Modeling of an Electromagnetic Cannon using ATP-EMTP and ATPDraw

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Published: Oct 13, 2025
Updated: 2025-10-13
Versions:
2025-10-13 (5)
DOI: https://doi.org/10.17163/ings.n34.2025.08
Keywords:
Electromagnetic cannon, Circular coils, Armature, Eletromagnetic Transient Program, ATPDraw

Main Article Content

José Manuel Aller
Universidad Politécnica Salesiana
https://orcid.org/0000-0002-4704-1067
Juan José Cordero Cantos
Universidad Politécnica Salesiana
https://orcid.org/0009-0004-7300-8481
Pedro José León Rojas
Universidad Politécnica Salesiana
https://orcid.org/0009-0009-9831-7084
Jhonny Rengifo
Universidad Técnica Federico Santa María
https://orcid.org/0000-0003-3187-3253

Abstract

This study presents a computational model of an electromagnetic cannon developed using the ATP/EMTP simulation tool and its graphical interface, ATPDraw. The system features a cylindrical metallic armature that traverses multiple stages of circular coils. Employing the Voltage Behind Reactance (VBR) methodology, each coil is modeled as a dynamic equivalent circuit comprising a resistance, an inductance, and an electromotive force source. The model parameters are dynamically updated at each simulation time step based on the armature’s motion. The coils are energized by pre-charged capacitors and connected through thyristors, which are triggered at specific positions of the moving armature. The model’s validity is corroborated by experimental data reported in the literature, confirming the accuracy and robustness of the proposed approach. In addition to supporting the design of electromagnetic cannons, this work provides a methodological foundation for future research and practical applications in this domain.

Article Details

Issue
No. 34 (2025): july-december
Section
Scientific Paper
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