2023. A STUDY OF VOLTAGE SAG IN DISTRIBUTION SYSTEM AND EVALUATION OF THE EFFECT OF WIND FARM EQUIPPED WITH DOUBLY-FED INDUCTION GENERATOR. REVUE ROUMAINE DES SCIENCES TECHNIQUES — SÉRIE ÉLECTROTECHNIQUE ET ÉNERGÉTIQUE. 68, 3 (Oct. 2023), 271–276. DOI:https://doi.org/10.59277/RRST-EE.2023.3.4.