Ashrae Journal - December 2008 - (Page 72) New Product Preview Advertising Section APC Symmetra® PX 250/500kW Three-Phase UPS APC’s modular power solutions are ideal for growth oriented high density and higher power installations key to maximizing virtualization efforts in the data center. The APC Symmetra® PX 250/500kW Three-Phase uninterruptible power supply (UPS) system offers ultra-high efficiency, nearly silent operation and N+1 redundancy and is the world’s first truly modular UPS system that easily scales in 25kW increments up to 500kW. Features The APC Symmetra PX 250/500kW offers 25kW ultra-high efficiency double conversion online inverter power modules, extended life hot-swap batteries, a large touch-screen graphical user interface, and a side-mounted maintenance bypass panel with subfeed distribution. The APC Symmetra PX offers maximum data center configuration flexibility, allowing the unit to easily fit in the same row as IT equipment, or against a wall to save floor space. Capable of being paralleled up to 2 MW, the Symmetra PX250/500kW is the ideal platform for business critical applications running in today’s medium to large data centers. Benefits This new solution offers a truly modular, scalable system consisting of dedicated and redundant modules – power, intelligence, battery and communications – all engineered into a design that makes installation, future expansion and serviceability easy and efficient. That same architecture eliminates waste and lowers overall total cost of ownership by giving IT and facility managers the ability to right-size power and runtime as demand grows or as higher levels of availability dictate. APC’s highly manageable Symmetra PX 250/500kW also features automated predictive diagnostic capabilities, increased overload capacity, and on-the-fly firmware upgrades, which result in a highly redundant, efficient and simplified UPS architecture. These features and others help increase overall data center reliability by mitigating the risk of human error, a leading cause of data center downtime. Design Flexibility APC’s Symmetra PX 250/500kW UPS offers the design and installation flexibility that consulting engineers, facilities managers and data center professionals all seek to address their individually unique operating requirements. With the increased agility provided through optimized cooling and airflow paths, the Symmetra PX 250/500kW can be installed in a raised floor environment, dedicated UPS room, mechanical service area, or practically anywhere space is available. With no rear access required for installation, service, or cooling, the UPS now becomes one of the most flexible subsystems in a high availability data center construction project. Design innovations, such as remote battery support and omni-direc- tional maintenance bypass orientation allow for some of the most innovative design approaches for deployment of such a high performance product. Efficiency APC’s Symmetra PX 250/500kW UPS enters the market with a business value proposition fully supportive of today’s need for the absolute highest efficiency. The patented Symmetra 3 level inverter design enables double-conversion online operation at an unrivaled 96 percent efficiency, when loads are as low as 40 percent. This boosts the Data Center Infrastructure Efficiency (DCIE) or Power Usage Effectiveness (PUE) without requiring extraordinary efforts to provide supplemental cooling for the critical power system – a key design strategy for 2N deployments requiring the highest DCIE/PUE attainment. Availability Combining the industry’s highest online operating efficiency with a scalability factor of 25kW provides a right-sized data center with a predictable growth process. As high-availability requires zero down-time or bypass operation, the Symmetra PX250/500 can increase capacity, redundancy, or runtime to match the desired level of performance without any availability compromises. The award -winning InfraStruXure® architecture is thoroughly implemented in the Symmetra PX 250/500KW design, with the proven DNA of our industry changing approach – now capable of uptime assurance in the 500kW datacenter environment. Lifecycle Cost Optimization Electrical efficiency, right sizing, and reduced heat rejection are prime examples of ownership cost optimization – now add extended life batteries, projected at 5-8 years, and one less cost to program into the datacenters ownership bill has been achieved. Reduced maintenance for an extended runtime solution, and online removal and replacement of the battery, Inverter, and intelligence module subsystems translates to no loss of revenue generation in the commercial data center. 72 ASHRAE Journal ashrae.org December 2008 http://www.ashrae.org
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