Toshiba Expands G9000 Series to Include Up to 750 KVA Models

Toshiba is proud to announce the addition of three new model sizes to their G9000 uninterruptible power systems product line. This second phase of development expands the G9000’s original offering of 80, 100, 160, and 225 KVA systems to include 300, 500, and 750 KVA models as well.

The new G9000 models are designed for stand-alone or parallel use in up to eight-unit configurations, without requiring the use of a special switchgear cabinet. They only require front access for easy installation, operation, and service.

Using Toshiba IGBT technology in the rectifier/converter, DC/DC chopper, and inverter sections, the new models’ double-conversion topology provides an AC/DC/AC efficiency of 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 N+1 parallel systems where loads are typically 30 to 40%.


Ever-increasing energy costs have spotlighted the importance of energy-efficiency. The G9000’s energy-efficient design significantly lowers operational expenses in comparison to what is typically required to operate a UPS. The all-IGBT design eliminates the need for an energy-stealing, front-end harmonic filter and produces less than 3% input current total harmonic distortion. The exceptional dynamic response of the inverter eliminates the need for an output transformer, improving efficiency and reducing weight, noise, and total footprint. The 300, 500, and 750 KVA units offer an input power factor greater than 0.99, a wide input voltage range of 15% to -20%, and an output power factor rated at unity. The G9000 supports 100% unbalanced loads and 100% step-load changes without battery discharge. These large capacity units also come with Toshiba’s industry-leading three-year onsite warranty.

Green (Energy Efficient) Data Centers

Kool Ideas / Latest News

A data center needs multiple technologies and know-how to make it energy efficient. One part of a data center may have low-power servers, while another part may have high-density causing intensified heat. Those two sections require different technologies and operational practices. It is also important to set the right temperature for the whole data center.

We find that professionals involved in data centers are often very technical and motivated to try out new things. After initial experimentation in test labs, it follows that technology innovation can be brought inside data centers and results will be shared in open-source forums. Because power alone occupies one-third of data center operating expenses, and power and space combined take 70 percent of operating expenses, including power to fuel servers and cool them, giants likes Yahoo and Google need to innovate to reduce the power it takes to run their data centers.

Top Trends to Watch for the Data Center

In a recent Gartner presentation on “Infrastructure and Operations: Top 10 Trends to Watch,” Gartner Managing VP Ray Paquet noted the impact of increasing computing density on the data center. One interesting graphic showed that while the installed base of new servers has held fairly steady at 50 billion over the past six years, power and cooling purchases have more than doubled during the same time period. This is quite a testament to the trend toward high density, high use of floor space, and the need for cooling devices to contain the heat and energy usage in the data center.

Gartner’s Top 10 Trends to Watch:

1.    Virtualization Is Just Beginning
2.    Big Data — The Elephant in the Room
3.    Energy Efficiency and Monitoring
4.    Unified Communications — Extended
5.    Staff Retention and Retraining
6.    Social Networks — Ready or Not
7.    Legacy Migrations — Your Users
8.    Compute Density — Scale Vertically
9.    Cloud Computing
10.  Converged Fabrics

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