Eng. Ileana – Anamaria MITRAN, PhD Student, Lecturer Eng. Mihaita LINCA, PhD
Rezumat
In acesta lucrare este prezentata analiza energetica a unui sistem de actionare cu motor asincron cu considerarea
piederilor in fier. S-a considerat cazul in care motorul asincron este alimentat de la un sistem trifazat sinusoidal si simetric de
tensiuni. Rezultatele obtinute corespund mai multor puncte statice de functionare, pentru diferite frecvente si valori ale
cuplului static. In vederea obtinerii inductivitatii de magnetizare si rezistentei echivalente, s-a folosit un algoritm care
presupune un calcul iterativ al acestor parametri.
Cuvinte cheie: analiza energeticaindicatori de calitatesistem de actionaremotor asincronpierderi în fier
Abstract
This paper presents the energetic analysis of an induction motor drive system considering the iron losses. The
induction motor was powered by a symmetrical, sinusoidal three-phase voltage system. The results are obtained for several
static operating points corresponding to different frequency and torque values. In order to obtain the magnetizing
inductance and resistance an iterative computation algorithm was proposed.
Keywords: energetic analysisquality indicatorsdrive systeminduction motoriron losses
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