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This paper describes the fuse-blowing characteristics for higher-voltage direct current (HVDC) power feeding systems. We developed a new fuse model, and evaluated the fuse-blowing characteristics and the effect of cable length. From the results, the electrical stability of HVDC power feeding system when a shorting accident or an overcurrent occurs is discussed.
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 rectifier, power distribution cabinet (PDC), batteries, and ICT equipment, and the configuration is similar to a -48-V DC power feeding system. The power feeding voltage is about 400 V. We developed a prototype of an HVDC power...
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