Results 101 to 110 of about 10,383 (213)

Flywheel Energy Storage for Ancillary Services: A Novel Design and Simulation of a Continuous Frequency Response Service for Energy Limited Assets

open access: yesIEEE Open Access Journal of Power and Energy
With National Grid ESO introducing a suite of new Frequency Response Services for the GB electricity market, there is an opportunity to investigate the ability of low-energy capacity storage systems to participate in the frequency response market.
Andrew J. Hutchinson, Daniel T. Gladwin
doaj   +1 more source

Impact of Storage Technologies upon Power System Losses [PDF]

open access: yesJournal of Electrical and Electronics Engineering, 2015
The paper describes the main characteristics of storage technologies. The most important storage technologies are the batteries, hydrogen, pumped hydro, flywheels, compressed air, super-capacitors and superconducting magnetic devices.
DULAU Lucian Ioan
doaj  

Shape optimization of disc-type flywheels [PDF]

open access: yes, 1976
Techniques were developed for presenting an analytical and graphical means for selecting an optimum flywheel system design, based on system requirements, geometric constraints, and weight limitations.
Nizza, R. S.
core   +1 more source

Improved flywheel materials :

open access: yes, 2013
As alternative energy generating devices (i.e., solar, wind, etc) are added onto the electrical energy grid (AC grid), irregularities in the available electricity due to natural occurrences (i.e., clouds reducing solar input or wind burst increasing wind powered turbines) will be dramatically increased.
Timothy Boyle   +4 more
openaire   +2 more sources

Advanced actuators for the control of large space structures [PDF]

open access: yes
The objective of this research was to develop advanced six-degree-of-freedom actuators employing magnetic suspensions suitable for the control of structural vibrations in large space structures.
Downer, James   +3 more
core   +1 more source

An Analytical Approximation of the Stress Function for Conical Flywheels

open access: yesApplied Mechanics
The current paper addresses the lack of explicit analytical solutions for stress evaluations in variable-thickness flywheels by proposing an approximate formulation for conical profiles, where thickness varies linearly along the radius.
Miguel Garcia   +3 more
doaj   +1 more source

High speed induction motor and inverter drive for flywheel energy storage [PDF]

open access: yes
The use of flywheels to store energy is a technology which is centuries old. The confluence of several modern technologies has resulted in flywheels becoming a viable solution for the needs of the transportation, electric utility, and aerospace ...
Caprio, M.T.   +5 more
core  

Frame synchronization performance and analysis [PDF]

open access: yes
The analysis used to generate the theoretical models showing the performance of the frame synchronizer is described for various frame lengths and marker lengths at various signal to noise ratios and bit error ...
Aguilera, C. S. R.   +2 more
core   +1 more source

Development of a satellite flywheel family operating on one active axis magnetic bearings [PDF]

open access: yes, 1977
Since the samarium-cobalt magnets were available at industrial level, new possibilities appeared in the area of magnetic bearings with the radial passive centering and axial control of the rotor position.
Poubeau, P. C.
core   +2 more sources

Modelling and Control of an Annular Momentum Control Device [PDF]

open access: yes
The results of a modelling and control study for an advanced momentum storage device supported on magnetic bearings are documented. The control challenge posed by this device lies in its dynamics being such a strong function of flywheel rotational speed.
Downer, James R., Johnson, Bruce G.
core   +1 more source

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