saturation 7 насичення current transformer 4 трансформатор струму 4 method 2 метод 2 621.313.33 1 62–83–52 1 Fourier transform 1 accuracy 1 asynchronous traction motor 1 correction 1 digital output 1 digital processing 1 discrete Fourier transform 1 displacement of the current 1 error 1 fault current 1 form Cauchy magnetic circuit 1 induction motor 1 magnetic characteristics 1 mathematical model 1 measurement channel 1 residual induction 1 signa 1 spectral analysis 1 squirrel-cage rotor 1 static characteristics 1 switched reluctance motor 1 the equation of state 1