Rotor-Bar Breakage Mechanism and Prognosis in an Induction Motor

Climente-Alarcón, Vicente; Antonino-Daviu, José A.; Strangas, Elias G.; Riera-Guasp, M.

doi:10.1109/tie.2014.2336604

Cited by 52 publications

(43 citation statements)

References 29 publications

(67 reference statements)

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“…The evolution of the torque at 1,500 rpm appears to follow the same stages as the LSH-50 component, with a compensation [11] part. Nevertheless, the test was carried out in loaded condition and the temperature of the motor (and the load) was high but different during each case, hence a more detailed analysis would be advisable.…”

Section: Torque Variation During a Bar Breakagementioning

confidence: 76%

“…Once these values stabilize, the constant obtained by (9) can be included in the transition matrix: (11) adding a bias to the newly generated particles towards the expected frequency of the PSH. This value may be stored for the characterization of each particular motor studied.…”

Section: A State Transition Equations Tunningmentioning

confidence: 99%

“…The clearance gained permitted to accommodate two precision-machined eccentric steel sockets, being the outer one at each end of the motor responsible for producing the static eccentricity (30%) and the inner one for the dynamic (50%). In the case of Motor II, however, a rotor bar fault was progressively developed, weakening one bar until the breakage naturally developed [11].…”

Section: Experimental Implementationmentioning

confidence: 99%

“…In addition, such a long direct-on-line startup, as the one required for the acceleration test, subjects the machine to severe electrical and mechanical stress under which incipient faults may become easier to detect and follow its worsening under the novel condition-based maintenance and prognostics and health management (CBM/PHM) approach, as it was achieved in [11] for a bar breakage. Hence, the interest of studying this kind of severe transients for early diagnosis and prognosis purposes.…”

Section: Introductionmentioning

confidence: 99%

“…In this sense, a softer version of the Memory-based PF is implemented [18]. Secondly, a prediction stage as in [11] is incorporated in order to estimate, beyond a certain time after the connection instant, the probable position of the trailed harmonic in the time-frequency diagram. In this manner, the second and third steps of the PF algorithm are switched off once the probable evolution has been identified, and only intermittently activated again in order to provide some corrections.…”

Section: Introductionmentioning

confidence: 99%

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Automation of the startup transient analysis of induction motors using a predictive stage

Climente-Alarcón

Arkkio

Antonino-Daviu

2015

2015 IEEE 13th International Conference on Industrial Informatics (INDIN)

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This paper proposes a new method to study the time-frequency diagrams used to diagnose induction motors. The complex pattern of evolving harmonics and interferences obtained from the analysis of the stator current during a highinertia direct-on-line startup, such as the one needed for an acceleration test, is analyzed by a non-Markovian Particle Filtering state estimation approach. The introduction of a biasing in the system equations, based on the regularity with respect to previous states, and a prediction stage yields an automation procedure that, with reduced computational needs, allows collecting the most important information present in the diagram for diagnosis purposes: the energy content of significant rotor related harmonics during the transient, as well as the torque developed by the machine. An initial validation of the approach is carried out for two types of motors under different fault conditions.

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Section: Torque Variation During a Bar Breakagementioning

confidence: 76%

Section: A State Transition Equations Tunningmentioning

confidence: 99%

Section: Experimental Implementationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations