Demonstration Project Overview: DC Powering Architecture for Data Centers
This demonstration project focused on DC conversion at the Data Center (or Facility) level. This approach converts the facility's high-voltage AC into high-voltage DC and delivering it to the equipment racks via high-voltage DC buss (the possible DC voltages under consideration range from 350V up to 500V — the current consensus is at 380 VDC). Further voltage conversion/step down can be handled at the rack or equipment level as needed. This approach concentrates the DC conversion into one unit/location for the whole facility, removing the AC to DC conversion function from the equipment.