Md Rifat Kaisar Rachi Email mrachi@ncsu.edu Publications Y10.Poster.DC Circuit Breakers ICDCM 2017: Z-Source Circuit Breaker Utilizing Ultra-Fast Mechanical Switch for High Efficiency DC Circuit Protection 2017 ECCE: Optimization of a Z-Source, Ultra-Fast Mechanically Switched, High Efficiency DC Circuit Breaker Ultra-Fast Speed DC Circuit Protection for Renewable Energy Distribution Systems Projects Y10. Hybrid DC Circuit Breaker