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Experimental Characterization Test of a Grid-Forming Inverter for Microgrid Applications
Standardized experimental testing protocols for grid forming (GFM) inverters to ensure expected operation under both normal and contingency conditions do not exist. Such protocols increase the confidence of system owner/operators that an inverter deployed in a proposed system will...
Wang, J. et al NLR
Dec 31, 2022
Dynamic Shaping of Grid Response of Multi-Machine Multi-Inverter Systems Through Grid-Forming IBRs: Preprint
We consider the problem of controlling the frequency response of weakly-coupled multi-machine multi-inverter low-inertia power systems via grid-forming inverter-based resources (IBRs). In contrast to existing methods, our approach relies on dividing the larger system into multiple...
Poolla, B. et al NLR
Jun 30, 2024
Transient Stability Study of a Real-World Microgrid with 100% Renewables
This paper performs a transient stability study of a real-world microgrid that can operate with 100% renewables to better understand the stability and reliability of the microgrid under various dynamic scenarios. In particular, the operation of multiple grid-forming (GFM) and grid...
Velaga, Y. et al NLR
Dec 31, 2021
Cyber-Physical Test Platform for Microgrids: Combining Hardware, Hardware-in-the-Loop, and Network-Simulator-in-the-Loop
This paper presents a cyber-physical testbed, developed to investigate the complex interactions between emerging microgrid technologies such as grid-interactive power sources, control systems, and a wide variety of communication platforms and bandwidths. The cyber-physical testbed...
Nelson, A. et al NLR
Dec 31, 2015
Improved Control Strategy of Grid-Forming Inverters for Fault Ride-Through in a Microgrid System
This paper develops an improved control strategy of grid-forming (GFM) inverters with fault ride-through capabilities to guarantee the stable operation of microgrids under fault conditions, especially islanded microgrids and asymmetrical faults. The proposed control strategy inclu...
Wang, J. NLR
Dec 31, 2021
High-Frequency Signature-Based Fault Detection for Future MV Distribution Grids: Preprint
Increased deployment of Distributed Energy Resources (DERs) and microgrids are significantly changing the operation of distribution grid. Increasing penetration of power electronics based DERs also raise several operational problems such as protection coordination issues, voltage ...
Velaga, Y. et al NLR
Jun 30, 2020
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
Distributed Wind Controls: A Research Roadmap for Microgrids, Infrastructure Resilience, and Advanced Controls Launchpad (MIRACL)
The Microgrids, Infrastructure Resilience, and Advanced Controls Launchpad (MIRACL) project’s controls research area aims to expand the benefits from distributed wind (DW) generation assets beyond solely providing low cost power directly to consumers. To make distributed wind tu...
Reilly, J. et al NLR
Dec 31, 2020
Fuel Cell Inverter Dataset
This data set from NREL provides performance measurements and operational data for fuel cell inverter systems. It includes electrical parameters such as voltage, current, power output, and efficiency under various operating conditions. Researchers and engineers can use the data to...
Prabakar. Kumaraguru, F. NLR
Dec 17, 2024
Revision of IEEE Standard 1547: New Disturbance Response Requirements
This resource summarizes the new disturbance-response requirements in the revised IEEE Std 1547, covering ride through capabilities, frequency and voltage excursion tolerances, and dynamic response expectations for distributed energy resources. It likely discusses how DER must res...
Walling, R. Walling Energy Systems Consulting, LLC
Jan 31, 2017
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