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Design of a State Machine for Smooth Microgrid Transition Operation
A state machine is proposed in the energy management system (EMS) of a microgrid as the solution for smooth microgrid's transition operation. This state machine includes six 'states' that cover all the operating modes during the microgrid's transition operation: two basic modes (g...
Wang, J. et al NLR
Jul 02, 2018
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
Distributed Wind Controls: A Research Roadmap for Microgrids, Infrastructure Resilience, and Advanced Controls Launchpad (MIRACL)
The Microgrids, Infrastructure Resilience, and Advanced Controls Launchpad (MIRACL) project’s controls research area aims to expand the benefits from distributed wind (DW) generation assets beyond solely providing low cost power directly to consumers. To make distributed wind tu...
Reilly, J. et al NLR
Dec 31, 2020
Circulating Current Reduction of Back-to-Back MMC with Advanced Grid-Support Functionalities for Medium-Voltage Applications
A Lyapunov energy function based circulating current reduction scheme for a back to back modular multilevel converter based system for a microgrid application has been proposed in this digest. In order to ensure no circulating or zero sequence currents within the modules, the dyn...
Roy Chowdhury, V. et al NLR
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
Distributed Cooperative Control of Hybrid AC/DC Microgrid
This paper presents a distributed cooperative control-based power management algorithm for a hybrid AC/DC microgrid. The proposed algorithm for a hybrid microgrid system controls the power flow through the interface converter between the AC and DC microgrids. This algorithm allows...
Mahmud, R. and Nejadpak, A. NLR
Dec 31, 2018
2 Resources
2 Resources
Unleash Values From Grid-Edge Flexibility
Summarizes control strategies, coordination frameworks, and value streams enabled by grid edge assets. Highlights practical experience, gaps in visibility and interoperability, and opportunities to scale flexibility services across distribution systems.
Ding, F. et al NLR
Jan 01, 2022
Hardware-in-the-Loop Test Bed and Test Methodology for Microgrid Controller Evaluation
Increasing penetration levels of distributed energy resources are making the deployment of microgrids more feasible. Controllers that operate such microgrids are key to realizing the objectives of the microgrid owner or operator and there is a need to evaluate microgrid controller...
Prabakar, K. et al NLR
Aug 16, 2018
Droop Control-Based Dispatch of an Islanded Microgrid with Multiple Grid-Forming Sources
Before rotating, fossil fuel-based, synchronous generators (SGs) are phased out, in line with renewable generation goals, grid-forming (GFM) inverters are expected to parallel SGs. Primary droop control allows GFM inverters to share power without communication; however, it is nece...
Ganguly, S. et al NLR
Dec 31, 2022
Highlights of IEEE Standard 1547-2018 Implementation Considerations
This resource summarizes key implementation considerations for IEEE Std 1547-2018. It highlights technical requirements such as voltage and frequency ride-through, power quality, communications, interoperability, and testing. The document provides guidance on how utilities, manu...
Narang, D. NLR
Aug 25, 2021
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