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Vibration signature analysis for monitoring …

Purpose – The purpose of this paper is to present a diagnosis technique, for rotor broken bar in double cage induction motor, based on advanced use of wavelet transform analysis.

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Analysis of a Three-Phase Induction Motor with a Double…

This paper presents the performance analysis of a three-phase squirrel cage induction motor (SCIM) with a double–triple-layer (DTL) stator winding configuration operating with broken rotor bar (BRB) faults. The effects of BRB faults on the performance of specific parameters are analyzed under a steady-state regime. The SCIM is modeled using the two …

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A Double-Branch Improved Residual Shrinkage Network for …

The broken rotor bar (BRB) fault is one of the typical faults of induction motors (IMs). The accurate fault diagnosis of BRB can effectively reduce economic losses and enhance the stability of the system. Aiming at the problems of limited data collection and the difficulty in estimating the severity of faults, a double-branch improved residual shrinkage network (DB-IRSN) for BRBs in …

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Double Squirrel Cage Induction Motors: a New …

Detect Rotor Bar Failures A. O. Di Tommaso106, R. Miceli106, C. Spataro106 The purpose of this paper is to present a diagnosis technique, for rotor broken bar in double cage induction motor, based on a combined use of frequency sliding and wavelet transform analysis, to isolate the contribution of the rotor fault compo-

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Rotor current in inner and outer bar of double …

Originality/value – The paper presents a diagnosis technique for rotor broken bar in double cage induction motor base on advanced use of wavelet transform which allows the extraction of the most ...

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A Double-Branch Improved Residual Shrinkage Network for …

Abstract: The broken rotor bar (BRB) fault is one of the typical faults of induction motors (IMs). The accurate fault diagnosis of BRB can effectively reduce economic losses and enhance the …

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Closed Loop Bandwidth Impact on MVSA for Rotor …

Abstract—This paper investigates the detectability of rotor broken bars in indirect rotor flux oriented control (IRFOC) for variable speed double cage induction motor drives, using vibration …

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Vibration signature analysis for rotor broken bar diagnosis in double …

The developed approach has provided a satisfactory level of accuracy, indicating a promising performances for the 1818 4th International Conference on Power Engineering, Energy and Electrical Drives detection of incipient rotor broken bars (cracked or broken bars in the outer rotor cage, …). 0.05 Istanbul, Turkey, 13-17 May 2013 Quantifying ...

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Vibration signature analysis for monitoring rotor broken bar in double

– The purpose of this paper is to present a diagnosis technique, for rotor broken bar in double cage induction motor, based on advanced use of wavelet transform analysis. The proposed technique is experimentally validated., – The proposed approach is based on a combined use of frequency sliding and wavelet transform analysis, to isolate ...

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Detection of broken outer cage bars for double cage …

Secondly, broken rotor bars at nonadjacent positions [23] and broken bars of the outer cage in double-cage motors [24] or broken bars while the motor is at low load operation [25] are some of the ...

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A reliable indicator to detect non-adjacent broken rotor …

This paper presents a new approach for broken rotor bars detection in induction motors. When broken rotor bar occurs, the rotor resistance will increase. Furthermore, thermal effects of rotor resistance are considered to address practical aspects. ...

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Investigation of motor current signature and vibration analysis …

This paper investigates the detectability of rotor broken bars in double cage induction motors using current signature and vibration analysis techniques. Double cage induction motors are commonly ...

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Photograph of a 300kW, 1000V double cage induction motor rotor …

Originality/value – The paper presents a diagnosis technique for rotor broken bar in double cage induction motor base on advanced use of wavelet transform which allows the extraction of the most ...

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Design and verification of a novel double rotor without stator …

The double rotor wind turbine generation system is mainly composed of 1-wind wheel, 2-speed increasing gearbox, 3-double rotor machine (DRM), 4-electrically excited synchronous generator (EESG), 5-back-to-back PWM converter, 6-AVR, 7-main switch and 8-transformer. The double rotor machine is composed of an outer rotor with a permanent magnet …

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(PDF) Analysis of a Three-Phase Induction Motor with a Double…

This paper presents the performance analysis of a three-phase squirrel cage induction motor (SCIM) with a double–triple-layer (DTL) stator winding configuration operating with broken rotor bar ...

