Friday, September 19, 2014

Toshiba 1,000 kVA Model G9000 Series Uninterruptible Power System Earns ENERGY STAR Rating

The latest model of Toshiba’s G9000 Series of uninterruptible power systems (UPS), the 1,000 kVA G9000, has received the ENERGY STARTM qualification backed by Environmental Protection Agency (EPA). The complete G9000 Series product line, from 100 kVA to 1,000 kVA, now exceeds the required 94% efficiency rating defined by the specification framework.

ENERGY STAR is a federal initiative created by the EPA and the U.S. Department of Energy to help consumers to identify quality products that meet strict energy-saving guidelines, as well as to protect the environment through energy-efficient products and practices. The entire G9000 Series product line was recognized as meeting the stringent standards set by the EPA for ENERGY STAR compliance.

The Toshiba G9000 UPS is purpose-built from the ground up to allow for flexible, custom installations for data centers, co-locations, call centers, and financial institutions. Using Toshiba IGBT technology in the
rectifier/converter, DC/DC chopper, and inverter sections, G9000’s double-conversion topology provides an AC/DC/AC efficiency of up to 97% at loads from 50% to 100%. Even at 20% loading, the efficiency remains greater than 95%. This industry-leading performance makes the G9000 the perfect solution for redundant parallel systems where loads are typically 25 to 40%. This energy-efficient design of the G9000 significantly lowers operational expenses to operate a UPS, in comparison to traditional requirements. The efficiency testing involved rating the 1000 kVA G9000 Series not only by its maximum achievable efficiency, but by a weighted average of its efficiency across its entire load range.

“The Toshiba G9000 UPS has become the industry benchmark for efficiency and reliability among data center uninterruptible power systems,” said Erik Monisera, G9000 Series product manager. “We were certain that the 1000 kVA unit would satisfy Energy Star’s stringent efficiency requirements given the proven performance of the existing models, which it in fact exceeded by 1.9% over the required 94%.”

The all-IGBT design of the G9000 Series also eliminates the need for a front-end harmonic filter and produces less than 3% input current total harmonic distortion. The exceptional dynamic response of its inverter eliminates the need for an output transformer, improving efficiency and reducing weight, noise, and total footprint. They feature an input power factor greater than 0.99, a wide input voltage range of 15% to -20%, and an output power factor rated at .9 (100-225 kVA) or unity (300-1000 kVA). The G9000 supports 100% unbalanced loads and 100% step-load changes without battery discharge, and is equipped to support monitoring adapters utilizing SNMP, MODBUS, and other protocols. These large capacity units also come with Toshiba's industry-leading three-year onsite warranty.

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