Results 21 to 30 of about 1,830 (229)

MODELING OF HIGH-SPEED FLYWHEEL DESIGNS FOR TECHNOLOGICAL EQUIPMENT

open access: yesTechnologia i Automatyzacja Montażu, 2021
The article analyzes the design of mechanical energy drives and their use areas. Based on the analysis, the kinetic energy drive designis based on the composite material's flywheel, capable of working with a high frequency of rotation.
Ivan Dehtiarov   +4 more
doaj   +1 more source

Mechanical energy storage by means of flywheels

open access: yes, 2023
Mechanical accumulation of energy is important part of the balancing grid and accumu-lation of energy in flywheels is one of the most advanced methods of mechanical accu-mulation.
Drtil, Lukáš
core   +1 more source

A Comparative Future Levelized Cost of Storage of Static Electrochemical and Mechanical Energy Storage Technologies in 1-MW Energy and Power Applications

open access: yesChemical Engineering Transactions, 2022
Different energy storage technologies have particular applications with advantageous techno-economic characteristics. For this reason, the present and future Levelised Costs Of Storage (LCOS) of commercially mature energy storage technologies have been ...
Michael T. Castro   +2 more
doaj   +1 more source

Flywheel Vibration Isolation of Satellite Structure by Applying Structural Plates with Elastic Boundary Instead of Restrained Boundary

open access: yesApplied Sciences, 2023
Flywheels play a critical role as core components in satellite attitude control systems. However, their high-speed rotation inevitably generates vibrations that have a detrimental impact on the in-orbit imaging capabilities of high-precision remote ...
Xiangsen Kong   +4 more
doaj   +1 more source

Reinforced composite flywheels and shafts [PDF]

open access: yes, 1992
The maximum safe operating speed or flywheels and shafts made of low tensile strength material is often determined by the speed at which radial tensile stress exceeds a radial tensile stress limit for the material. Circumferentially wound fiber composite
Walls, W. Alan   +4 more
core   +1 more source

Posibilities of electric power storage from renewable sources [PDF]

open access: yesActa Montanistica Slovaca, 2010
This paper presents an overview of all currently commercially available options of energy storage in the power distributionnetwork. The paper puts forward arguments for energy storage in the distribution network as well as requirements that must be metby
Petr Bača
doaj  

Sensorless control of PMSM for DC micro-grid flywheel energy storage based on EKF

open access: yesThe Journal of Engineering, 2019
As a new type of energy storage system, the flywheel energy storage system has been playing an important role in the field of DC micro-grid. Permanent magnet synchronous motor (PMSM) is widely used in flywheel energy storage system. In this study, the 2D
Dan Zhang, Jian Guo Jiang
doaj   +1 more source

Control Strategies for Highly Gyroscopic Outer Rotors with Diametral Enlargement in Active Magnetic Bearings

open access: yesActuators, 2022
Flywheels are used for peak shaving or load smoothing to generate a higher efficiency and a more stable power supply. Therefore, this paper investigates highly integrated outer rotor flywheels levitated by active magnetic bearings (AMB).
Timo Hopf   +3 more
doaj   +1 more source

Integration and Optimization of Multisource Electric Vehicles: A Critical Review of Hybrid Energy Systems, Topologies, and Control Algorithms

open access: yesEnergies
Electric vehicles (EVs) are pivotal in addressing the escalating environmental crisis. While EV drivetrains excel compared to those of vehicles with internal combustion engines (ICEs), their energy storage systems are hampered by limited range, lifespan,
Nikolaos Fesakis   +4 more
doaj   +1 more source

Flywheel Energy Storage for Automotive Applications

open access: yesEnergies, 2015
A review of flywheel energy storage technology was made, with a special focus on the progress in automotive applications. We found that there are at least 26 university research groups and 27 companies contributing to flywheel technology development ...
Magnus Hedlund   +4 more
doaj   +1 more source

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