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Experimental Validation of a Diesel Genset Frequency Dynamics Model for Use in Remote Area Power Systems
Addresses the need for accurate diesel generator dynamic models in converter-dominated remote microgrids by experimentally identifying and validating a frequency dynamics model for a 400 kVA diesel genset. Notes that original vendor/system models often do not match observed field ...
Rauniyar, M. et al Electric Power Research Institute
Jun 12, 2024
Test of a 250 kVA Battery-Inverter System Micro-Grid: Cooperative Research and Development Final Report, CRADA Number CRD-11-460
Portland General Electric (PGE) is installing a 5-megawatt (MW) lithium-ion-based battery-inverter system (BIS) in Salem, Oregon, as part of the Pacific Northwest Smart Grid Demonstration Project. NREL will assist PGE in testing a 250-kilovolt-ampere (kVA) portion of the BIS in or...
Kramer, W. et al NLR
Nov 30, 2013
IEEE 1547 Interconnection Standard: Enabler of Technical Innovation and End-User Benefit Day 1
This workshop will introduce the IEEE 1547-2018 Standard for Interconnection and Interoperability of Distributed Energy Resources (DER) with Electric Power Systems and will provide an overview of the 1547-2018 standard. This workshop will also put IEEE 1547 in the context of other...
Shirazi, M. University of Alaska Fairbanks
May 12, 2025
Evaluation of MVDC Electrical Interties Connecting Remote Communities: an Alaska Case Study
This Alaska Center for Energy and Power report presents a techno-economic case study of interconnecting two remote, islanded power systems via a 25-mile electrical intertie. Using HOMER Pro models (including scenarios with energy storage), the analysis compares AC and DC intertie ...
Chamberlin, M. et al University of Alaska Fairbanks
Aug 21, 2023
A Comparative Study of DC and AC Microgrids in Commercial Buildings Across Different Climates and Operating Profiles: Preprint
Bosch has developed and demonstrated a novel DC microgrid system designed to maximize utilization efficiency for locally generated photovoltaic energy while offering high reliability, safety, redundancy, and reduced cost compared to equivalent AC systems. Several demonstration pro...
Fregosi, D. et al Robert Bosch LLC
Mar 31, 2015
Design Power Control Strategies of Grid-Forming Inverters for Microgrid Application
This paper develops and compares two control schemes in the application control layer of a non-phase-locked loop (non-PLL) grid-forming (GFM) inverter to gain insight and understanding into how the two schemes affect the dynamic responses of GFM inverters and the transition operat...
Wang, J. NLR
Dec 31, 2020
Black-Starting Microgrids Using Inverter-Based Distributed Energy Resources
Recent trends in power systems show increasing deployment of inverter-based distributed energy resources (DERs) at the distribution level. Efforts have also been made to use inverter-based DERs for system restoration of critical sections of distribution feeders. In the past few ye...
Sawant, J. et al NLR
Dec 31, 2024
Use of Traveling Wave Signatures in Medium-Voltage Distribution Systems for Fault Detection and Location
Protection systems are a critical feature for the proper operation of a power grid. Protection systems should be able to quickly detect, identify, locate, and isolate the faults within a time frame that prevents damage to grid components and reduces customer outages. As more inver...
Prabakar, K. et al NLR
Jul 31, 2021
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
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