Uninterruptible Power Supplies suit digital broadcast systems.

Press Release Summary:




CleanSource® 65-130 kVA battery-free UPS units incorprate flywheel motor-generator that stores kinetic energy in constantly spinning, low-friction steel disc. Stored energy is converted to electricity that powers critical load during short power fluctuations. During prolonged power outages, UPS transfers to stand-by generator for continuous power. Electronics shield transmitter tubes against faulty power and handle crowbar events.



Original Press Release:



Active Power To Showcase New CleanSource(r) Battery-Free Power Protection Solutions During NAB 2003



Innovative Flywheel Systems Keep On-Air Transmissions Live

Austin, Texas - April 7, 2003 - Active Power (NASDAQ:ACPW), an innovator in battery-free power quality and energy storage solutions and recent winner of Frost & Sullivan's 2003 Product Line Strategy award, will showcase its newest CleanSource(r) flywheel Uninterruptible Power Supplies (UPSs) during NAB in booth number SU6157. These ground-breaking power protection systems deliver the highest level of power availability, conditioning, and harmonics cancellation for sensitive digital broadcast systems. During the show, technical experts from Active Power will be available to discuss broadcasters' specific power requirements and how they can maximize broadcast uptime and transmission reliability.

Making their show debut, Active Power's new 65 to 130kVA CleanSource flywheel-based UPSs protect broadcast networks, transmitters and microwave uplinks from the most common power disturbances that can interrupt broadcasts. These new systems meet the demands of today's broadcast facilities and eliminate the need for bulky, high maintenance battery-based units. "Our battery-free CleanSource systems are giving broadcasters such as ABC News and Telemundo the highest level of power quality and uptime," stated Sriram Sivaram, vice president of marketing for Active Power. "Our newest 65 to 130kVA models are ideal for facilities that require clean power with low maintenance, quite operation and a small footprint."

Combining a rugged steel flywheel with solid-state power electronics, Active Power's CleanSource technology incorporates a proven flywheel motor-generator that stores kinetic energy in its constantly spinning, quiet, low-friction steel disc. Stored energy from the flywheel is instantly converted to electricity that powers the critical load during short power fluctuations. During prolonged power outages, the UPS seamlessly transfers to a stand-by generator for continuous power. In addition, the CleanSource units' advanced power electronics shield transmitter tubes against faulty power and easily handle "crowbar" events - automatically switching to bypass and supplying the desired current for constant and stable operation.

For more information on this latest product offering or to learn more about Active Power's innovative power solutions for the broadcast industry, visit them in booth #SU6157 (upstairs in the south hall) or visit them on the World Wide Web at: www.activepower.com.

About Active Power:
Active Power, Inc. (www.activepower.com) designs, manufactures and markets battery-free power quality products that provide the consistent, reliable electric power required by today's digital economy. An ISO 9001-certified company, Active Power is the first to commercialize a flywheel energy storage system, CleanSource(r), that provides a highly reliable, low-cost and non-toxic replacement for lead-acid batteries used in conventional power quality installations.

Active Power and CleanSource are registered trademarks of Active Power, Inc.

All other trademarks are the properties of their respective companies.

Contact:                         Agency Contact:
Derek Jones P.J. Jennings
Marketing Communications Jennings & Associates
512-744-9210 760-431-7466
djones@activepower.com pj@JandAcommunications.com

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