[EN] Over the years, induction machines (IMs) have become key components in industry applications as mechanical power sources (working as motors) as well as electrical power sources (working as generators). Unexpected ...
Riera-Guasp, Martín; Antonino-Daviu, J.; Capolino, Gérard-André(Institute of Electrical and Electronics Engineers, 2015)
[EN] Recently, research concerning electrical machines and drives condition monitoring and fault diagnosis has experienced extraordinarily dynamic activity. The increasing importance of these energy conversion devices and ...
Villalobos Piña, Francisco Javier; Álvarez Salas, Ricardo(Universitat Politècnica de València, 2015-07-10)
[EN] This work present a group of tools based on the fast Fourier transform (FFT) and Haar, Daubechies and Coiflet discrete wavelet transform (DWT), using the Park's instantaneous space phasor module (ISP) of the three phase ...
[EN] Induction machines (IMs) are a critical component of many industrial processes, and their failure can cause large economic losses. Condition-based maintenance systems (CBMs) that are capable of detecting their failures ...
[EN] Induction machines (IMs) are one of the main sources of mechanical power in many industrial processes, especially squirrel cage IMs (SCIMs), due to their robustness and reliability. Their sudden stoppage due to ...
[EN] The problem of the bar breakage diagnosis in electrical induction cage machines is a matter of increasing concern nowadays, due to the widely spread use of these machines in the industry. The classical approach, focused ...
[EN] AC lines of industrial busbar systems are usually built using conductors with rectangular cross sections, where each phase can have several parallel conductors to carry high currents. The current density in a rectangular ...
[EN] Induction machines (IMs) power most modern industrial processes (induction motors) and generate an increasing portion of our electricity (doubly fed induction generators). A continuous monitoring of the machine's ...
Picazo-Rodenas, María José; Antonino-Daviu, J.; Climente Alarcón, Vicente; Royo, Rafael; Mota-Villar, Ariel(Institute of Electrical and Electronics Engineers, 2015)
[EN] There exists no single quantity able to diagnose all possible failures taking place in induction motors. Currents and vibrations monitoring are rather common in the industry, but each of these quantities alone can ...
[EN] In the field of variable speed electric drives, the predictive method based on virtual voltage vectors has recently appeared. This method allows to reduce the voltage contribution in the x-y subspace, in which no ...
[EN] Fault diagnosis of rotor asymmetries of induction machines (IMs) using the stator current relies on the detection of the characteristic signatures of the fault harmonics in the current spectrum. In some scenarios, ...
Terrón Santiago, Carla(Universitat Politècnica de València, 2022-07-04)
[ES] Las averías inesperadas en las máquinas eléctricas rotativas pueden provocar tiempos de inactividad no programados, que pueden tener como consecuencia grandes pérdidas económicas. Esto aplica a las máquinas eléctricas ...
Puche-Panadero, Rubén; Martinez-Roman, Javier; Sapena-Bano, Angel; Burriel-Valencia, Jordi(Institute of Electrical and Electronics Engineers, 2020-03)
[EN] Fault diagnosis of induction motors through the analysis of the stator current is increasingly being used in maintenance systems, because it is non-invasive and has low requirements of hardware and software. Nevertheless, ...
[EN] The aim of this paper is to present and validate a methodology for diagnosing rotor asymmetries in cage motors, based on the analysis of the stator startup current. The method consists of the extraction of a harmonic ...
Cháfer Ferrando, Benjamín Adán(Universitat Politècnica de València, 2021-03-01)
[ES] Se propone un sistema de monitorización y detección de averías para motores de inducción, no
intrusivo, consistente en el seguimiento de la intensidad del estátor y la velocidad de giro y
basado en Internet of Things ...
Bomabá Ricoso, Eurico(Universitat Politècnica de València, 2015-01-09)
[ES] El objetivo de este trabajo es estudiar el comportamiento de las máquinas de inducción aplicándoles un control escalar, esto es, estudiando los puntos de relación par/velocidad dependiendo de la frecuencia de alimentación. ...
[EN] The work carried out by the authors consists of applying a modern time-frequency decomposition (TFD) tool, the Hilbert-Huang Transform (HHT), to the diagnosis and the evaluation of electromechanical faults in induction ...
[EN] Motor current signature analysis (MCSA) is a fault diagnosis method for induction machines (IMs) that has attracted wide industrial interest in recent years. It is based on the detection of the characteristic fault ...
Sapena-Bano, Angel; Pineda-Sanchez, Manuel; Puche-Panadero, Rubén; Pérez-Cruz, Juan; Roger-Folch, José; Riera-Guasp, Martín; Martinez-Roman, Javier(Institute of Electrical and Electronics Engineers, 2015)
[EN] The diagnosis of induction machines using Fourier transform relies on tracking the frequency signature of each type of fault in the current's spectrum, but this signature depends on the machine's slip and the supply ...
Sapena-Bano, Angel; CHINESTA SORIA, FRANCISCO JOSE; Pineda-Sanchez, Manuel; Aguado-López, Jose Vicente; Borzacchiello, D.; Puche-Panadero, Rubén(Elsevier, 2019-10)
[EN] Most industrial processes are run by induction machines (IMs). Condition monitoring of IM assures their continuity of service, and it may avoid highly costly breakdowns. Among the methods for condition monitoring, ...