Results 61 to 70 of about 14,273 (209)

Research on participation of flywheel energy storage in wind farm frequency regulation control

Zhejiang dianli, 2022
In view of a whole series of problems such as the reduction of system inertia， the increase of frequency fluctuation， and the deterioration of power quality caused by large-scale wind power integration， a flywheel with high power density is designed for ...
ZHANG Jihong, CUI Tianxiang, XIONG Wei, WU Zhengkui, ZHANG Zilei   +4 more
doaj   +1 more source

Optimal frequency control in microgrid system using fractional order PID controller using Krill Herd algorithm [PDF]

, 2020
This paper investigates the use of fractional order Proportional, Integral and Derivative (FOPID) controllers for the frequency and power regulation in a microgrid power system. The proposed microgrid system composes of renewable energy resources such as
Gabbar, Hossam, Helaimi, M’hamed, Othman, Ahmed, Regad, Mohamed, Taleb, Rachid   +4 more
core   +1 more source

Adaptive Twisting Metamaterials

Advanced Materials, Volume 38, Issue 21, 13 April 2026.
This work introduces torque‐controlled twisting metamaterials as a transformative platform for adaptive crashworthiness. By combining multiscale predictive modeling with experimental validation on additively manufactured gyroids, it demonstrates tunable stiffness, collapse stress, and energy absorption.
Mattia Utzeri, Maria L. Gatto, Edoardo Mancini, Donato Orlandi, Daniele Cortis, Marco Sasso, Shanmugam Kumar   +6 more
wiley   +1 more source

Effects of Whole‐Body Vibration on Lower‐Limb Muscle Activity in a Flywheel Half‐Squat

European Journal of Sport Science, Volume 26, Issue 4, April 2026.
ABSTRACT Strength and conditioning professionals continuously seek innovative strategies to enhance neuromuscular performance. This study examined muscle activation in the rectus femoris (RF), vastus lateralis (VL), vastus medialis (VM), biceps femoris (BF), gluteus maximus (GMAX), gastrocnemius medialis (GASMED), and gastrocnemius lateralis (GASLAT ...
Clàudia Baraut, Bernat Buscà, Joan Aguilera‐Castells, Margaret T. Jones, Julio Calleja‐González, Faith Brown, Jordi Arboix‐Alió   +6 more
wiley   +1 more source

Wave Power Output Smoothing through the Use of a High-Speed Kinetic Buffer

Energies, 2019
In this paper, a new control strategy for power output smoothing in a hybrid wave energy installation coupled to a flywheel energy storage system (FESS) is proposed.
Brenda Rojas-Delgado, Monica Alonso, Hortensia Amaris, Juan de Santiago   +3 more
doaj   +1 more source

Bidirectional control system for energy flow in solar powered flywheel [PDF]

, 1987
An energy storage system for a spacecraft is provided which employs a solar powered flywheel arrangement including a motor/generator which, in different operating modes, drives the flywheel and is driven thereby.
Nola, Frank J.
core   +1 more source

Power Losses in Energy Generation: Mechanisms, Mitigation Strategies, and Pathways to a Sustainable Future

Energy Technology, Volume 14, Issue 4, April 2026.
This article provides a comprehensive review of loss mechanisms in the generation stage of energy systems, covering fossil, nuclear, and renewable technologies. It examines their environmental and operational implications and shows how overlooking generation losses distorts efficiency assessments.
Pooya Parvizi, Alireza Mohammadi Amidi, Mohammad Reza Zangeneh, Jordi‐Roger Riba, Milad Jalilian   +4 more
wiley   +1 more source

Two‐Layer Optimal Control Strategy of Thermal Power Unit Coupled With Hybrid Energy Storage System in Frequency Regulation

Energy Science &Engineering, Volume 14, Issue 4, Page 1965-1975, April 2026.
An optimized two‐layer TPU‐HESS operation strategy enables adaptive power allocation, mitigates regulation delay, and enhances AGC performance by 6.4% over conventional control methods. ABSTRACT With the growing penetration of renewable energy, its intermittency and fluctuation have imposed increasingly stringent regulation requirements on thermal ...
Zhiwei Xing, Lu Liang, Yunfeng Tian, Lei Liu, Chuan Zuo, Longfei Zhu, Zhan Li, Zhenyong Yang, Jingqiu Kang, Feng Hong   +9 more
wiley   +1 more source

A Fuzzy Division Control Strategy for Flywheel Energy Storage to Assist Primary Frequency Regulation of Hydropower Units

Energies
Enhancing the flexibility of hydropower units is essential for adapting to future power systems dominated by intermittent renewable energy sources such as wind and solar, which introduce significant frequency stability challenges due to their inherent ...
Zhengfa Li, Peina Gao, Ning Xu, Jian Lu, Dong Miao, Qiong Ma, Tian Zhang, Hao Zhang   +7 more
doaj   +1 more source

Joule Heating in the Northern Hemisphere During Geomagnetic Storms Driven by High‐Speed Streams and Coronal Mass Ejections

Journal of Geophysical Research: Space Physics, Volume 131, Issue 4, April 2026.
Abstract We present a robust method for estimating the auroral Joule heating in the northern hemisphere by combining SuperMAG, SuperDARN and AMPERE data products. This method is applied to 292 storms during 2010–2023. Temporal evolution and spatial distributions of the storm‐time Joule heating are studied using a superposed epoch analysis, with the ...
H. Vanhamäki, M. Pedersen, A. Aikio, C. Waters, J. Gjerloev, L. Cai, M. Myllymaa, B. Kunduri, K. Sterne, S. Vines, B. Anderson   +10 more
wiley   +1 more source