UPS usage agreement provides power, cooling


Control Components

Active Power CoolAir UPS provides cool air during discharge. The equipment can be purchased or leased.

Austin, TXActive Power Inc. signed a CoolAir UPS usage plan agreement with Georgia State University (GSU). The usage agreement, in contrast to a standard purchase agreement, eliminates a large upfront capital expenditure and allows GSU to use the CoolAir equipment for a specified period of time for a fixed, predictable annual price that includes extended warranty and maintenance coverage, Active Power says.

GSU had limited space, greater power demands, a need to integrate into the facility’s Network Operations Center, and a cleaner, more reliable alternative to typical battery-based systems. Facing additional constraints from available air conditioning systems, GSU also had to determine how to mitigate increasing heat load in the center. Typical UPS systems introduce additional heat into protected environment. Active Power CoolAir UPS provides cool air during discharge.

“We came into this project with the paradigm that an expensive static UPS solution with batteries was our only option,” said Jerry Allen, manager of the GSU Network Operations Center. Active Power's patented Thermal and Compressed Air Storage (TACAS) technology is included in the CoolAir DC product, uses environmentally-benign thermal energy and compressed air to spin a small expansion turbine and provide 80 kW of backup power for up to 15 minutes.

Active Power says it was the first to commercialize a flywheel energy storage system, CleanSource, which provides a highly reliable, low-cost and non-toxic replacement for lead-acid batteries used in conventional power quality installations.

Click here to read more about the technology from Control Engineering .

—Edited by Mark T. Hoske , Control Engineering editor in chief

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