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Kotzebue Channel Marine Energy Resource Assessment
Researchers from the University of Alaska Fairbanks conducted an oceanographic study in the channel offshore Kotzebue during the summers of 2023 and 2024. The purpose of the study was a marine hydrokinetic energy resource assessment to understand if nearshore ocean currents at thi...
Brown, E. et al University of Alaska Fairbanks
Jan 31, 2025
Kake Heat Pump Rate Analysis for Inside Passage Electric Cooperative
This report provides an overview of possible rate structures that can encourage beneficial electrification, with an emphasis on HPs, in Kake, Alaska. Inside Passage Electric Cooperative (IPEC), and Alaska Center for Energy and Power (ACEP) at the University of Alaska Fairbanks are...
Mathur, S. et al University of Alaska Fairbanks
Dec 31, 2020
Making the Grid Smarter: Primer on Adopting the New IEEE Std 1547-2018 for Distributed Energy Resources
Published by the Interstate Renewable Energy Council, this primer helps regulators, utilities, and developers understand and implement the requirements of IEEE Standard 1547 2018. It explains key technical provisions ride-through, voltage and frequency regulation, interoperability...
Lydic, B. and Baldwin, S. Interstate Renewable Energy Council
Dec 31, 2018
Informative Background on the Interoperability Requirements in IEEE Std 1547-2018
This NREL report summarizes the interoperability requirements in the revised Institute of Electrical and Electronics Engineers Standard 1547-2018 (IEEE Std 1547-2018). Additionally, the report provides context and related background concepts for applying advanced interoperability ...
Ingram, M. et al NLR
Jun 30, 2021
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
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
Development of a Practical Secondary Control for Hardware Microgrids
Practical, vendor-agnostic interoperability guidelines for the secondary control architecture of microgrids (MGs) with multiple grid-forming (GFM) inverter-based resources (IBRs) have not yet been developed. Therefore, this paper proposes a generic and vendor-agnostic secondary co...
Chakraborty, S. et al NLR
Dec 31, 2024
Site-Specific Evaluation of Microgrid Controller Using Controller and Power-Hardware-in-the-Loop
Microgrid assets are built by utilities to improve the resilience and reliability of segments of the distribution system. Controllers with advanced capabilities will operate and control these microgrids with diverse energy technologies, which vary from inverter-based photovoltaics...
Prabakar, K. et al NLR
Sep 30, 2019
An Innovative Energy Management System for Microgrids with Multiple Grid-Forming Inverters
As increasingly more grid-forming (GFM) inverter-based resources replace traditional fossil-fueled synchronous generators as the GFM sources in microgrids, the existing microgrid energy management systems (EMS) need to be updated to control and coordinate multiple GFM inverters th...
Comden, J. and Wang, J. NLR
Dec 31, 2023
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