Activepower is the leader in innovative energy storage and Power quality solutions. The CleanSource Flywheel Energy Storage System is the ideal alternative to replace or complement conventional lead acid batteries in UPS systems due to its reliability, small footprint, and low maintenance. Sold and supported by leading Uninterruptible Power Supply Manufacturers to enable a battery-free UPS solution, or extend battery life and add redundancy to any UPS configuration. Available also in a fully integrated, battery-free Uninterruptible Power Supply (UPS) from Caterpillar, Inc.

Active Power continues to unleash innovative technologies that meet the demand for high-growth, emerging markets. As a leading innovator and manufacturer of battery-free solutions, the company is proud to have 30 issued patents in the United States.

CleanSource® UPS Uninterruptible Power Supply features advanced power conditioning and flywheel energy storage that provides complete power protection from the smallest power disturbances to the longest of prolonged outages. Integrated with the flywheel technology, CleanSource® UPS provides state of the art electric power conditioning features including voltage regulation and harmonics cancellation. When coupled with a standby generator, the CleanSource® UPS creates a complete continuous power system that will protect against extended power outages and rolling blackouts. (...) More

CleanSource®, is a 14" high, 32" in diameter integrated flywheel motor-generator that stores kinetic energy in its constantly spinning, quiet, low friction, 600 pound steel disc. It can generate up to 250kW per flywheel and can be paralleled for higher back-up power requirements...

...Stored energy from the flywheel is instantly converted to electricity and powers the critical load during utility disturbances or until a standby generator takes over. The flywheel stores energy as angular momentum in a single piece forged 4340 steel rotor rotating in a rough vacuum. The same stator and rotor structure perform all the motor, generator and storage functions. There are no permanent magnets, nor are there coils on the rotor. No brushes are employed. A magnetic bearing that is integral with the motor/generator field coil structure supports most of the rotor weight. This enables the mechanical bearings to be optimally loaded and greatly extends bearing life. The power dense yet simple design provides highly reliable back-up power in a compact efficient package.

Active Power produces a predictable flow of fully tested and qualified systems that are configured to meet individual customer requirements. Superior research, development and assembly facilities enable Active Power to meet aggressive growth targets and assure rapid delivery to end-users. With 30 registered US patents, Active Power is dedicated to unleashing new technologies and innovations for the power quality market.

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