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A strategy for interturn short-circuit fault detection in Permanent Magnet Synchronous Machines (PMSM) is presented. Fault detection is performed by a Residual Voltage (RV) obtained from the difference between the midpoint voltages measured on the semi-windings of each stator phase. To evaluate the performance of the proposed strategy a PMSM model with interturn short-circuit fault and partitioned...
A model-based method for interturn short-circuit fault detection and isolation in permanent magnet synchronous machines (PMSMs) is proposed in this paper. The fault detection is realized based on a residual current vector (RCV) generated by the difference between the measured stator currents and the stator currents estimated by a state observer. In order to avoid false alarms due to possible undesired...
In this paper, a signal-based strategy is proposed for interturn short-circuit fault detection and isolation in Permanent Magnet Synchronous Machines (PMSMs). Usually, external disturbances or other faults may produce similar symptoms on signal-based fault detection strategies, thus producing false alarms. To avoid this disadvantages, the proposed strategy is based on measurement of the voltages at...
In this paper, the analysis and validation of a dynamic model for Permanent Magnet Synchronous Machines (PMSMs) with stator faults is presented. A proper dynamic model including stator faults is required in order to propose and validate model-based fault detection strategies. Unlike other models which include a stator fault in one of the phase windings, we propose a 3-phase model for PMSMs that allows...
In this paper, a new strategy for interturn short-circuit fault detection and isolation in Permanent Magnet Synchronous Machines (PMSMs) is proposed. The strategy is based on the measurement of PMSM currents and voltages. The fault detection for any phase of the stator windings is performed from the analysis of a “vector residual” generated by a state observer. Furthermore, the rotor angular speed...
The effects of stator winding interturn short-circuit faults in Permanent Magnet Synchronous Motors (PMSM) are analyzed in this paper. A dynamic model with stator winding interturn faults is evaluated. This model allows to generate the interturn short-circuit through a severity factor vector fault for any phase. Aiming to develop strategies for detection, analysis of the effects of this type of fault...
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