- 标题
- 摘要
- 关键词
- 实验方案
- 产品
-
A Compact Series-Connected SiC MOSFETs Module and Its Application in High Voltage Nanosecond Pulse Generator
摘要： Nanosecond pulse discharge plasma has many prospects in industrial applications, and high voltage repetitive nanosecond pulse generators with compact design and light weight have become one of the key issues limiting its development in some applications. This paper presents a high voltage series-connected SiC MOSFETs module which can be served as the main switch in a repetitive high voltage nanosecond pulse generator. This kind of series-connected MOSFETs module with only single external gate driver requiring very few components is very suitable for compact assembly. By analyzing the working principle, three topologies of series-connected MOSFETs module are proposed. The switching behaviors of the three different topologies with four SiC MOSFETs series-connected are compared experimentally. The variation of switching characteristics of series-connection SiC MOSFETs module with different numbers of devices are investigated. The layout is also optimized to shorten pulse front time and improve output pulse quality. Furthermore, a 10 kV SiC MOSFETs module with a turn-on transition time ~10 ns is developed. The double pulse test result demonstrates excellent switching performances. Finally, a compact and high voltage pulse generator composed of three 10 kV SiC MOSFETs module is tailored, with a typical rise time ~40 ns and peak voltage of ~30 kV.
关键词： high voltage nanosecond pulse generator,series-connection,SiC MOSFET
更新于2025-09-23 15:22:29
-
[IEEE 2017 14th IEEE India Council International Conference (INDICON) - Roorkee (2017.12.15-2017.12.17)] 2017 14th IEEE India Council International Conference (INDICON) - Series and hybrid connection of sediment microbial fuel cell for powering Led
摘要： Sediment microbial fuel cell (SMFC) is a bio-electrochemical device which generates green electricity from microbes. SMFC are projected to be employed as a sustainable power source for lighting and remote environmental observing. To understand the performance of SMFC, experiment performs for one month. Single SMFC has low voltage and current level which is unable to drive electronic devices. To increase power generation from SMFC, eight individual SMFC are connected together either in series or in hybrid connection. Two combinations of this SMFC, hybrid connection, are proving to be the more effective one, step-up both the voltage and current level, mutually. Polarization curve and behavior of voltage generation experiments are done for series and hybrid connected SMFC. The power density is obtained 1.111mW/m2 at 435.25μA from series and 1.309mW/m2 at 870.75μA in hybrid connected SMFC. This study suggests that maximized the power production of SMFC by connecting series and hybrid for practical use of the device.
关键词： SMFC,open circuit voltage(OCV),current,hybrid connection,series connection
更新于2025-09-19 17:15:36