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Operation of Grid Forming Converters as Self Excited Induction Generators Under Non-Ideal Loading Conditions
Self-excited induction generators offer a robust solution for power production for standalone as well as grid-connected systems. In general, self-excited induction generators require excitation capacitors which make use of the machine magnetization characteristics for voltage buil...
Roy Chowdhury, V. and Mather, B. NLR
Dec 31, 2023
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
Design of Resilient Electric Distribution Systems for Remote Communities: Surgical Load Management using Smart Meters
This paper describes a systematic process of designing resilient electric distribution systems and microgrids using smart meters for surgical load management (SLM) as part of Advanced Metering Infrastructure (AMI). The work focuses on selection approach, integration, and interoper...
Panwar, M. et al NLR
Dec 31, 2020
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
Advanced Distributed Wind Turbine Controls Series
Documents and analyses that detail control strategies for distributed wind to provide services beyond energy. Using a reference campus model, the resources cover isolated-grid operation, fault-ride-through in grid-connected deployments, and support for microgrid transitions and bl...
Anderson, B. et al NLR
Dec 31, 2021
4 Resources
4 Resources
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
Marine Energy Atlas
NREL's Marine Energy Atlas provides high resolution spatial data on marine renewable energy resources, including wave power density, tidal streams, and ocean currents, along with bathymetry and environmental layers. Users can navigate the map to view resource intensity, identify...
NLR
Dec 31, 2025
An Overview of Distributed Energy Resource (DER) Interconnection: Current Practices and Emerging Solutions
This guidebook provides an overview of key issues for utilities and utility regulators to consider as deployments of distributed energy resources (DER) increase, including what has been tried in the field and emerging good practices. Topics covered include: Interconnection Applica...
Horowitz, K. et al NLR
Mar 31, 2019
Global Wind Atlas
Developed by the Technical University of Denmark and the World Bank, the Global Wind Atlas offers freely accessible maps of wind resource potential worldwide. Using mesoscale modeling and microscale downscaling, the atlas provides data layers showing mean wind speeds, wind power d...
Badger, J. et al World Bank Group
Dec 31, 2024
Southwest Wind Power RandD Test Site Development at the National Wind Technology Center: Cooperative Research and Development Final Report, CRADA Number CRD-12-00472
Southwest Windpower, Inc. (SWWP) has been designing and distributing small wind turbines for more than 22 years and is the recognized global leader in the design, manufacturing and distribution of small wind systems (400-3000 watts). The company has been a pioneer in the developme...
Jager, D. and Huskey, A. NLR
Jul 31, 2020
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