Wpływ stopnia uszkodzenia wirnika na widmo składowych symetrycznych prądów stojana silników klatkowych niesymetrycznych - część 2

Asymmetry of induction motor, as eccentricity or fracture of bars or end-ring segments of a cage has an effect on harmonic spectrum of stator currents. In this paper I'm going to present comparison of symmetric component harmonic spectrums of induction machines stator currents with harmonic spectrums stator currents. I'm going to answer a question: can I use symmetric component harmonic spectrums of stator currents in diagnostics of induction machines. Calculation was made for nonsymmetrical supply. Dynamical model of this machine calculates harmonics of stator, rotor and stator-rotor inductances accounting for only global saturation of the air-gap region. The model considered various rotational speeds of the rotor.