Tesla coil theoretical model and experimental verification

Janis Voitkans, Arnis Voitkans


Abstract – In this paper a theoretical model of a Tesla coil operation is proposed. Tesla coil is described as a long line with distributed parameters in a single-wired format, where the line voltage is measured against electrically neutral space. It is shown that equivalent two-wired scheme can be found for a single-wired scheme and already known long line theory can be applied to a Tesla coil. Formulas for calculation of voltage in a Tesla coil by coordinate and calculation of resonance frequencies are proposed.

Experimental measurements show good compliance with proposed theory.


Tesla coil; single-wire scheme; long line; resonance frequencies


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Developed by Institute of Industrial Electronics and Electrical Engineering of RIGA TECHNICAL UNIVERSITY