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Optimal Operation for Resilient and Economic Modes in an Islanded Alaskan Grid
Legacy energy management systems for distribution system or microgrids are typically driven by economics. During extreme events, resiliency can be defined as ability of the system to keep supplying critical loads. Resilient operation during extreme events (e.g. avalanche in Alaska...
Pandey, S. et al NLR
Dec 31, 2019
Unleashing the Frequency: Multi-Megawatt Demonstration of 100% Renewable Power Systems with Decentralized Communication-Less Control Scheme
Power systems, which range in size from small microgrids to island systems to large regional grids, are typically managed by a central controller that requires complex communication methods and can be unreliable and pose cyber security risks in certain applications, especially whe...
Koralewicz, P. et al NLR
Aug 31, 2022
A Comparative Study of DC and AC Microgrids in Commercial Buildings Across Different Climates and Operating Profiles: Preprint
Bosch has developed and demonstrated a novel DC microgrid system designed to maximize utilization efficiency for locally generated photovoltaic energy while offering high reliability, safety, redundancy, and reduced cost compared to equivalent AC systems. Several demonstration pro...
Fregosi, D. et al Robert Bosch LLC
Mar 31, 2015
Techno-Economic Analysis of a Microgrid System for Rural Communities in the United States
Access to running water has been a pressing issue in many developing countries across the globe, and also continues to be a problem in some rural areas in the United States. Today, more than two million Americans living in rural areas lack access to basic water supply and infrastr...
Nakhai, A. et al NLR
Dec 31, 2022
Evaluation of Optimal Net Load Management in Microgrids Using Hardware-in-the-Loop Simulation
This paper presents the performance evaluation of a net load management (NLM) engine that balances load and generation in an isolated community to power a critical facility after a grid interruption event (e.g., the loss of a large generation unit). This NLM engine is particularly...
Wang, J. et al NLR
Dec 31, 2021
Performance Evaluation and Costs of a Combined Ground Source Heat Pump and Solar Photovoltaic Storage System in an Extreme Cold Climate
This report outlines the effectiveness and economics of a ground source heat pump system installed together with solar photovoltaic panels and a battery storage system in a local community building situated in a cold climate. The community building is a tribal building located in ...
Truffer-Moudra, D. et al NLR
May 31, 2023
National Wind Energy Workforce Assessment Methods Report: Surveys and System Dynamics model
Technical reports summarizing scope, frameworks, and implementation considerations, with examples and references for practitioners. The material includes examples and references intended to guide adoption and implementation.
McDowell, B. and Stefek, J. NLR
Dec 31, 2023
A Fast and Scalable Genetic Algorithm-Based Approach for Planning of Microgrids in Distribution Networks
As a result of climate change, extreme weather events are occurring more frequently and with increasing impact. This trend poses a significant challenge for distribution utilities and system operators to ensure that there is uninterrupted power supply to critical loads in their ne...
Sahu, A. et al NLR
Dec 31, 2021
Allocation and Operation of A Hydropneumatic Energy Storage with Building Microgrid
Behind-meter application for a recently invented hydropneumatic Ground-Level Integrated Diverse Energy Storage (GLIDES) is focused in this research. Considering possible uncertainties from solar radiation and electricity load in a building microgrid, two-stage stochastic programmi...
Chen, Y. et al Oak Ridge National Laboratory
Jul 31, 2019
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
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