NDLI: Analysis of Electric Parameters of a PPS System and Their Influence on Muzzle Velocity in EMG

Content Provider	IEEE Xplore Digital Library
Author	Yongxia Han Fuchang Lin Ling Dai Lin Zou Lei Wang Gang Liu Luhai Bo
Copyright Year	2008
Description	Author affiliation: Huazhong Univ. of Sci. & Technol. (HUST), Wuhan (Yongxia Han; Fuchang Lin; Ling Dai; Lin Zou; Lei Wang; Gang Liu; Luhai Bo)
Abstract	A 500 kJ compact pulsed power supply (PPS) system used for electromagnetic railgun (EMG) system has been developed to investigate the influence of electric parameters on muzzle velocity in the paper, from which the stability and reliability of the PPS system can be evaluated. The pulsed power supply system consists of ten modules, and each module is composed of a high energy density capacitor, a triggered vacuum switch, a pulse shaping inductor, a dump resistor and a crowbar. Influence of different parameters on the velocity was analyzed by ATP simulations in this paper. The parameters include capacitance, equivalent series resistance (ESR) of the capacitor, inductance, natural electric parameter and jitter time of the TVS. The ESR and natural electric parameters are critical influencing factors by comparing the simulation and experimental results. In the end, muzzle velocity deduced by the current, which is obtained from a new model of actual circuit, is about twenty percent lower than that in ideal condition. It is pointed out that the velocity error is mostly caused by ESR and natural electric parameter.
Starting Page	1
Ending Page	5
File Size	419624
Page Count	5
File Format	PDF
ISBN	9781424418329
DOI	10.1109/ELT.2008.112
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-06-10
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Inductance Capacitors Jitter Capacitance Railguns Integrated circuit modeling Delay
Content Type	Text
Resource Type	Article

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