Low Voltage Solutions

Integrating seamlessly into existing data center infrastructure, VEIR’s SL Series low voltage (LV) superconducting power delivery solution is designed to distribute power to and within data centers.

VEIR SL-DC Conductor Assembly

All SL series conductor assemblies consist of cable cores with a triaxial design that support various neutral and ground options.

The vacuum-insulated cryostat maintains the cryogenic environment for the superconducting core
by limiting heat ingress. The core is designed for bi-directional flow of LIN so that cryogenic piping and controls are only required on one end of the system, allowing for streamlined terminations at the load in space-constrained white spaces. The unique layering of the high temperature superconducting (HTS) tape, dielectric and stabilizer layers balance current sharing, AC losses and mechanical flexibility.

VEIR SL-DC Conductor Assembly

The SL-DC conductor assembly has the same triaxial design as the SL-AC cables with some modifications to the dielectric layers to support 800 VDC operation.

In addition, since AC losses are no longer a consideration, the SL-DC cable variants support higher currents and longer distances than their AC equivalents. Both unipolar (+800 VDC, 0 VDC) and bipolar (+/-400 VDC) configurations are offered. Up to 2 unipolar circuits are possible in a 4-inch diameter cable, each one carrying up to 5 MW of power at 800 VDC.

About VEIR

Dense clusters with advanced interconnects and liquid cooling drive higher power demand

Large-scale training and inference clusters rely on dense systems, advanced interconnects, and liquid cooling, collectively driving a step change in electrical demand.

Rack power levels that historically ranged from 10 – 30 kW are now moving toward hundreds of kilowatts, with projections extending toward megawatt-class racks within the next few years. In order to support this dramatic increase in rack power density, data center architectures are slowly migrating away from the traditional AC power distribution to the rack to DC connected solutions.

The SL-AC is designed to provide low-loss, high density power distribution for the current AC architectures and the latest sidecar designs which are starting to be deployed.   As the industry transitions to more DC-centric implementations, the SL-DC will enable architectural freedoms which are not possible with conventional solutions.  Both solve the real power density, overhead congestion, distance limitation and sustainability challenges that AI data center developers are faced with today.    

Solutions

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