Title :
Approach for highly efficient and ultra compact converters in next generation 380 V DC distribution system
Author_Institution :
R&D Headquarters, NTT Facilities, Inc., Tokyo, Japan
Abstract :
Basic building blocks of power converters have been extracted for next generation 380 V DC distribution system. An approach has been proposed for realizing highly efficient and ultra-compact basic converters as bidirectional AC-DC converters, isolated DC-DC converters and non-isolated DC-DC converters. Based on the proposed approach, over 97 % efficient converters with 10 W/cm3 have been fabricated, taking characteristics of Silicon (Si), Silicon Carbide (SiC) and Gallium Nitride (GaN) power devices into account. Fabricated converters will contribute to realizing future environmentally friendly distribution system.
Keywords :
AC-DC power convertors; DC-DC power convertors; III-V semiconductors; gallium compounds; power distribution; silicon compounds; wide band gap semiconductors; GaN; SiC; bidirectional AC-DC converters; efficiency 97 percent; environment friendly distribution system; gallium nitride power devices; highly efficient converters; isolated DC-DC converters; next generation DC distribution system; non-isolated DC-DC converters; power converters; silicon carbide power devices; ultracompact basic converters; voltage 380 V; Density measurement; Gallium nitride; Next generation networking; Power generation; Power system measurements; Switching frequency; Voltage control;
Conference_Titel :
Energy Conversion Congress and Exposition (ECCE), 2012 IEEE
Conference_Location :
Raleigh, NC
Print_ISBN :
978-1-4673-0802-1
Electronic_ISBN :
978-1-4673-0801-4
DOI :
10.1109/ECCE.2012.6342290
