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Dynamic Performances of Tubular Linear Induction Motor for Pneumatic Capsule Pipeline System

Authors: Wisuwat Plodpradista

Abstract:

Tubular linear induction motor (TLIM) can be used as a capsule pump in a large pneumatic capsule pipeline (PCP) system. Parametric performance evaluation of the designed 1-meter diameter PCP-TLIM system yields encouraging results for practical implementation. The capsule thrust and speed inside the TLIM pump can be calculated from the combination of the PCP fluid mechanics and the TLIM equations. The TLIM equivalent circuits derived from those of the conventional three-phase induction motor are used as a model to predict the static test results of a small-scale PCP-TLIM system. In this paper, additional dynamic tests are performed on the same small-scale PCP-TLIM system with two capsules of different diameters. The behaviors of the capsule inside the pump are observed and analyzed. The dynamic performances from the dynamic tests are compared with the theoretical predictions based on the TLIM equivalent circuit model.

Keywords: Pneumatic capsule pipeline, Tubular linear induction motor

Digital Object Identifier (DOI): doi.org/10.5281/zenodo.1062928

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[4] W. Plodpradista, "Study of Tubular Linear Induction Motor for Pneumatic Capsule Pipeline System," Ph.D. dissertation, Department of Electrical Engineering, University of Missouri-Columbia, 2002, 202 pages.
[5] W. Plodpradista and R. O-Connell, "Design of a 1-meter tubular linear induction motor for a pneumatic capsule pipeline system," Proc. of the 3rd ISUFT, Bochum, Germany, 2002.
[6] W. Plodpradista, "Small-scale tubular linear induction motor for pneumatic capsule pipeline system," Proc. of the ICEMS 2007, Seoul, Korea, pp. 1528-1532, 2007.