microgrid projects f...
Vogel, L. et al Navigant Consulting Inc.
May 31, 2024
Microgrid System Project Development Checklist
This Federal Energy Management Program (FEMP) checklist outlines key steps for developing microgrid projects at federal facilities and other sites. It covers project initiation, feasibility studies, stakeholder engagement, financing, procurement, design, construction, commissionin...
Program, M. U.S. Department of Energy
Apr 06, 2025
Inverter Controls for Smooth Transition Operation of Networked Microgrids
Islanding sections of a distribution grid as microgrids and networking these microgrids offer promising opportunities for improving system reliability; however, this approach may need distributed energy resources (DERs) to switch between grid-connected and islanded operation witho...
Sawant, J. et al NLR
Dec 31, 2022
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