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Article

On-Line Open-Phase Fault Detection Method for Switched Reluctance Motors with Bus Current Measurement

1
Departamento de Energía, Universidad Autónoma Metropolitana-Azcapotzalco, Ciudad de México 02200, Mexico
2
Instituto de Ingeniería, Universidad Nacional Autónoma de México, Ciudad Universitaria, Coyoacán, Ciudad de México 04510, Mexico
*
Author to whom correspondence should be addressed.
Actuators 2020, 9(4), 117; https://doi.org/10.3390/act9040117
Received: 3 October 2020 / Revised: 30 October 2020 / Accepted: 9 November 2020 / Published: 16 November 2020
(This article belongs to the Section Precision Actuators)
This article introduces an on-line fault diagnosis (FD) system to detect and recognize open-phase faults in switched reluctance motors (SRMs). Both tasks, detection and recognition, are based on functions built with the same information but from different sources. Specifically, these functions are constructed from bus current measurement provided by a sensor and from the estimate of such a current provided by an extended Kalman filter (EKF) that performs the estimation from only rotor angular position measurements. In short, the FD system only requires two measurements for employment: bus current and angular position. In order to show its efficacy, results from numerical simulations (performed in a virtual test bench) are presented. Specifically, these simulations involve the dynamics of the SRM, including the magnetic phenomena caused by the analyzed faults. The motor dynamics were obtained with finite element simulations, which guarantee results close to the actual ones. View Full-Text
Keywords: switched reluctance motor (SRM); fault diagnosis; finite element analysis (FEA) switched reluctance motor (SRM); fault diagnosis; finite element analysis (FEA)
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MDPI and ACS Style

de la Guerra, A.; Jimenez-Mondragon, V.M.; Torres, L.; Escarela-Perez, R.; Olivares-Galvan, J.C. On-Line Open-Phase Fault Detection Method for Switched Reluctance Motors with Bus Current Measurement. Actuators 2020, 9, 117. https://doi.org/10.3390/act9040117

AMA Style

de la Guerra A, Jimenez-Mondragon VM, Torres L, Escarela-Perez R, Olivares-Galvan JC. On-Line Open-Phase Fault Detection Method for Switched Reluctance Motors with Bus Current Measurement. Actuators. 2020; 9(4):117. https://doi.org/10.3390/act9040117

Chicago/Turabian Style

de la Guerra, Alejandra, Victor M. Jimenez-Mondragon, Lizeth Torres, Rafael Escarela-Perez, and Juan C. Olivares-Galvan 2020. "On-Line Open-Phase Fault Detection Method for Switched Reluctance Motors with Bus Current Measurement" Actuators 9, no. 4: 117. https://doi.org/10.3390/act9040117

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