вихрові струми 5 eddy currents 4 3D quasi-stationary electromagnetic field 1 analytical method 1 axially symmetric model 1 eddy current 1 eddy current losses 1 electrical losses 1 ferromagnetic conducting medium 1 field penetration 1 finite element method 1 frequency characteristics 1 harmonic balance method 1 inter-turn insulation 1 magnetic force 1 multi-turn coils 1 numerical and analytical methods 1 numerical simulation 1 permanent magnets 1 pulsed electromagnetic field 1 residual stresses 1 solid magnetic core 1 spatial current contour (closed loop) 1 three-dimensional electromagnetic field 1 torque motor 1 аксіально-симетрична модель 1 аналітичний метод 1 багатовиткові котушки 1 втрати на вихрові струми 1 електричні втрати 1