RT info:eu-repo/semantics/article
T1 Fundamental frequency suppression for the detection of broken bar in induction motors at low slip and frequency
A1 Elvira Ortiz, David Alejandro
A1 Moríñigo Sotelo, Daniel
A1 Zorita Lamadrid, Ángel Luis
A1 Osornio Ríos, Roque A.
A1 Romero Troncoso, René de Jesús
K1 Artificial intelligence
K1 Ingeniería
K1 Electricidad
K1 Induction motor
K1 Current measurement
K1 Fault diagnosis
K1 Condition monitoring
K1 Motor de inducción
K1 Medición de corriente
K1 Diagnóstico erroneo
K1 Monitoreo de condición
K1 3306 Ingeniería y Tecnología Eléctricas
AB Broken rotor bar (BRB) is one of the most common failures in induction motors (IMs) these days; however, its identification is complicated since the frequencies associated with the fault condition appear near the fundamental frequency component (FFC). This situation gets worse when the IM slip or the operation frequency is low. In these circumstances, the common techniques for condition monitoring may experience troubles in the identification of a faulty condition. By suppressing the FFC, the fault detection is enhanced, allowing the identification of BRB even at low slip conditions. The main contribution of this work consists of the development of a preprocessing technique that estimates the FFC from an optimization point of view. This way, it is possible to remove a single frequency component instead of removing a complete frequency band from the current signals of an IM. Experimentation is performed on an IM operating at two different frequencies and at three different load levels. The proposed methodology is compared with two different approaches and the results show that the use of the proposed methodology allows to enhance the performance delivered by the common methodologies for the detection of BRB in steady state.
PB MDPI
YR 2020
FD 2020
LK https://uvadoc.uva.es/handle/10324/59008
UL https://uvadoc.uva.es/handle/10324/59008
LA eng
NO Applied Sciences, 2020, vol. 10, n. 12, 4160
NO Producción Científica
DS UVaDOC
RD 20-may-2024