http___mg-servis.hr_ispitivanja_elektricna-ispitivanja-na-generatorima-i-visokonaposkim-motorima_vrste-ispitivanja__1.xml
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Controls and tests Stator - Measuring of stator winding insulation resistance, total and by phases - Measuring of the stator winding polarization index, total and by phases - Measuring of stator winding leakage currents, total and by phases - Measuring of stator winding electric capacity, total and by phases - Measuring of dielectric losses factor tg δ by phases - Measuring of partial discharges by phases - Testing of stator winding dielectric strength at high voltage, 50 Hz - Control and testing of the stator packet by induction magnetization of 1 T, using thermographic IC-camera imaging - Testing of the inter-winding insulation by low energy surge voltage (nondestructive method) - Evaluation of electric generator and motor operation quality during operation - Recording and the FFT analysis of dissipating magnetic fields of el. generators and motors during operation Rotor - Measuring of rotor winding insulation resistance - Measuring of the rotor winding polarization index - Measuring of rotor winding leakage currents - Measuring of the rotor winding resorption index - Measuring of rotor winding electric capacity - Measuring of rotor winding ohmic resistance, total and by poles - Control of inter-pole connections by measuring the voltage drop at inter-pole connections - Measuring of rotor winding impedance, total and by poles - Testing of the inter-winding insulation by low energy surge voltage (nondestructive method) - Testing of rotor winding dielectric strength - Testing of cage bars - Squirrel-cage motors quality testing
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Vrste ispitivanja - Ispitivanje statorske i rotorske izolacije generatora - Ispitivanje statorskog i rotorskog namota - Ispitivanje štapova kaveznih rotora indukcionom metodom - Kontrola termoinstalacije - Ispitivanje izolacije limova statorskog paketa magnetiziranjem uz termografsko snimanje IC-kamerom - Mjerenje gubitaka u željezu statorskog paketa - Ispitivanje dielektrične čvrstoće namota - Mjerenje parcijalnih izbijanja - Mjerenje kuta gubitaka - Mjerenje rasipnih magnetskih polja na V.N. motorima i generatorima - Mjerenje tvrdoće klinova - Mjerenje napona osovine ili vratila uz FFT analizu