Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Shungo Zen"'
Publikováno v:
Journal of Vacuum Science & Technology A. 40(no. 6)
The effects of addition of ozone (O3) and humidity on oxygen (O2) bubbles during hydrogen peroxide (H2O2) generation by AC plasmas in the bubbles were investigated. The best H2O2 generation characteristics, with a generation rate and an efficiency of
Autor:
Wataru Ohnishi, Yuki Inada, Shungo Zen, Reon Sasaki, Yasuhiro Takada, Yuta Miyaoka, Kosuke Tsukamoto, Yasushi Yamano
Publikováno v:
IEEE Transactions on Power Delivery.
Publikováno v:
Japanese Journal of Applied Physics. 62:SL1006
As a plasma-based method, diaphragm discharge plasma, an underwater discharge, exhibits a relatively high production rate and efficiency of hydrogen peroxide (H2O2). This study aimed to characterize the energetic state of plasma and the H2O2 producti
Prototype Current-Limiting Hybrid DC Circuit Breaker Incorporating a Fuse and a Semiconductor Device
Autor:
Wataru Ohnishi, Naoki Takayasu, Yusuke Fukai, Yasushi Yamano, Yuki Inada, Shungo Zen, Mitsuaki Maeyama
Publikováno v:
IEEE Transactions on Power Delivery. 36:2231-2233
Owing to the increased demand for DC interruption, a prototype current-limiting hybrid DC circuit breaker incorporating a fuse and a semiconductor device was developed, based on a completely novel design concept. Recently, hybrid DC breakers have bee
Publikováno v:
IEEE Transactions on Components, Packaging and Manufacturing Technology. 10(No. 7):1138-1147
Hybrid dc switches have better performance with regard to energy conservation and less arc erosion than conventional semiconductor switches and mechanical switches. A novel hybrid dc switch based on a SiC-MOSFET is developed, and it accomplishes arc-
Publikováno v:
IEEJ Transactions on Electrical and Electronic Engineering. 15:671-675
Publikováno v:
IEEJ Transactions on Electrical and Electronic Engineering. 17(No. 6)
Publikováno v:
IEEE Transactions on Components, Packaging and Manufacturing Technology. 9:1029-1037
Hybrid dc switches have become increasingly prominent due to their low ON-state energy loss and less arc erosion in comparison with conventional semiconductor and mechanical switches. Zero-voltage switching (ZVS) is a common method for realizing a hy
Publikováno v:
IEEE Transactions on Components, Packaging and Manufacturing Technology. 9:1068-1074
Contact erosion and dielectric strength reduction due to arc discharge are critical problems, particularly for dc switches and circuit breakers. Long-duration arcs not only cause serious contact erosion but also reduce the dielectric strength of the
Publikováno v:
Plasma Chemistry and Plasma Processing. 39(No. 5):1203-1210
The synthesis of Mg3N2, a new safe ammonia carrier, by the nitridation of MgO using a simple plasma process is proposed and demonstrated. Recently, ammonia has been considered a promising energy storage material because of its high hydrogen storage d