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Unbalanced Three-Phase Induction Motors Starting and Arc Welding Machines Short-Circuit Modeling

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3 Author(s)
Marcel Chuma Cerbantes ; Univ. Estadual Paulista - UNESP, Ilha Solteira, Brazil ; Waldemar Pereira Mathias ; Jose Roberto Sanches Mantovani

Three-Phase Induction Motors (TIM) and Arc Welding Machines (AWM) are loads of special behavior widely used in industrial and commercial installations, and therefore may contribute significantly to the deterioration of the quality of energy supplied by utilities. This paper proposes a modeling in constant power of the unbalanced TIM starting using Genetic Algorithm (GA) and AWM short-circuit based on their statics characteristics curves. The proposed models are compared with the conventional models in the literature. The results showed the good performance of the proposed models, allowing a more precise analysis of the real requests of these loads.

Published in:

IEEE Latin America Transactions  (Volume:10 ,  Issue: 6 )