This paper presents an approach to early fault detection for inverter fed induction motor drives. The method relies on a simple algorithm, which analyzes the line current signal acquired upstream from the rectifier-inverter set. The diagnostic system proposed here, introduces an ad hoc index related to the health state of the induction motor. Experimental results, showing the satisfactory performance of this algorithm are provided. In particular, tests for rotor winding fault have been performed.
Innovative approach to early fault detection for induction motors / F. Ponci, L. Cristaldi, M. Faifer, M. Lazzaroni - In: IEEE international symposium on diagnostics for electric machines, power electronics & drives : [SDEMPED 2007] : Cracow, Poland, 6- 8 september 2007 / [a cura di] [s.n.]. - Piscataway : Institute of electrical and electronics engineers, 2007. - ISBN 9781424410620. - pp. 283-288 (( Intervento presentato al 6. convegno IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives tenutosi a Cracovia nel 2007.
Innovative approach to early fault detection for induction motors
M. LazzaroniUltimo
2007
Abstract
This paper presents an approach to early fault detection for inverter fed induction motor drives. The method relies on a simple algorithm, which analyzes the line current signal acquired upstream from the rectifier-inverter set. The diagnostic system proposed here, introduces an ad hoc index related to the health state of the induction motor. Experimental results, showing the satisfactory performance of this algorithm are provided. In particular, tests for rotor winding fault have been performed.
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