Modelagem da Partida Desquilibrada de Motores de Indução Trifásicos e do Curto-Circuito de Máquinas de Soldagem a Arco (Unbalanced Three-Phase Induction Motors Starting and Arc Welding Machines Short-Circuit Modeling)

Marcel Chuma Cerbantes (, Waldemar Pereira Mathias (, José Roberto Sanches Mantovani (

Universidade Estadual Paulista
This paper appears in: Revista IEEE América Latina

Publication Date: Dec. 2012
Volume: 10,   Issue: 6 
ISSN: 1548-0992

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.

Index Terms:
TIM, Unbalanced Starting, AWM, Short-Circuit, Constant Power Modeling   

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