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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
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
Autonomous Microgrid Restoration Using Grid-Forming Inverters and Smart Circuit Breakers
The proliferation of distributed inverter-based resources (IBRs) raises the questions if these IBRs can be used to blackstart microgrids and distribution feeders after major outages. In this paper, we propose and evaluate an autonomous microgrid restoration concept using grid-for...
Banerjee, A. et al Siemens Technology
Dec 31, 2021
High-Fidelity Model of Stand-Alone Diesel Electric Generator With Hybrid Turbine-Governor Configuration for Microgrid Studies
Develops a high-fidelity dynamic model of a stand-alone diesel electric generator to support microgrid control design as inverter-based resources provide fast frequency response alongside diesel primary response. The model includes a synchronous machine, DC4B excitation with a V/H...
Shah, C. et al University of Alaska Fairbanks
Oct 02, 2022
Power-Hardware-in-the-Loop Interfaces for Inverter-Based Microgrid Experiments Including Transitions
Microgrids continue to proliferate, particularly those that rely on inverter-based resources as the microgrid's voltage and frequency leader. Hardware-in-the-loop simulations can de-risk microgrid deployments, and therefore we need power hardware-in-the-loop (PHIL) interfaces for ...
Pratt, A. et al NLR
Dec 31, 2022
DC Microgrid Reliability Enhancement with Adaptive Converter Thermal Management
Due to the different device selections, aging levels, and thermal dissipation performance, some converters may take additional thermal stress on switching devices than others in paralleled converter systems, which will reduce system reliability. To address this problem, this paper...
Zhu, X. et al Aalborg University
Dec 31, 2023
Deep Reinforcement Learning for Microgrid Cost Optimization Considering Load Flexibility
This paper proposes a novel Soft-Actor-Critic (SAC) based Deep Reinforcement Learning (DRL) method for optimizing the cost of microgrid operation by leveraging load flexibility. The proposed SAC-DRL method is designed to coordinate the control of distributed energy resources (DERs...
Pei, Y. et al University of Connecticut
Dec 31, 2023
Design, Operation, and Controlled-Island Operation of the U.S. Department of Energy Solar Decathlon 2013 Microgrid
This document reports on the design and operation of a high-capacity and high-penetration-ratio microgrid, which consists of 19 photovoltaic-powered residential houses designed by collegiate teams as part of their participation in the U.S. Department of Energy Solar Decathlon 2013...
Kurnik, C. et al NLR
Mar 31, 2015
Inverter Controls for Smooth Transition Operation of Networked Microgrids
Islanding sections of a distribution grid as microgrids and networking these microgrids offer promising opportunities for improving system reliability; however, this approach may need distributed energy resources (DERs) to switch between grid-connected and islanded operation witho...
Sawant, J. et al NLR
Dec 31, 2022
Implementation of Advanced Grid Support Functionalities by Smart Operation of Residential Loads with low Cost Converter Interface
This paper investigates a grid-supportive load concept for small-scale residential appliances, focusing on a residential refrigerator. Power consumption is adjusted based on grid conditions to achieve IEEE-1547 grid support functions. Two key aspects are presented: a low-cost refr...
Roy Chowdhury, V. et al NLR
Dec 31, 2023
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