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New Hikari Supercomputer Starts Solar HVDC

Texas Advanced Computing Center (09/14/16) Jorge Salazar

The Hikari computing system at the Texas Advanced Computing Center (TACC) in Austin, TX, is the first supercomputer in the U.S. to use solar and high-voltage direct current (HVDC) for power. Launched by the New Energy and Industrial Technology Development Organization in Japan, NTT FACILITIES, and the University of Texas at Austin, the project aims to demonstrate the potential of HVDC, which allows for ease of connection to renewable energy sources, including solar, wind, and hydrogen fuel cells. During the day, solar panels shading a TACC parking lot provide nearly all of Hikari’s power, up to 208 kilowatts, and at night the microgrid connected to the supercomputer switches back to conventional AC power from the utility grid. The Hikari power feeding system, which is expected to save 15 percent on energy consumption compared to conventional systems, could change how data centers power their systems. The new supercomputer came online in late August, and it consists of 432 Hewlett Packard Enterprise (HPE) Apollo 8000 XL730f servers coupled with HPE DL380 and DL360 nodes interconnected with a first-of-its-kind Mellanox End-to-End EDR InfiniBand system operating at 100 Gbps. More than 10,000 cores from Intel “Haswell” Xeon processors will deliver more than 400 teraflops.

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