In recent years, with the rapid popularization of the computer network and the fast
development of data service, the traditional UPS power supply mode reflect more and more …

Two voltage levels of High voltage Direct Current (HVDC) systems in China are discussed in
this paper. Their rated voltage are 240V and 336V (corresponding working voltages are …

In recent years, higher voltage direct current (HVDC) distribution systems have been
developed to reduce power consumption in telecommunication buildings and data centers …

In February 2014, the NTT Group officially announced that it has launched a high voltage
direct current (HVDC)(380-VDC) with a 4-MW-scale power supply system for the Tokyo …

Back in the early days of electricity supply, AC (alternating current) was adopted for power
transmission because it could be stepped up or down as needed by transformers and …

There are lots of issues existed with the Power Supply System in DC Building, and it is
controversial as these issues have not been solved completely. In recent years, worldwide …

We discuss the advantage of highly efficient and reliable higher-voltage direct current
(HVDC) power feeding systems and the standardization activities for the power interface …

Reducing the feeding loss of information and communications technology equipment, such
as servers and routers, is very effective for reducing the total power consumption in data …

A higher voltage direct-current (HVDC) power feeding system for data centers has many
advantages and is presently being studied in many countries. This system is composed of a …

A novel DC high voltage power supply is presented. The device takes 220V AC as input,
through the AC input-rectifier-inverter boost-doubler rectifier to get DC high voltage. The …