Search the Library
Showing results 291 - 300 of 374.
Show
results per page.
Order by:
Resource Type Specific
Technologies
Topics
Keywords
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
Controller Hardware-in-the-Loop Evaluation of a Microgrid Controller for a Microgrid System with Multiple Grid-Forming Inverters
This paper presents the laboratory evaluation of a commercial Microgrid Management System (MGMS) implemented in the real-world Bronzeville Microgrid which features a futuristic scenario with high renewable energy integration and the use of multiple Grid-Forming (GFM) inverters. Th...
Xie, F. et al NLR
Dec 31, 2024
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
Performance Evaluation of Peer-to-Peer Distributed Microgrids Coordination for Voltage Regulation
This paper presents the performance evaluation of a peer-to-peer microgrids coordination algorithm for sub-transmission systems. As distributed energy resources (DERs) in distribution system start to show negative impact to the bulk power system, a paradigm shift is needed for tra...
Gan, H. et al NLR
Dec 31, 2021
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
U.S. Biogas-Methane Resources by County
NREL's biomethane resource dataset quantifies the 2014 methane generation potential for each U.S. county from biogas feedstocks, including landfills, livestock manure, wastewater treatment, and industrial, institutional, and commercial waste. Delivered as GIS shapefiles, the datas...
Milbrandt, A. NLR
Jan 13, 2014
Demonstrating Distribution System Resiliency through Grid-Edge Microgrids, on a Multi-Site Networked Hardware-in-Loop Platform
With the increasing penetration of Distributed Energy Resources (DERs) at the grid-edge, power systems include more energy storage, remote switches, relays, voltage regulators, and other intelligent electronic devices (IED). Effective control of these grid-edge devices by using Ad...
Chowdhury, P. et al University of North Carolina at Charlotte
Dec 31, 2021
Revision of IEEE Standard 1547: The Background for Change
This article is the first in a four-part series regarding the IEEE standard 1547 and its impact on the electric grid. The background and purpose of this standard is discussed here, and subsequent articles will focus on related issues of voltage regulation, disturbance performance,...
Walling, R. Walling Energy Systems Consulting, LLC
Oct 31, 2016
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
High-Penetration Photovoltaic Integration Handbook for Distribution Engineers
This handbook, produced by NREL, offers practical guidance for distribution engineers facing high penetration of photovoltaic (PV) systems on their networks. It addresses technical challenges such as voltage regulation, protection coordination, reverse power flow, and transformer ...
Seguin, R. et al NLR
Dec 31, 2015
Do you have a resource we should add to the library?
Input from multi-disciplinary practitioners helps us address knowledge gaps and improve our catalog. Use the submission form to suggest a new resource to add to C-MIX.
