期刊
IEEE TRANSACTIONS ON MAGNETICS
卷 45, 期 1, 页码 462-466出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMAG.2008.2008527
关键词
Active protection; high-current generator; pulsed-power; semiconducting switch; steerable launcher
The impulsive acceleration of active protection elements such as armor plates or other terminal ballistics interception devices can preferably be realized by single-stage electromagnetic launcher systems using pancake coils. The technology with controlled multipartite coil assemblies represents a new supplementary topic in the entire field of ballistics. However, the essential condition is the availability of modular high-energy-density pulsed-power supply units with low volume and weight. During the last years, modular structured energy packs have been built up at ISL as a basic installation for various applications in the field of pulsed-power electronics; in particular, they are developed to feed active protection launcher systems. Each power supply module comprises one energy storage capacitor, a thyristor stack, a corresponding number of crowbar diodes, and a well-designed coaxial power line serving as a pulse-forming network and current-limiting reactor. To provide high flexibility, these modules can be triggered separately and independently by fiber-optic transmitters with an overall jitter lower than 50 ns. This paper describes the basic design of a 50-kJ energy pack and the further developed setup with a strongly reduced overall height obtained by using a novel multichip thyristor. Additionally, a 2-D steerable launcher system supplied by these modules will be presented.
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