Figura R, Szychta E, Szychta L. In-Service Efficiency Estimation with the use Modified Air-Gap Torque Method for Squirrel-Cage Induction Motor. ELEKTRON ELEKTROTECH [Internet]. 2011Oct.21 [cited 2024Nov.21];114(8):51-6. Available from: https://eejournal.ktu.lt/index.php/elt/article/view/696