The critical aspects in the design of high-current inductors

Abstract

High-voltage high-current inductors are important components of power-supply systems that are based on capacitor banks with a high energy capacity. The main aspects of designing high-current inductors that were obtained via numerical simulation are presented. A harmonic analysis was performed to take the influence of eddy currents on the inductance value and mechanical stresses into account. It was shown that the choice of materials significantly influences the parameters of the inductor. Calculations of the stray magnetic field in a quasi-toroidal assembly of inductors were performed. It is shown that the leakage magnetic field in the far-field zone is two orders of magnitude lower for an assembly of four inductors than for one inductor.