NDLI: Active armor protection-conception and design of steerable launcher systems fed by modular pulsed-power supply units

Content Provider	IEEE Xplore Digital Library
Author	Sterzelmeier, K. Brommer, V. Sinniger, L.
Copyright Year	1965
Abstract	The impulsive acceleration of active protection elements such as armor plates or other terminal ballistics interception devices can be realized by single-stage electromagnetic launcher systems using pancake coils. The technology with controlled multipartite coil assemblies represents a new topic in the field of ballistics with a high growth potential. During 1999 a separate test facility with modular structured energy packs (3/spl times/50 kJ) was built at ISL as a basic installation for testing reinforced or armored coils and multiple-coil systems. Each power supply module comprises one energy storage capacitor, a thyristor stack adapted to maximum charging voltage, a corresponding number of crow-bar diodes and a coaxial power line serving as a pulse forming network and current limiting reactor. To provide high flexibility these modules can be triggered independently by fiber optic transmitters with an overall jitter lower than 50 ns. Three packs are designed for a maximum charging voltage of 10.75 kV. First measurements have shown that peak currents up to 120 kA per module and current slew rates of more than 2.5 kA//spl mu/s can be generated. The paper describes the test facility and the prototype arrangement of a steerable launcher system with two orthogonally assembled pancake coils fed by two modular pulsed power supply units. The selection of the launch direction is defined by a short delay between the trigger pulses, so that the usual propagation delay time implied by inertia is avoided. First investigations and results concerning steerability and electromechanical efficiency are presented.
Sponsorship	IEEE Magnetics Society
Starting Page	238
Ending Page	241
Page Count	4
File Size	163677
File Format	PDF
ISSN	00189464
Volume Number	37
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Protection Pulsed power supplies Coils Test facilities Voltage Propagation delay Acceleration Electromagnetic devices Electromagnetic launching Assembly
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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