Results 81 to 90 of about 28,951 (246)

Wearable biofluids colorimetric biosensors

FlexMat, EarlyView.
Wearable and flexible colorimetric sensors enable real‐time, non‐invasive detection through visible color changes. Advances in materials and device engineering have driven their development; however, challenges remain in sensitivity, selectivity, and scalable manufacturing.
Zhaoyuan Lyu, Zhiqiang Xiao, Wenhao Shen, Cheng Liu, Te Gu, Ruchuan Cao, Fangyu Zhang, Chuizhou Meng, Shichao Ding   +8 more
wiley   +1 more source

Stability and Control Aspects of Microgrid Architectures–A Comprehensive Review

IEEE Access, 2020
Self-governing small regions of power systems, known as “microgrids”, are enabling the integration of small-scale renewable energy sources (RESs) while improving the reliability and energy efficiency of the electricity network.
Moudud Ahmed, Lasantha Meegahapola, Arash Vahidnia, Manoj Datta   +3 more
doaj   +1 more source

Extended Operating Region Algorithm for PV Array Connected to Microgrids for Wide Frequency and Amplitude Variations

, 2023
The employment of microgrids and distributed power generation have exponentially increased over recent decades, due in part to the increased inclusion of renewable energies as these technologies become cheaper to install.
Javier Muñoz, Jaime Rohten, José Espinoza, Rodrigo Morales, David Dewar, José Silva, Matías Garbarino   +6 more
core   +1 more source

Defects‐Triggered In Situ Reconstruction in Metal‐Halide Perovskites for Photo‐Rechargeable Lithium‐Ion Batteries

Interdisciplinary Materials, EarlyView.
This work presents a strategy for the in situ formation of heterostructures in bifunctional photoelectrodes for photo‐rechargeable lithium‐ion batteries (PRLIBs). Defect‐driven reconstruction in metal‐halide perovskites (MHP) activates Cu+/Cu2+ leaching from the current collector, thereby enabling the in situ formation of CuO/CuI‐MHP heterojunctions ...
Zihan Liu, Xin Chen, Hancheng Ma, Wen Li, Fang Liu, Wei Yang, Xiangning Chen, Zhenghuai Sun, Xuyun Guo, Yuhang Dai, Ze He, Yao Ding, Qinyou An   +12 more
wiley   +1 more source

Survey of Optimization Techniques for Microgrids Using High-Efficiency Converters

Microgrids play a crucial role in modern energy systems by integrating diverse energy sources and enhancing grid resilience. This study addresses the optimization of microgrids through the deployment of high-efficiency converters, aiming to improve ...
Yadyra Ortiz, Diego Peña, Franciso Jurado, Paul Arevalo   +3 more
core   +1 more source

Physics‐Informed Neural Networks for Battery Degradation Prediction Under Random Walk Operations

Quality and Reliability Engineering International, EarlyView.
ABSTRACT This study addresses the challenge of predicting the state of health (SoH) and capacity degradation in Battery Energy Storage Systems (BESS) under highly variable conditions induced by frequent control adjustments. In environments where random walk behavior prevails due to stochastic control commands, conventional estimation methods often ...
Alaa Selim, Huadong Mo, Hemanshu Pota, Daoyi Dong   +3 more
wiley   +1 more source

Evaluating the Electrical Network Impact of EV Charging Strategies Used by Operators Across Residential, Workplace, and Public Users

IEEE Open Journal of Vehicular Technology
The increasing penetration of Electric Vehicles (EVs) presents significant challenges to the electrical grid, including potential overloads and voltage drops.
Cesar Diaz-Londono, Gibran David Agundis-Tinajero, Paolo Maffezzoni, Giambattista Gruosso, Josep M. Guerrero   +4 more
doaj   +1 more source

Frequency Shaping for Improving a Trade‐Off Between Control and Privacy Performance: Beyond Differential Privacy

International Journal of Robust and Nonlinear Control, EarlyView.
ABSTRACT In privacy protection of control systems, a trade‐off between control performance and privacy level is often pointed out. Our goal in this paper is to improve this trade‐off by shaping the frequency of noise added for privacy protection when the control objective is to track a reference signal, which is taken as a piece of information whose ...
Rintaro Watanabe, Yu Kawano, Nobutaka Wada, Ming Cao   +3 more
wiley   +1 more source

Enhancing electrical and thermal stress capabilities of hybrid CBs in VSC based MT HVDC grids using thyristor based FCL topology

Scientific Reports
Hybrid HVDC circuit breakers (H-DCCB) are an ideal choice for fault current interruption in voltage source converter (VSC) based multi-terminal HVDC (MT-HVDC) grids.
Baseem Khan, Muhammad Zain Yousaf, Saqib Khalid, Muhammad Armughan Shakeel, Josep M. Guerrero, Rajkumar Sivanraju   +5 more
doaj   +1 more source

Review of Networked Microgrid Protection: Architectures, Challenges, Solutions, and Future Trends

CSEE Journal of Power and Energy Systems
Design and selection of advanced protection schemes have become essential for reliable and secure operation of networked microgrids. Various protection schemes that allow correct operation of microgrids have been proposed for individual systems in ...
Jorge de la Cruz, Ying Wu, John E. Candelo-Becerra, Juan C. Vasquez, Josep M. Guerrero   +4 more
doaj   +1 more source