4Akerlund J. -48V DC Computer Equipment Topology - an Emerging Technology [ C ]. INTELEC 1998.
5John Akerlund, Christer Boije, Daniel Rosin. One Year Operation of a 9 kW HVDC UPS 350V at Gnesta Municipality Data Center [C]. INTELEC 2007.
6Takashi Yamashita,Seiichi Muroyama,Shizuo Furubo,Satoshi Ohtsu. 270 V DC System - A Highly Efficient and Reliable Power Supply System for Both Teleeom and Datacom Systems[C]. INTELEC 1999.
7Naoaki Yamato,Akiyoshi Fukui,Keiichi Hirose. Effect of Breaking High Voltage Direct Currect Circuit on Demonstrative Project on Power Supply Systems by Service Level in Sendal [C]. INTELEC 2007.
8D.Marquet,F.San Miguel,J.-P. Gabillet. New Power Supply Optimised for New Telecom Networks and Services [ C ]. INTELEC 1999.
9J.G. Gonzalez,A.H.Blazquez. New Approach to the rAC Powering Achitecture for Telecom/Datacom Convergence [C]. INTELEC 2000.
10Annabelle Pratt,Pavan Kumar and Tomm V. Aldridge. Evaluation of 400 V DC Distribution in Telco and Data Centers to Improve Energy Effieiency[C]. INTELEC 2007.
