Design and Power Conditioning for the Coil-Gun

Z. Zabar, Y. Naot, L. Birenbaum, E. Levi, P. N. Joshi

Research output: Contribution to journalArticlepeer-review


This paper describes the power conditioning scheme for a contactless coilgun called the Linear Induction Launcher (LIL) as an open-loop integrated system. The barrel of the LIL consists of a linear array of coils carrying polyphase currents, These create an electromagnetic wave packet which moves with increasing velocity from breech to muzzle, smoothly accelerating a conductive sleeve which carries a set of azimuthal currents sinusoidally distributed along its length, and which encloses the projectile payload. The power conditioner provides high utilization of energy by transferring energy from capacitor to capacitor simultaneously with the projectile movement. A modular construction of the barrel is described together with laboratory results obtained with a breadboard model of the power conditioner circuit.

Original languageEnglish (US)
Pages (from-to)627-631
Number of pages5
JournalIEEE Transactions on Magnetics
Issue number1
StatePublished - Jan 1989

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering


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