380 Vdc Architectures for the Modern Data Center
This paper presents an overview of the case for the application of 380 Vdc as a vehicle for optimization and simplification of the critical electrical system in the modern data center.
View DetailsSpecifically, the Standard defines a nominal 380 Vdc-PDS infrastructure that interconnects sources of power to devices in the data/telecom center that draw the power. Provide for the use of safe power levels, as defined by the 2011 NFPA® National Electric Code® (see Related Documents Section 2.).
Using 380 Vdc reduces the normal operating current by a factor of 7 compared to 48 Vdc – so reducing copper use per kW of load – and greatly increases the flexibility of site designs, with batteries no longer required to be close to the power converters, and the load able to be located 100s of meters away from the power system.
Typical 380 Vdc UPS system configurations are based directly on existing telecom 48 Vdc concepts, which have been applied for decades in highly reliable applications. The following diagrams illustrate how these Topology Classes can be realized with 380 Vdc based power distribution.
Eltek's 380 Vdc systems provide operators with the ability to solve the combined challenges of ever greater power density, varying load types, and increased site flexibility without compromising on performance, cost, or serviceability.
This paper presents an overview of the case for the application of 380 Vdc as a vehicle for optimization and simplification of the critical electrical system in the modern data center.
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Eltek''s 380 Vdc systems provide operators with the ability to solve the combined challenges of ever greater power density, varying load types, and increased site flexibility without compromising on
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