Malfunction Issue of SiC-SIT Based DC Circuit Breaker in 400 V DC Power Distribution Systems for Data Centers

Seiya ABE  Sihun YANG  Masahito SHOYAMA  Tamotsu NINOMIYA  Akira MATSUMOTO  Akiyoshi FUKUI  

Publication
IEICE TRANSACTIONS on Communications   Vol.E95-B   No.6   pp.1990-1996
Publication Date: 2012/06/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Energy in Electronics Communications
Keyword: 
DC power distribution systems,  DC circuit breaker,  SiC-SIT,  malfunction,  

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Summary: 
400 V DC power distribution systems for data centers require a fast response DC circuit breaker is required. The semiconductor DC circuit breaker is an important key technology in DC power distribution systems. This paper considers the malfunction of Silicon Carbide- Static Induction Transistor (SiC-SIT) based DC circuit breakers in 400 V DC power distribution systems for data centers. The malfunction mechanism is explained, and a solution is proposed. Investigations are achieved by MATLAB/Simulink and experimental verification.