Using Flywheels for Energy Storage

ASPES Engineering AG – Graphic comparisons of power, rotor speed, and energy. Bibliography includes English and German titles.
Beacon Power – Makes 2 and 6 kilowatt-hour flywheel (kinetic-electric) energy storage units.
FAQ: Kinetic Energy Storage – ASPES Engineering AG site with technical information and theory on flywheels and design. Photos of failures.
Flywheel energy storage – Wikipedia – article includes equation for kinetic energy
Flywheel Energy Systems, Inc. – Private corporation to "bring flywheel technology to the marketplace" Rotors, testing, and systems.
Flywheel Theory – Basics of flywheel energy storage, with links to many other sites.
Flywheels – Technical paper and information on exotic bearings for flywheels.
Flywheels channel at Power Design 365 – articles, product information and vendors
Motor Generator – Brushless DC Motor – on motor types for high speed flywheel energy storage.
PowerCorp – Markets PowerStore flywheel system.
Regenerative Power and Motion: A Low-Loss Flywheel Battery – technology and applications of stationary model.
RPM’s Flywheel Battery – Flywheel battery described as having near-zero storage (idling) loss, unlimited service life with no maintenance, ultra-high power conversion efficiency.
Tribology Systems, Inc. – Solid-lubricated bearing technology. Operational speeds can range up to 500,000 RPM, with temperatures up to 1000 F. Links to flywheel battery information.
Pentadyne Selected as “Most Promising Company” – at Energy Venture Fair V. Flywheel maker lauded. (November 22, 2004)
Liebert FS Advanced Flywheel Energy Storage System – Emerson Network Power announcement of new product. (October 13, 2004)

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