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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
Private, State, and Federal Funding and Financing Options to Enable Resilient, Affordable, and Clean Microgrids
This joint report by NARUC and the National Association of State Energy Officials compiles funding and financing mechanisms available to support microgrid projects. It describes federal grants and loan programs, state incentives, and private-sector financing models such as third-p...
National Association of Regulatory Utility Commissioners, N.
Dec 31, 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
5G Securely Energized and Resilient: Task 2 and 3 Progress Report
5G Securely Energized and Resilient (5G-SER) is a project funded by US DOD OUSD RandE in which NREL (NREL) developed, implement, and tested a wireless 5G architecture integrated with power systems components to perform research on its capabilities to provide low-latency, security,...
Rivera, J. et al NLR
Nov 30, 2023
Evaluation of Distributed Power Apportioning with Net Load Management Engine in Microgrids Using Power Hardware-in-the-Loop Simulation
This article presents the performance evaluation of ratio consensus-based distributed power apportioning engine along with centralized net load management (NLM) engine that ensures viable and stable operation of an islanded microgrid. Managing net load variability in a microgrid w...
Chakraborty, S. et al University of Minnesota
Dec 31, 2022
Learning-Based Building Flexibility Estimation and Control to Improve Microgrid Economics and Resilience: Preprint
This paper proposes a learning-based building flexibility estimation and control framework to improve system economics and resilience. A data-driven building load flexibility model consisting of weather forecasting and estimating load consumption is proposed to quantify building h...
Ding, F. et al NLR
Jun 30, 2024
Synchronization of Lienard-Type Oscillators in Heterogenous Electrical Networks
Motivated by potential applications for power-electronic converters in microgrids, we study the problem of global asymptotic synchronization of Lienard-type nonlinear oscillators in heterogenous LTI electrical networks with series R-L circuits modeling interconnections. By heterog...
Johnson, B. et al University of Minnesota
Dec 31, 2017
Experimental Validation of a Diesel Genset Frequency Dynamics Model for Use in Remote Area Power Systems
Addresses the need for accurate diesel generator dynamic models in converter-dominated remote microgrids by experimentally identifying and validating a frequency dynamics model for a 400 kVA diesel genset. Notes that original vendor/system models often do not match observed field ...
Rauniyar, M. et al Electric Power Research Institute
Jun 12, 2024
Test of a 250 kVA Battery-Inverter System Micro-Grid: Cooperative Research and Development Final Report, CRADA Number CRD-11-460
Portland General Electric (PGE) is installing a 5-megawatt (MW) lithium-ion-based battery-inverter system (BIS) in Salem, Oregon, as part of the Pacific Northwest Smart Grid Demonstration Project. NREL will assist PGE in testing a 250-kilovolt-ampere (kVA) portion of the BIS in or...
Kramer, W. et al NLR
Nov 30, 2013
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