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" Study of Double Cage Induction Motors with Different Rotor …

Evaluation of the Detectability of Broken Rotor Bars for Double Squirrel Cage Rotor Induction Motors. Jan 2010; 2493-2500; J Park; B Kim; J Yang; S B Lee; E J Wiedenbrug; M Teska; S Han;

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DBF-CNN: A Double-Branch Fusion Residual CNN for

Effective diagnosis of broken rotor bars (BRBs) is crucial for the safe operation of induction motors (IMs). The broken rotor bar feature component is small in amplitude and close in frequency to ...

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Evaluation of the detectability of broken rotor bars for double

Fig. 7. Rotor test samples: (a) original Al die cast single cage rotor (sample 1); (b) fabricated Cu bar double cage rotor with common end ring (sample 2); (c) fabricated Cu bar double cage rotor with separate end ring (Cu inner bar & brass outer bar, sample 3) - "Evaluation of the detectability of broken rotor bars for double squirrel cage rotor induction motors"

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Rotor broken bar fault diagnosis for induction motors …

1320 Huang et al. / J Zhejiang Univ Sci A 2007 8(8):1320-1329 Rotor broken bar fault diagnosis for induction motors based on double PQ transformation* HUANG Jin, YANG Jia-qiang†‡, NIU Fa-liang (School of Electrical Engineering, Zhejiang University, Hangzhou 310027, China) †E-mail: yjq1998@163 Received Jan. 10, 2007; revision accepted Apr. 19, 2007

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Evaluation of the detectability of broken rotor …

investigate broken b ar detection for double cage rotor s [9]-[10], [13]. In [9]-[10], it is sho wn that there are significant inter-bar . currents in double cage induction moto rs with broken ...

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Investigation of motor current signature and vibration …

This paper investigates the detectability of rotor broken bars in double cage induction motors using current signature and vibration analysis techniques. Double cage induction motors are commonly used for applications where successive loaded starts-up are mandatory. Experimental results were performed under healthy and faulty cases, and for different load conditions using …

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Vibration signature analysis for rotor broken bar diagnosis in double …

The paper investigates the diagnosis of rotor broken bars in field oriented controlled (FOC) double cage induction motor drives, using current and vibration signature analysis techniques. The Impact of the closed loop control system cannot be neglected when the detection of asymmetries in the machine are based on the signature analysis of electrical variables. The proposed …

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[PDF] Fault Identification of Broken Rotor Bars in Induction …

The improved CMS method provides better fault detectability results by analyzing vertical vibration signatures of a healthy motor, and damaged motors with 1 BRB and 2 BRBs under 0%, 20%, 40%, 60%, and 80% load conditions. Induction motors (IMs) play an essential role in the field of various industrial applications. Long-time service and tough working …

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Closed Loop Bandwidth Impact on MVSA for Rotor …

rotor broken bars in indirect rotor flux oriented control (IRFOC) for variable speed double cage induction motor drives, using vibration signature analysis techniques. The Impact of the closed loop control system cannot be neglected when the detection of rotor asymmetries in the machine is based on the signature analysis of electrical or mechanical

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Electrical circuit representation of double squirrel cage rotor

Originality/value – The paper presents a diagnosis technique for rotor broken bar in double cage induction motor base on advanced use of wavelet transform which allows the extraction of the most ...

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DBF-CNN: A Double-Branch Fusion Residual CNN for

Effective diagnosis of broken rotor bars (BRBs) is crucial for the safe operation of induction motors (IMs). The BRB feature component is small in amplitude and close in …

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Analytical modeling of double cage rotor induction motors …

This paper presents an analytical method for the calculation of magnetic field distribution, electromagnetic performances and equivalent circuit parameters of multiphase double cage rotor induction motors in healthy and broken bars condition. The proposed static model takes into account stator and rotor slotting and stator and rotor tooth-tips. A 2D exact complex analytical …

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Quantitative rotor broken bar evaluation in double …

Originality/value – The paper presents a diagnosis technique for rotor broken bar in double cage induction motor base on advanced use of wavelet transform which allows the extraction of the most ...

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Perrelet Double Rotor Titanium

Watch is, of course, a pocket watch with reserve of 8 days, and according to legend the first was broken because of the lack of a stop mechanism. From that moment on Perrelet is part of history. ... The result is of course much lower prices on the gray market and generally undisputed success only of the models with double rotor or turbine. If ...

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Quantitative rotor broken bar evaluation in double squirrel …

In this paper we will study the problem of broken rotor bars. The paper investigates the diagnosis of rotor broken bars in field oriented controlled (FOC) double cage induction motor drives, …