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DYNA
versão impressa ISSN 0012-7353versão On-line ISSN 2346-2183
Resumo
VILLADA DUQUE, FERNANDO; VELASQUEZ V, RICARDO A. e CADAVID C, DIEGO R.. DESIGN AND CONSTRUCTION OF A DIGITAL PROTOTYPE TO DIAGNOSE FAULTS IN INDUCTION MOTORS. Dyna rev.fac.nac.minas [online]. 2007, vol.74, n.153, pp.215-222. ISSN 0012-7353.
The development of a digital prototype using a digital signal processor (DSP), which can perform two algorithms to diagnose faults in the stator of induction motors is shown in this work. The first algorithm uses artificial neural networks to estimate the negative sequence current, which is used as a fault indicator. The second algorithm uses the negative sequence impedance as a fault indicator. The general structure of the prototype and its implementation are presented in detail. Experimental results by online measurements using a 3 HP induction motor are also included.
Palavras-chave : Digital signal processors; Artificial neural networks; Induction motors; Stator faults; Diagnosis.