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Creation of a Synthetic Rural Alaskan Microgrid Model
Describes the development of a synthetic benchmark power-system model representing a rural Alaskan island microgrid while avoiding disclosure of confidential critical-infrastructure data. Summarizes the methodology used to create the synthetic grid and evaluates performance throug...
Francisco, A. University of Alaska Fairbanks
Sep 03, 2025
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
A Solar Hosting Capacity Analysis on a Synthetic Rural Alaska Microgrid Model
The report discusses procedures used to conduct a hosting capacity analysis (HCA) on a synthetic Alaskan microgrid model. This includes the test case used, assumptions in the analysis, and the several algorithms implemented. The maximum distribution transformer and line loading o...
Francisco, A. et al University of Alaska Fairbanks
Apr 24, 2025
uGrid: Reliable Minigrid Design and Planning Toolset for Rural Electrification
Introduces uGrid, an open-source minigrid design and planning toolset created with minigrid developers to support rural electrification. Integrates equipment sizing and resource allocation with uGridNet for distribution network layout and reliability cost–benefit analysis, inclu...
Cicilio, P. et al Oregon State University
Nov 10, 2019
Fuel Cell Inverter Transition Between Modes of Operation (Grid-Forming and Grid-Following)
This NREL dataset provides data and documentation from experiments investigating how a fuel cell inverter transitions between grid-forming and grid-following modes of operation. The dataset includes time-series measurements of voltages, currents, and control signals during mode tr...
Nemsow, N. et al NLR
Dec 26, 2024
Background Information on the Power Quality Requirements in IEEE Std 1547-2018
This document provides context for the power quality requirements contained in IEEE Std 1547-2018. It explains why limits on voltage regulation, flicker, harmonics, and unintentional islanding were specified, and how distributed energy resources should comply. The guide discusses ...
Ingram, M. et al NLR
Sep 30, 2021
Background Information on the Protection Requirements in IEEE Std 1547-2018
This resource offers explanatory background on the protection requirements outlined in IEEE Std 1547-2018, the standard governing interconnection of distributed energy resources (DER). It discusses the rationale behind protective device settings, fault detection, anti-islanding re...
Mahmud, R. and Ingram, M. 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
An Overview of Issues Related to IEEE Std 1547-2018 Requirements Regarding Voltage and Reactive Power Control
This overview discusses the voltage and reactive power control provisions of IEEE Std 1547-2018 and highlights implementation challenges for distributed energy resource interconnections. It covers topics such as voltvar control curves, ride through capabilities, coordination with ...
Narang, D. et al NLR
Aug 31, 2021
An Overview of Behind-The-Meter Solar-Plus-Storage Regulatory Design: Approaches and Case Studies to Inform International Applications
This NREL overview examines regulatory designs for behind-the-meter solar-plus-storage installations, focusing on how policies, incentives, and market structures influence deployment. It summarizes approaches used in several jurisdictions, analyzes tariff structures, net metering ...
Zinaman, O. et al NLR
Feb 29, 2020
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