TRANSACTIONS OF THE KRYLOV STATE RESEARCH CENTRE

Science journal

 
ISSN (print) 2542-2324 /(online) 2618-8244


Articles of The Transactions of KSRC








Exact and approximate expressions for mutual inductance coefficients and electrodynamic forces of co-axial turns and planar (disk) coils with current



Full text article ( in russian)

Year

 
2022

Issue

 
400

Volume

 
2

Pages

 
127-132

Caption

 
Exact and approximate expressions for mutual inductance coefficients and electrodynamic forces of co-axial turns and planar (disk) coils with current

Authors

 
Tsitsikyan G.N., Kunaev S.N.

Keywords

 
co-axial coils, mutual inductance coefficients, electrodynamic forces

DOI

 
10.24937/2542-2324-2022-2-400-127-132

Summary

 
Object and purpose of research. The paper is concerned with the mutual inductance coefficients of co-axial circuits in a planar coil system. Known modifications for mutual inductance and electrodynamic forces in a system of co-axial circuits are written, and relations for their calculation are compared.
Subject matter and methods. For this purpose the methods of mathematical physics and theoretic electric engineering are used.
Main results. Alternative expressions are given for mutual inductance coefficients of co-axial coils and electrodynamic forces between the live coils. Curves of mutual inductance are plotted for planar coils with the distance between planes equal to 2 cm and the distance between coil turns Р equal to 1 сm and the distance between coil turns N equal to 0.5 сm, 0.4 сm & 0.3 сm.
Conclusion. Relations have been derived for calculation of mutual inductance coefficients and electrodynamic forces at current passage in planar co-axial coils, which are very important for wireless transfer of power.

Rubrics

 
Ship powering and electric systems

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