Behavior of azimuthal currents induced in the projectile of the linear induction launcher [LIL]

X. N. Lu, E. Levi, Zivan Zabar, L. Birenbaum

Research output: Contribution to journalArticle

Abstract

The performance of a two-section three-phase capacitor-driven linear induction launcher (LIL) is analyzed by means of a computer simulation code which is based on the transient behavior of a lumped circuit model representing the gun. The reliability of the code was tested previously by comparison with experimental work, as was reported earlier. Initially, to design this launcher, to select dimensions and to do preliminary calculations of performance, simple steady state sinusoidal operation was assumed. (This is similar to startup of a classical induction motor, in which the mechanical time constants are much longer than the electrical ones.) However, when the dimensions were entered into the code, the code-predicted performance differed from the results obtained using the simplistic model. This paper explains that the reasons for most of the departures from the sinusoidal steady-state can be understood by taking into account four hurdles that prevent its attainment: (1) single phasing, (2) frequency mixing, (3) damping, and (4) sectionalization.

Original languageEnglish (US)
Pages (from-to)696-700
Number of pages5
JournalIEEE Transactions on Magnetics
Volume29
Issue number1
DOIs
StatePublished - 1993

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Induced currents
Projectiles
Induction motors
Capacitors
Damping
Networks (circuits)
Computer simulation

ASJC Scopus subject areas

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

Cite this

Behavior of azimuthal currents induced in the projectile of the linear induction launcher [LIL]. / Lu, X. N.; Levi, E.; Zabar, Zivan; Birenbaum, L.

In: IEEE Transactions on Magnetics, Vol. 29, No. 1, 1993, p. 696-700.

Research output: Contribution to journalArticle

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