Results 61 to 70 of about 108,732 (240)

Stochastic optimization of Power‐to‐Methanol: Production cost sensitivity to process design vs. scheduling

open access: yesAIChE Journal, EarlyView.
Abstract Under time‐varying electricity prices, the production costs of Power‐to‐X processes with intermediate storage can be reduced by simultaneously optimizing the process unit design and size with their scheduling and operation. However, the production cost sensitivity to optimal process design or scheduling is unclear, especially when several ...
Simone Mucci, Dominik Bongartz
wiley   +1 more source

Optimal Operation of Networked Microgrids for Enhancing Resilience Using Mobile Electric Vehicles

open access: yesEnergies, 2020
The increased intensity and frequency of natural disasters have attracted the attention of researchers in the power sector to enhance the resilience of power systems.
Asfand Yar Ali   +3 more
doaj   +1 more source

Minimizing the Frequency Deviations in the Interconnected Microgrids considering Renewable Energy Sources

open access: yesEAI Endorsed Transactions on Energy Web, 2022
Nowadays, the use of Microgrids is increasing due to their ample applications and advantages. Microgrids have much smaller financial commitments, and they use renewable resources; hence are more environmentally friendly with lower carbon footprints ...
Ranjit Singh, L. Ramesh
doaj   +1 more source

Techno‐economic and environmental assessment of a hybrid renewable energy system for a date molasses factory in Iraq using HOMER Pro

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract Iraq currently faces a significant electricity deficit estimated at approximately 18 000 MW, resulting in frequent and sometimes prolonged power outages that disrupt both economic activities and social life. The widening gap between energy supply and demand, combined with environmental concerns associated with fossil fuel consumption ...
Safaa Malik Abbas   +3 more
wiley   +1 more source

Circular Economy Pathways for Airport Climate Change Mitigation

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Airport operators face growing climate‐change pressures; the circular economy offers pathways to reduce impacts and recover resources. We examine how airport operators apply the circular economy in practice. We use an exploratory qualitative multicase design based on practitioner‐generated documents (e.g., press releases and sustainability ...
Michele Oppioli   +3 more
wiley   +1 more source

Battery Remaining Useful Life Prediction Using Machine Learning Models: A Comparative Study

open access: yesInformation
Predicting the remaining useful life (RUL) of lithium-ion (Li-ion) batteries is crucial to preventing system failures and enhancing operational performance.
Vahid Safavi   +4 more
doaj   +1 more source

Advanced Virtual Impedance for Power‐Sharing Improvement in Microgrids Using Different SOGI Methods: A Comparative Study

open access: yesEnergy Technology, EarlyView.
Advanced virtual impedance control integrating multiple second‐order generalized integrator (SOGI) variants—SOGI, ESOGI, MSOGI, and DSOGI—enhances power and harmonic sharing accuracy in islanded microgrids. The comparative study quantifies performance–complexity trade‐offs, demonstrating up to 65% total harmonic distortion (THD) reduction and improved ...
Camelia Ait Hammouda   +3 more
wiley   +1 more source

Decentralized Wind Energy Systems as Catalysts for Urban Resilience: A Design Framework

open access: yesEnergy Science &Engineering, EarlyView.
ABSTRACT Confronting the escalating extreme weather events (EWEs) and intensifying winds, this study proposes an active response to these issues by exploring decentralized wind energy production for Peng Chau Island, Hong Kong. It integrates theoretical perspectives on energy democracy—empowering local communities through energy autonomy—and urban ...
Tian Cheng
wiley   +1 more source

Multiuser Communication through Power Talk in DC MicroGrids

open access: yes, 2015
Power talk is a novel concept for communication among control units in MicroGrids (MGs), carried out without a dedicated modem, but by using power electronics that interface the common bus.
Angjelichinoski, Marko   +5 more
core   +1 more source

Techno‐Economic Analysis of Solar‐Wind Hybrid Systems for Green Hydrogen Production in South Africa, KwaZulu‐Natal Province

open access: yesEnergy Science &Engineering, EarlyView.
ABSTRACT Rising global energy demand and the climate crisis have intensified the pursuit of renewable energy, with green hydrogen emerging as a key alternative to fossil fuels. South Africa, heavily reliant on coal‐based energy, faces pressure to decarbonize and transition to a green economy.
Sandile Mtolo   +4 more
wiley   +1 more source

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