The mutual influence of exciting and induced currents in the circular solenoid – massive conductor system




circular solenoid, massive conductor, inductor system, eddy currents, inductance


Problem. The flow of currents in the conductive elements of electrical systems is accompanied by the excitation of electromagnetic fields and the occurrence of induced currents. The excitation of the induced signals, in turn, leads to a change in the parameters of the actual exciting currents. The purpose of the work is to obtain analytical expressions for the quantitative analysis of the results of the mutual influence of the exciting and induced currents and to calculate their ratio depending on the geometric characteristics of the inductor systems. Methodology. The analysis of the processes of mutual influence is carried out on the example of a widespread inductor system, where a flat circular solenoid is placed above the surface of a massive conductor. Analytical expressions for eddy currents excited in a massive conductor and numerical estimates of the effect of induced currents on exciting currents in a solenoid are obtained. Results. It is shown that the influence of the induced current on the current in the solenoid is very significant at small distances between the solenoid and the surface of the massive solenoid. It has been found that an increase in the width of the solenoid winding leads to a significant increase in the influence of the induced current on the excitation current in the solenoid. It is shown that the inductance of the «circular solenoid - massive conductor» system drops with a decrease in the distance between the solenoid and the massive conductor and an increase in the radial dimensions of the solenoid, which requires an increase in the amplitude of the exciting current to maintain a given value of the magnetic flux in the system. Originality. The scientific novelty of this work lies in the proposal of an analytical approach and obtaining numerical estimates of the mutual influence of conductors with exciting and induced currents. Practical value. Estimates of the mutual influence of conductors with currents are of interest for the practice of designing structures of electrical systems for various purposes. Very promising in the direction further research is seen as carrying out experiments with measurements of the quantitative characteristics of the mutual influence of exciting and induced currents in various designs of electrical systems.

Author Biographies

Yu. V. Batygin, Kharkiv National Automobile and Highway University

Doctor of Technical Science, Professor

O. F. Yeryomina, Kharkiv National Automobile and Highway University

PhD, Assistant Professor

S. O. Shinderuk, Kharkiv National Automobile and Highway University

PhD, Assistant Professor

E. O. Chaplygin, Kharkiv National Automobile and Highway University

PhD, Assistant Professor


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How to Cite

Batygin, Y. V., Yeryomina, O. F., Shinderuk, S. O., & Chaplygin, E. O. (2023). The mutual influence of exciting and induced currents in the circular solenoid – massive conductor system. Electrical Engineering & Electromechanics, (6), 67–71.



Engineering Electrophysics. High Electric and Magnetic Field Engineering