defect 5 дефект 5 539.4 4 defects 4 дефекти 4 621.315.2 3 enameled wire 3 539.61 2 620.179.141 2 620191.33 2 621.319 2 UDC 621.313.322-82 2 UDC 669.017.3 2 carbide phase 2 coercive force 2 cyclic loading 2 degradation of structure 2 diffusion 2 eddy current 2 electrical equipment 2 healing of defects 2 hydrogenerator 2 image 2 mechanical stresses 2 metal defects 2 optical-mathematical method 2 poliimid insulation 2 rotor 2 sensor of the flaw detector 2 shafting 2