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Hybrid SiC Power Modules Enable High-Capacity UPS

Fuji Electric Corp. of America announced the launch of the new High Capacity Uninterruptible Power Supply System in the US market. The 7400WX-T3U is designed for data centers in all industries, and is available now for shipment.

Fuji Electric has developed the high-capacity 7400WX-T3U for very large, hyperscale and enterprise critical power applications. It is available in a myriad of sizes up to 1000kVA, is parallelable up to 8MVA, and has the highest efficiency rating in the industry in its size range. It features a modular design with true inter-module and system-wide redundancy, adding to its reliability and making it ultra flexible to suit every critical system design.

The unit is equipped with Fuji Electric's proprietary technology such as their hybrid-SiC power semiconductors and Reverse-Blocking IGBT (RB-IGBT), proven to add not only efficiency but durability. Its flat efficiency curve peaks at 97.2%, and its unique Module Control Management System allows paralleling between not only UPS inverter sections but those in paralleled units as well.

Fuji Electric Hybrid SiC modules consist of a SiC based SBD (Schottky Barrier Diode) and Si based IGBT. With a capacity line-up ranging from 600V to 3300V, this series contributes to energy saving and miniaturization in various types of industrial equipment. Features of these modules include:

  • Configured with a "6th-Generation V Series IGBT + SiC-SBD" high-performance, low-loss chip-set
  • Contributes to energy savings in power conversion equipment by significantly reducing losses
  • Capable of high-frequency operation allowing for reduced magnetic filter size
  • Available in a full line-up covering 600V, 1200V, 1700V, and 3300V ranges
  • Compatible with previous Si-IGBT modules and packages

UPS systems are less efficient at low loads. But this product's optimum load operation mode automatically determines the load factor of each UPS unit and adjusts the power supply. This contributes to improving overall system efficiency.

Other features of the 7400WX-T3U like its information-packed touch screen and versatile monitoring capability provide optimum visibility to end users.

"The new 7400WX-T3U is the most recent product that continues Fuji Electric's decades-long tradition in the development of groundbreaking innovations in UPS design", states Erik Monisera, UPS National Sales Manager. "A UPS should be efficient, easily maintained, flexible in design and above all reliable, and this new model has it all. The engineers at Fuji Electric have changed to the game once again."