October 2015
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4 Reads
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7 Citations
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Publications (3)
March 2015
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22 Reads
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2 Citations
NTT Technical Review
The high-voltage direct current (HVDC) power supply system is ready to implement and is expected to reduce energy consumption and costs in telecommunication buildings and datacenters. In this article, we explain the implementation status of this system and discuss standardization efforts. We also review the technical requirements and power supply system guidelines that were developed by the NTT Group to further promote HVDC systems. © 2015, Nippon Telegraph and Telephone Corp. All rights reserved.
September 2014
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194 Reads
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16 Citations
Citations (3)
... As can be observed from Fig. 4, the circuit features a few passive components, such as , , and , where and are the LLC series resonant inductor and capacitor, respectively, and is the magnetizing inductor [19,21]. The magnetizing inductance behaves as a shunt inductor [22]. Fig. 5 also displays the circuit switching waveforms. ...
- Citing Conference Paper
October 2015
... -Inrush currents: the power electronic converters are equipped with electromagnetic interference filters. However, the inrush current that passes through these filters will produce voltage fluctuations in the DC bus and ultimately affect the operation of other devices connected to the common DC bus [85]. ...
- Citing Conference Paper
September 2014
... Nippon telegraph and telephone (NTT) is a Japanese telecommunications company headquartered in Tokyo that has carried out substantial research on the distribution of high voltage DC power to telecommunications and data center applications. NTT published an article in 2015 [68] on the implementation of a 100-kW system with a maximum rated voltage of 400 VDC as a distributed voltage to meet the basic requirements of ITU-T L.1201 [69] international standards. ...
- Citing Article
March 2015
NTT Technical Review