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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
Cybersecurity Certification Standard for Distributed Energy and Inverter-Based Resources
NREL and UL co-presented on their joint effort to develop a cybersecurity certification standard for distributed energy resources (DERs) at a meeting of the Cybersecurity Advisory Team for State Solar (CATSS). The advisory team is hosted by NASEO and NARUC. The presentation outlin...
Saleem, D. and Slowinske, M. NLR
Jan 23, 2022
A Primer on the Unintentional Islanding Protection Requirement in IEEE Std 1547-2018
This primer provides an accessible explanation of the unintentional islanding protection provisions in IEEE Std 1547-2018. It describes why preventing unintentional islanding is critical, outlines testing and detection methods, and clarifies performance requirements for distribute...
Narang, D. et al NLR
Mar 31, 2022
New Approaches to Distributed PV Interconnection: Implementation Considerations for Addressing Emerging Issues
This report discusses innovative approaches to distributed photovoltaic (PV) interconnection aimed at addressing emerging issues such as high penetrations, rapid interconnection requests, and evolving standards. It examines options like hosting capacity analysis, flexible intercon...
McAllister, R. et al Western Interstate Energy Board
Jan 31, 2019
A Power-Hardware-in-the-Loop (PHIL) Evaluation of Service Restoration With Networked Microgrids
This paper describes the power-hardware-in-the loop (PHIL) evaluation of the feasibility of service restoration solutions determined by the PowerModelsONM.jl tool. This tool incorporates microgrids and the networking of microgrids into its determination of an optimal service resto...
Jain, R. et al NLR
Dec 31, 2023
Guide to the Distributed Energy Resources Cybersecurity Framework
In May 2018, the U.S. Department of Energy (DOE) released its Cybersecurity Strategy document, a multiyear plan specifically regarding cybersecurity in the energy sector. The framework outlined in this report aligns with strategies identified in the DOE Cybersecurity Strategy docu...
Powell, C. et al NLR
Nov 30, 2019
Diesel Generator Controller Evaluation via Controller-Hardware-in-the-Loop for Various Microgrid Operation Modes
This paper presents the Controller-Hardware-in-the-Loop (CHIL) evaluation of a diesel generator controller for various microgrid operation modes. The model of the diesel generator (governor, exciter, and primary control) is simulated in real time, and the secondary control is impl...
Wang, J. et al NLR
Jan 31, 2019
DC Microgrid Reliability Enhancement with Adaptive Converter Thermal Management
Due to the different device selections, aging levels, and thermal dissipation performance, some converters may take additional thermal stress on switching devices than others in paralleled converter systems, which will reduce system reliability. To address this problem, this paper...
Zhu, X. et al Aalborg University
Dec 31, 2023
Design, Operation, and Controlled-Island Operation of the U.S. Department of Energy Solar Decathlon 2013 Microgrid
This document reports on the design and operation of a high-capacity and high-penetration-ratio microgrid, which consists of 19 photovoltaic-powered residential houses designed by collegiate teams as part of their participation in the U.S. Department of Energy Solar Decathlon 2013...
Kurnik, C. et al NLR
Mar 31, 2015
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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