In this paper the impact of control on faulted induction machine behavior is presented. The diagnostic indexes usually used for open-loop operation are no more effective. Simulation and experimental results show that the spectrum of the field current component id in a field-oriented controlled machine has suitable features that can lead to an effective diagnostic procedure for closed loop induction machines. Specifically in case of stator and rotor faults the spectrum components at frequencies respectively -f and 2sf are quite independent of control parameters and dependent on the fault extent.
Closed loop control impact on the diagnosis of induction motors faults / Bellini, A.; Filippetti, F.; Franceschini, G.; Tassoni, C.. - 3:(1999), pp. 1913-1921. (Intervento presentato al convegno 34th IAS Annual Meeting tenutosi a Phoenix, AZ, USA nel 3 October 1999 through 7 October 1999).
Closed loop control impact on the diagnosis of induction motors faults
Franceschini, G.;
1999
Abstract
In this paper the impact of control on faulted induction machine behavior is presented. The diagnostic indexes usually used for open-loop operation are no more effective. Simulation and experimental results show that the spectrum of the field current component id in a field-oriented controlled machine has suitable features that can lead to an effective diagnostic procedure for closed loop induction machines. Specifically in case of stator and rotor faults the spectrum components at frequencies respectively -f and 2sf are quite independent of control parameters and dependent on the fault extent.
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